Tuesday, 2011-08-23

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uvirtbotNew bug: #831704 in nova "No validation of arch type on image upload" [Undecided,New] https://launchpad.net/bugs/83170400:31
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eviscaresgood morning06:59
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eviscaresI have some questions regarding swifts operating procedures, does anyone know if containers and the objects they contain are placed on the same nodes?07:07
eviscaresAnd is there any way to find out which nodes an object has been placed on?07:07
mandela123so far,there is not a way to know  which node an object has been placed on07:09
eviscaresgreat… thanks.07:09
redboThey're distributed in a random looking way among drives.  The only way to find out where they're at is to ask the ring.07:09
eviscaresI guess that is what happens if I do a swift download call, right?07:10
redboyeah, that's how the proxy server knows where they are07:10
eviscaresbugger all… I would like to test failure tolerance, but without knowing which nodes to shut down, that would be just guessing and testing07:11
redboif you just want to know where one object is, there's a command "swift-get-nodes [account] [container] [object]"07:12
eviscares ah, thank you. that was what I had been looking for.07:13
eviscaresand it returns an error. do I have to do a -A -K there?07:14
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redbooh I missed an argument, "swift-get-nodes [/etc/swift/object.ring.gz] [account] [container] [object]"07:15
redbofor an object, or "swift-get-nodes /etc/swift/account.ring.gz [account]" to find out where an account lives, etc.07:16
eviscaresHandoffs is what it would move to if other nodes fail, right?07:17
eviscaresthanks a ton07:18
eviscaresHm… funny.. there should be something on a node but there is not.07:20
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eviscaresIs there a page where I can look up the different usergroups like .admin and what their permissions are? Preferably for 1.4. Thanks10:24
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eviscaresOr to rephrase, how do I create new users?11:07
agyeviscares: 'nova-manage' command should let you create users11:11
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eviscaressorry, I was unclear there. I am working on creating a swift cluster.11:12
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eviscaresAnd I must admit, I'm quite as a loss. even though I can create users, unless they are admins, they can't do anything.11:20
viraptoris there some way to create different default quotas without changing the sourcecode?11:22
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viraptorah... I see it now actually, nevermind :)(11:23
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siwoshello all12:32
siwosanybody using SSD with compute nodes?12:32
siwosI came across a paper from dell (Openstack reference architecture)12:32
siwosdell recommends 10k RPM SAS drives for compute12:32
siwosfrom my experience the i/o is the first boundary you hit in the virtualization world12:33
siwoswhich one do you recommend ssd vs SAS?12:33
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reidracI've been very happy with 15k rpm SAS disks, but they're quite expensive12:36
reidracI agree with the io boundary :)12:36
siwosi tested ssd lately12:37
siwosworks better than sas definitely12:37
siwosdone some i/o benchmarks - ssd-s were 2 times faster than 10krpm sas12:38
siwos4 machines running simultaneously on one disk12:38
reidracI don't know if I would take into account Dell's recommendation on hw12:39
reidracif you know what I mean...12:39
siwosthey published their reference arch lately12:39
siwosbased on 610012:39
siwosfor me the nodes are way too huge to run vm-s effectively12:40
siwos16 cores , 96gb of ram per each node - this means potential problems with process scheduling12:40
siwosand i/o12:40
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siwosi'm thinking of running openstack on a bunch of HP 2x220c blades (8cores + ssd)12:42
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smoserok... lets say i did a crazy thing and ran a windows instance on  a public cloud12:57
smosersince this next 1 hour will entail about 50% of my windows usage in the past 10 years, i'm hoping someone here might be able to help me.12:57
smoserhow would I know what filesystem type was a on disk in windows?12:57
smoserie, in linux /proc/partitions or 'file --special-files /dev/XXX' would tell me.12:58
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mahogony@smoser are you currently booted up on the windows disk?12:59
larissamahogony: Error: "smoser" is not a valid command.12:59
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smoseri will be in 10 minutes or so13:00
smoseri'm wanting to know the FS of an ephemeral disk13:00
smoserbut knowing fs of all would be very appreciated13:00
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mahogonyif you have the disk in a mochine that is currently booted up to linux you can use parted or fdisk to scan the drive. it should report back the fs type. OR13:01
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smoserits really going to be in windows with no ooption to boot linux.13:02
mahogonyif booted to the disk right click my computer and select properties -> disk management -> right click boot partitiion and general tab will show fs type13:02
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mahogonyie ntfs, fat32,...13:03
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smosermahogony, thank you.13:06
notmynameeviscares: http://programmerthoughts.com/openstack/swift-permissions/  <--- /very/ basic info on creating users and permissions in swift13:06
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eviscaresnotmyname: thanks13:09
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eviscaresnotmyname: I must admit that I consider the unwieldiness of Swifts User Accounts one of its biggest drawbacks13:12
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redboeviscares: how do you consider them to be unwieldy?13:18
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eviscaresredbo: I find it exceedingly painful to add new users and somehow manage their permissions. Maybe I have not found the part of 1.4's Documentation that explains it, but setting Permissions via Post seems a bit arcane to me.13:21
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notmynameeviscares: what would be better?13:27
eviscaresnotmyname:  I would prefer a config file where I could assign Containers to users with permissions.13:28
reidraceviscares: but the users can create/delete containers at will13:30
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eviscaresreidrac: actually, this doesn't work for me13:30
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eviscaresreidrac:  I created another user after the Admin, and he can't create folders13:31
reidracfolders? but does it have write permissions on the container?13:32
eviscaresI meant containers.13:32
reidracof course it cant13:33
eviscaresIf I have him upload something into a container that didn't exist before, it returns a 401 for Auth get.13:33
eviscaresSo then they can't create/delete at will.13:33
reidracthe point it's that the admin can create containers and assign users an ACL to containers13:33
eviscaresYes, and I consider these ACL unwieldy13:34
reidracdo you want the users to create containers too?13:34
reidracI can't understand, they can create folders inside the container13:34
eviscaresBecause I consider the ACL manipulation via Post very weird13:35
reidracit's like a file system in which the admin controls the root directory, and then creates user directories (containers)13:35
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reidracin our implementation you can create an account, then create a container and enable a user to upload files there (and ONLY there)13:36
reidracthat's an extra access layer, I think is an advantage over other solutions13:36
reidracactually I think is one of the best features of swift13:36
uvirtbotNew bug: #831995 in nova "EC2 API noauth user_id is invalid" [High,New] https://launchpad.net/bugs/83199513:37
eviscaresThen maybe I'm doing something wrong, because this fails me. I did a swift […] post -r 'system:trudat' -w 'system:trudat', and it doesn't work.13:37
reidracsystem is the account, trudat is the user13:38
reidracand you're doing that on an existing container of system account, aren't you?13:38
reidrachave you tried to retrieve the container ACLs to see if the POST worked?13:39
reidracdid work?13:39
reidracif it worked, then you need to check your auth server to see if it's returning the right ACL13:40
eviscareshow would I retrieve the container ACL?13:40
reidracsuch as X-Auth-Groups: system:trudat13:40
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reidraccheck: http://docs.openstack.org/cactus/openstack-object-storage/developer/content/retrieve-container-metadata.html13:41
eviscaresdoes this also apply for 1.4?13:41
reidracit's a HEAD request13:42
reidracI think so13:42
reidracwe're using 1.4.x13:42
reidracif it's a minor version it will be OK13:42
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eviscaresso it would be: "HEAD /1.4.2/system/[Container] http/1.1"?13:43
reidracyou need to include a valid auth token I guess13:44
reidracthe X-Auth-Token header, you know13:44
reidracbut yes... the you should get X-Container-Read and X-Container-Write headers13:45
reidracin the response13:45
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eviscaresI'm sorry, I'm feeling very stupid right now. Would that make it a curl request?13:45
eviscaresI'm really new to this.13:45
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uvirtbotNew bug: #831999 in nova "Instance not found message poorly formatted" [Undecided,New] https://launchpad.net/bugs/83199913:46
uvirtbotNew bug: #832012 in nova "OSAPI list servers causes 'AttributeError: use_ipv6'" [Medium,In progress] https://launchpad.net/bugs/83201213:46
reidracOK, 1st ask for a token to the public auth service: http://docs.openstack.org/cactus/openstack-object-storage/developer/content/authentication.html#d6e22313:46
reidracin that way you get an auth token that needs to be used in any request13:47
reidrac(you're getting the ACL of the container, so use the account admin user)13:47
reidracswift docs are reasonably good, but sometimes it's hard to get the big picture :(13:48
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statikdoes nova networking FlatDHCPMode always require 2 ethernet devices? I'm wondering whether it's possible to set up a test environment at home using some mac minis running ubuntu - they only have a single ethernet port. I'm interested in having multiple physical compute nodes but not too worried about security in this environment13:51
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eviscaresI got that token, but somehow I fail to understand how the request should be phrased13:52
eviscaresThis is all a bit overwhelming.13:52
reidracit's all right13:53
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reidracyou need to add a header to your curl request13:54
reidraccurl -I -H "X-Auth-Token: YOURTOKENHERE" http://yourproxy:port/whatever/system/container13:55
agystatik: 1 ethernet device will work with FlatDHCP for your compute nodes13:56
eviscaresah ok thank you13:56
reidracif I'm not wrong, that's a curl HEAD request using the token in the X-Auth-Token header13:56
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statikagy: thanks!13:56
statiki've been confused by reading about the bridges that are required13:57
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statikagy: does the "compute controller" or device running nova-network require multiple nics?13:58
agystatik: nova-network should work with one interface, but i've not tried it tbh13:59
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statikagy: thanks for suffering my newbie questions - so with a single interface, would I still need to configure a bridge, and then I'm basically just forgoing having a private network and all network traffic from the VMs is on the same net?14:00
eviscaresreidrac: thanks, but this doesn't seem to be working eiher.14:02
reidracwhat's the answer you get?14:02
agystatik: something like that. the nova-* packages are pretty good and will create the bridged interfaces for you. you may need to add an aliased address for your "private" networks14:02
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eviscaresI get nothing. I sent the request and it is taking a long time now.14:03
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eviscares-v shows that the connection gets accepted and that it sends the token.14:05
reidrac1 sec14:06
eviscaressure take your time, I'll go for a smoke.14:09
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reidraceviscares: here you have an example: http://paste.openstack.org/show/2255/14:11
reidracignore the X-Container-Meta-* headers in the HEAD response, that's related to our CDN implementation14:11
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reidrac1. ask the public auth service for a token, 2. go to the proxy with that token and make a HEAD request to the container, 3. profit!14:13
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eviscaresreidrac: the public auth service request is this? curl -k -v -H 'X-Storage-User: system:root' -H 'X-Storage-Pass: testpass' https://[MyProxiesIP]:8080/auth/v1.0?14:23
reidracno sure, are you running an auth service on that IP/port? can you paste the response headers? (add -D -)14:24
reidracI mean, first you should validate your installations: create an account/admin user, get a token, perform a HEAD request in the account, that sort of things ;)14:26
eviscaresYeah, did all that and It worked. Now I get an AUTH_[longthingie] back14:27
reidracthat's your storage token, kewl14:28
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eviscaresok… when I run the second command from the paste, I get a 50314:29
eviscarescurl -k -I -H "X-Auth-Token: AUTH_tk934dbbea9fca4b46a741ae7b45696364" https://[MyProxiesIP]:8080/v1/AUTH_system/timosfiles/14:30
reidracservice unavailable, that may mean your storage node(s) aren't there14:30
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reidraccheck the proxy server logs, you'll find something there14:31
reidracor may be the proxy server failed to contact the private auth service to validate your token14:31
eviscaresProxyserver logs are in /var/log?14:31
reidracdefinitely, you need to check the proxy logs14:31
reidracswift uses syslog, it depends on your conf... but /var/log/syslog it's a safe bet14:32
eviscaresyeah… the connection times out...14:33
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eviscaressomething is rotten in the state of denmark...14:33
reidracwhen speaking with?14:33
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reidracthe private auth service or the storage nodes?14:33
eviscareswhen speaking with the container server on the storage nodes14:33
reidracso you got it :)14:34
reidracnow you know what to fix14:34
eviscaresthanks for walking me through this.14:34
reidracyou're welcome14:34
eviscaresCould this be a problem due to an older python version?14:36
reidrachow old? :D14:37
eviscaresUbuntu 10.10 install14:37
reidracdon't know, I guess other services would fail too... not only the container-server14:37
eviscaresRunning it on freshly installed Ubuntu 10.10 VM's14:38
reidracwhat does python --version say?14:38
reidracprobably not the problem, it should be 2.6.something, and that's OK14:38
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reidracthe same we're running on debian squeeze14:39
reidractry to run the container server by hand an see what's the problem14:39
reidracmay be you missed any dependecy14:39
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eviscaresI guess when swift doesn't show up at all in the syslog it could be bad.14:42
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eviscareswait… I rebooted the nodes and now the HEAD works14:44
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notmynameclayg: abuelo.dfw1.rackspace.corp. 30INA10.7.192.13014:45
ivoksare there any additional docs for D3 or should i just use those for cactus?14:45
reidraceviscares: so you win!14:45
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eviscaresyep thanks to you14:45
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eviscaresI guess I'll tear down the cluster, and start over. Find out what went wrong this time14:47
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annegentleivoks: you can browse at http://docs.openstack.org/trunk for the current (D3) doc14:49
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ivoksannegentle: thanks14:52
eviscaresreidrac: would you be willing to answer some more questions, regarding design decisions and operating procedures of swift?14:53
reidracyou can always ask in the channel, there are some smarts guys here ;)14:54
reidracor send an email to the mailing list for a more elaborated asynchronous question/answer14:54
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eviscaresWhy are names hashed?14:55
reidracs/smart guys/smart people/  (sorry girls)14:55
gnu111my netadmin says vlan tagging is enabled in the switch. how do I make sure packets are going back and forth from my node?14:55
reidraceviscares: names hashed, what do you mean?14:56
eviscaresFrom a failure recovery perspective I would think that it would be easier to hash them for location but then place them under their respective name.14:56
eviscaresreidrac: turned into something cryptic.14:56
notmynamenames are hashed to get good (even) distribution in the cluster14:56
reidraceviscares: speaking of smart people, notmyname knows his stuff14:57
reidrac(and I'm off work in 3 minutes!)14:57
eviscaresThen I'll bug him. Thanks again for the help.14:57
reidraceviscares: you're welcome14:57
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ivoksannegentle: well, not so current :)15:00
ivokshas anyone experienced an issue where all the services are running, but port 8773 isn't open?15:01
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uvirtbotNew bug: #832096 in nova "Instance rebuild fails due to admin_pass AttributeError" [Undecided,In progress] https://launchpad.net/bugs/83209615:41
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undertreeHello, I am trying to figure out why my compute nodes will not assign addresses to the VM's.  I get a NoMoreAddresses error like: http://pastebin.com/C51bZ3J9 but I have not assigned any.  I have a class C available for fixed addresses.  Any ideas on where to look to find the issue?16:06
JoseBravoOpenStack compute uses a SAN/NAS to storage the VM volumes or use the disks of each hardware node?16:07
medberryundertree, I'd look at your database and see what's going on. Did you do a nova-manage create network somewhere along the way?16:08
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DuncanTJoseBravo: Yes.16:08
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DuncanTJoseBravo: It can be set up either way16:08
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JoseBravoDuncanT, thanks16:11
JoseBravoIs OpenStack offering commercial support and training?16:12
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DuncanTJoseBravo: No idea on the support front16:13
reedJoseBravo, google found this for training http://www.rackspace.com/cloudbuilders/openstack/training/16:13
reedJoseBravo, and support is also mentioned on http://www.rackspace.com/cloudbuilders/services/16:14
undertreeJoseBravo, nova-manage network list shows http://pastebin.com/e10HYHsp16:14
reedI think there are also other companies that offer both16:14
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JoseBravoLast question, If I need to deploy a minimal test cloud with OpenStack how many servers I need?16:20
DuncanTJoseBravo: You can run it on as few as one16:20
DuncanTJoseBravo: More realistically, one infrastructure node and a couple of compute hosts might give a more realistic feel for the system16:21
WormManI found seeing the interactions and stuff, 3 is nice(2 compute, 1 for everything else)16:23
JoseBravoinfraestrcuture node is like the "controller" ?16:23
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DuncanTJoseBravo: Yes.16:26
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undertreemedberry, nova-manage network list shows http://pastebin.com/e10HYHsp as the available networks16:50
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uvirtbotNew bug: #832200 in nova "iscsiadm cmd failure" [Undecided,New] https://launchpad.net/bugs/83220017:34
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chriswongso, where do i download the st utility?17:45
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vishychriswong: it was renamed to "swift"18:15
vishysome time ago18:15
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leobhi does anybody have experience with Dashboard integrated with Keystone i.e. using Keystone for authentication?18:18
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gnu111I associated a public ip to my instance. I can only ping and ssh to it from the nova controller. what did I miss?18:51
uvirtbotNew bug: #832259 in nova "os_api authenticate fails for non-unique access_keys" [Undecided,New] https://launchpad.net/bugs/83225918:51
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Gmignu111: check the "euca-describe-group" output and make sure you added rules to allow ssh18:56
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gnu111Gmi: i have icmp  and port 22 allowed for the project. i am not sure if I have the route setup properly.18:59
Gmignu111: you can ssh to the instance from the nova controller and start a tcpdump while you ssh from the other host, at least you'll know if the traffic from outside reaches your instance19:01
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leobanybody here who has experience with Dashboard using Keystone for authorization?19:03
gnu111Gmi: I can't ping outside now. I was able to do that before associating the public ip. tcpdump shows novalocal to the public ip.19:04
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gnu111Gmi: I did this. not sure if this was needed " route add -host <public_ip> gw <eth1_Ip>" eth1 is my --public_interface19:06
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vishygnu111: where are you trying to access it from?19:08
jsavakhi leob - what seems to be the problem?19:10
leobwell i can't login into dashboard even though i'm fairly sure that user/pwd are correct but i'm not sure how to analyze the problem maybe anyone has some useful pointers19:12
leobso in the webserver/dashboard logs i first see auth_api connection created using url "http://localhost:5000/v2.0/"19:13
leobthat is the Nova API endpoint i think so it's not keystone yet, maybe it doesnt even reach keystone19:13
gnu111vishy: I can access it from the controller which runs nova-network. But outside of that machine, i can't access that instance with the public ip.19:13
vishygnu111: is the ip routable on the interface from other machines?19:14
jsavakleob - a couple people had similar problems in the past few days and resolved it by updating nova & keystone from trunk - are you up to date?19:14
leobthen i see a Python stacktrace ending in openstackx/api/connection.py and then the message Unauthorized (HTTP 401), it suppose that's the HTTP response from Nova API19:14
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leobright well that is very useful info, it's exactly what this forum is so useful for19:15
leobi installed from the bazaar/lp repo a few days ago, should i update only dashboard or everything? i.e. just rerun the install from source19:16
leobright, nova and keystone you said19:16
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gnu111vishy: probably not, that's the part I am confused about. is my nova network. I assigned the public ip to
vishywhat is the public ip?19:18
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chrismi've got a bit of a weird one here19:19
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gnu111vishy: i have two nics, flat_interface=eth0 and public_interface=eth1.19:20
chrismpreviously working configuration, fairly standard, 2 compute nodes, 1 controller node (scheduler/api/network).   This was working fine until a reboot happened on the controller this morning.    Now I can ping the fixed_ip of the instances, but I can't SSH to them from outside of the openstack servers19:20
leobi have a very general question about openstack, it's about current or planned features - are "advanced" features in the planning like dynamically moving VM workloads from one physical host to another or would that be thord party stuff built on top of Openstack19:20
chrismit should be noted that if i'm on either of the compute nodes or the controller node, i can ssh to the instances fixed_ip.    Also if i bind a floating IP tot he instance, I can get to that from outside of the openstack cluster just fine19:22
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vishygnu111: and is that 149. an address that if you gave it to the network host on eth1, it would be routable?19:24
vishyleob: right now it is on top, hopefully that stuff moves down into openstack eventually19:25
vishychrism: how were you getting to them before?19:25
leobokay but the architecture would allow it19:25
gnu111vishy: no, eth1 has a different address.19:26
leobjust curious, i'm still noob at all of this19:26
chrismI could route to them from outside of the cluster.  Our office layout has several vlans, and you can route between the vlans fine.19:26
vishygnu111: hmm but if you added it there19:26
vishyis it routable?19:26
gnu111vishy: ip addr show eth1 shows that public ip address. how do I make it routeable? :D19:27
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vishygnu111: is that an ip you own?19:28
vishyis it assigned to you by your isp, etc?19:28
gnu111vishy: yes.19:28
gnu111vishy: yes. i own it and it's free.19:28
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vishygnu111: so if this was another box plugged in to your router, you could give it that ip and it would work?19:29
gnu111gnu11: yes correct.19:29
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gnu111vishy: yes, that is correct19:30
vishyand is that where eth1 is plugged in?19:30
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gnu111vishy: currently ip addr show eth1 showing two addresses. one with /24 and one with /32.19:31
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vishyand those are both public ups?19:33
gnu111vishy: yes!19:33
vishyand where are you trying to ping from?19:33
gnu111vishy: from the nova controller it worked. from the compute nodes and any other machine, it didn't19:34
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vishycan you ping the other ip for the controller from other machines?19:37
gnu111vishy: yes, the main eth1 ip is pingable and that is my --public_interface in nova.conf19:38
vishyand you have set up sec groups to authorize ping from anywhere?19:38
gnu111vishy: yes, euca-describe-group shows FROMCIDR0.0.0.0/019:39
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vishydo you have ip_forward set?19:40
vishycat /proc/sys/net/ipv4/ip_forward19:40
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gnu111vishy: /proc/sys/net/ipv4/ip_forward says 119:41
vishysigh, guess you have to start tcpdumping19:41
vishyfind out what happens to the packet19:41
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vishy* packets19:41
gnu111vishy: I have this in iptables (under nova-network-PREROUTING) DNAT       all  --  anywhere        to:
gnu111and nova-network-OUTPUT DNAT       all  --  anywhere        to:
vishyis the first one actually 17?19:43
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gnu111vishy: yes. sorry. DNAT       all  --  anywhere        to:
vishyif you do it with a -L -n -v, does it show packets hiding that rule?19:43
vishyok this autocorrect is starting to piss me off, time to disable it19:44
gnu111vishy: yes. only 84 byes....19:46
vishyso start off a ping19:46
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vishyand start tcpdumping for icmp traffic19:46
vishysee where it disappears19:46
gnu111vishy: ping from outside?19:47
vishytcpdump -i eth1 icmp19:48
vishyverify it makes it onto the bridge19:48
vishyand onto the compute host19:48
vishykeep dumping interfaces until you see it disappear19:48
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gnu111vishy: when I ping the eth1 address i see stuff in tcpdump but nothing when I ping the other address.19:49
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vishyso it sounds like you have an issue in your router config then19:50
gnu111vishy: when I ping from the controller node. it responds to the ping but nothing on the dump.19:50
vishypackets aren't actually getting to the controller on that ip19:51
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vishyif you fix that part, the rest should work :)19:51
gnu111vishy: ok. is it using the route add to fix this?19:52
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rwsuhi, I have a question on hardware requirements: http://docs.openstack.org/cactus/openstack-compute/admin/content/compute-system-requirements.html19:53
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rwsu2x2TB disks is listed for volume storage, is that the bare minimum, or is there a smaller size one could get by in a dev environment?19:54
annegentlerwsu: absolutely, those are suggestions for deployment19:55
annegentlerwsu: not for a dev enviroment.19:55
vishyrwsu: i test on a dev vm with about 30G disk :)19:55
annegentle"minimum production deployment"19:55
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susanbhi everyone19:56
rwsuI see, what's the size of a vm image?19:57
susanbhave a quick usecase question for swift, can anybody help? TIA19:57
vishyrwsu: depends.  We have a tiny one for testing that is about 25mb19:57
notmynamesusanb: ask away19:57
susanbwe're looking to build a large, distributed video trasncoding solution. Currently the arch is to ship gigantic files back & forth from NAS to transcoders and back again.19:58
susanbarch kinda sucks therefore19:58
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susanbi was curious whether instead of shipping huge mezzanine quality video to/from, we can instead send a VM containing software to where the data lives19:59
susanbis this something nova/swift can help with or is this a bad application?19:59
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notmynamesusanb: a great application, but perhaps not yet. swift and nova don't currently work together to have compute near the storage. several people are working on stuff like this, but it's not done now20:00
notmynamesusanb: but for just the storage, that is a great use case for swift20:00
susanbhmm... ok.20:00
susanbbut what happens when a transcoder attempts to access a media file?20:01
rwsuvishy, annegentle: thanks, that's helpful, trying to size a hardware order20:01
susanbwhatever's local will be local but whatever's remote will be shipped over the LAN?20:01
susanbtransparent to the transcoder?20:01
susanbright now we're severely IO bound from the NAS20:01
notmynamesusanb: right now you'd have to accept the data going over the network between a swift cluster and a nova cluster. a long-term ideal would be to have nova spawn a VM on the same box where the data is living20:02
notmynamesusanb: IO bound by disk or by network?20:02
susanbrather... both!20:02
susanbnetwork we can fix I think (RDMA or Infiniband or smth similar)20:03
susanbdisk IO is more difficult20:03
notmynamesusanb: depending on why you are limited, the swift architecture may be able to allow you to have higher throughput in and out of your storage cluster20:03
susanb(or 10G ethernet even)20:03
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notmynameswift scales horizontally as the cluster grows and is designed to handle many streams at once20:03
susanbbut even the in future, a large file will be spread out throughout the cluster, right?20:04
susanbor does swift have a notion where it "clusters" a given file geograhically closer? pieces closer to each other?20:04
chrismso seeing what vishy was talking abotu earlier, I ran some traces on SSH connections to the instance from my workstation.   I can see the instance respond with the SSH banner, but the responses never make it past the nova-network host20:05
notmynamesusanb: data is spread across the cluster, but each object is stored as one file on disk20:05
chrismany ideas?20:05
susanbwhat if file exceeds the disk space?20:05
notmynamesusanb: the objects are limited* to 5GB (*just a constant in the code). but it's possible to tie many objects together into one logical object20:06
notmynamesusanb: so split your 100GB file into 100 1GB chunks and tie them together into one logical object20:06
susanbwho does the splitting?20:06
susanbswift itself?20:06
notmynamesusanb: the client20:07
notmynamesusanb: (but we provide a smart client that can do it for you)20:07
chrismare there outbound iptables rules that need to be in place for an instance to send a response packet?20:07
notmynamesusanb: more advantages of splitting objects are that you can upload and download the parts concurrently20:08
susanbas long as i dont have to do the splitting myself that's ok i guess20:08
susanbi was thinking of HDFS type setup where HDFS chunks the file by itself20:08
leobsounds like something for hadoop ?20:08
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susanbleob: exactly... that's what i'm more familiar with20:08
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susanbbut will hadoop allow me to send compute to where the data is?20:09
leobthat is the idea of hadoop and hdfs20:09
leobit tries to optimize for data locality20:09
susanbbasically, i'm looking f or a way to avoid footballing 100gb files back & forth20:09
leobfits the bill for you if you ask me20:09
susanbthat's what i'm starting to think also..20:10
leobwell you need to upload your files into hdfs once and download them once processed20:10
leobwhat kind of processing you need to do on the video files?20:11
susanbwe get super HQ quality from studios20:11
susanbProRes 4444  type files20:11
susanband we need to transcode in a large variety20:11
susanbmobile, etc..20:11
susanbstandard HD for consumers..20:12
leobwell yes it sounds like something for hadoop20:12
susanbok.. thank you everybody VERY MUCH.20:13
leoblarge scale parallellizable massive batch file processing that's really the thing for hadoop20:13
chrismanyone in here knowledgable about nova-network?20:16
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* vishy hides.20:21
chrismmind if i bug you for a minute on this routing issue I'm seeing since a reboot this morning of the network controller?20:21
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chrismlong story made super short.    3 servers.   2 compute/volume nodes, 1 network/scheduler/api.  Vlan networking config.  eth1 on all boxes are tied to trunk ports, eth0 are the "public" ips of th emachines.20:23
chrismThis was working fine until a reboot on the controller this morning20:23
vishywhat isn't working anymore20:23
vishycontroller has ip_forward set?20:24
chrismi can ping an instance, and get a response.   When I try to SSH, I can see the packets get to the instance, and the instance reply back with the SSH banner.  The banner makes it to the nova-network controller, but the response packets never make it past there20:24
chrismroot@os-controller:~# cat /proc/sys/net/ipv4/ip_forward20:24
vishyare you pinging over floating ip?20:24
chrismfixed IP20:24
vishyare you running trunk code?20:24
chrismif I tie a floating IP to it, it's fine20:24
chrismnah, not trunk20:25
chrismwhatever ubuntu ships now under stable20:25
vishyso where are you pinging from?20:25
chrismbut yeah, if I assign a floating IP, I can route to that just fine, ssh into the instance, etc20:25
chrismworkstation here at the office20:25
chrismwe have multiple vlans which can route between eachother20:25
vishyand that machine is using the controller as the gateway for the fixed range?20:26
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chrismwell actually tbh i'm not 100% sure20:26
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chrismI believe so, yes.20:27
vishyso it should be ipconntracking the connection on the controller20:28
vishycan you make sure you can ping your workstation from controller20:28
vishymaybe it has no route back20:28
chrismyeah from the controller back is fine20:28
chrismfrom the compute/volume nodes, i can ping/connect back to the workstation fine20:29
vishyon the ip that it is showing the packets coming from?20:29
vishyso probably your traffic is getting snatted to the public ip20:29
chrismI have seen a few odd instances of the public ip fo the controller responding back20:30
vishyand if you have routing rules set up, you don't really want that traffic to be snatted20:30
chrismI should open up the snaplength and see if those are the packets i'm expecting20:30
vishyso there is a flag to skip snatting to range20:30
chrismoh yeah/20:30
chrismer ?20:30
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chrismaah gotcha20:31
vishywhich will tell nova-network not to snat packets to that cidr20:31
chrismI'll give that a shot20:31
vishyyou might try that20:31
vishykill nova network flush tables20:31
vishyand restart20:31
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leobjust installed latest Openstack version using "nova.sh branch/nova.sh install" with USE_GIT=0, but still getting django_openstack.auth:Error authenticating Unauthorized (HTTP 401) when trying to log into Dashboard while i'm sure that user/pwd must be right, does anyone have an idea how i could go about analyzing the problem? look in certain logfiles, try to log details of the service request (keystone?) which dashboard is issuing when20:33
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leobjust looking, i might change something in keystone/etc/logging.cnf to get more detailed logging20:36
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Archeronjust a request for opinions: Is crowbar worth looking into further?20:39
jtannerArcheron, if you are a 100% dell hardware shop, yes20:43
jtannerand 100% ubuntu20:43
chrismvishy: that did it!   For what it's worth, i have zero idea how this was working before the reboot this morning20:44
chrismI've never seen taht dmz_cidr option before20:44
chrismbut thank you very much. :)20:44
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andybHi, need help solving installation problem. See http://paste.openstack.org/show/2261/20:54
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Archeronjtanner, 100% dell... just dell or do I need to be 100% C-series gear as well?20:55
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jtannerArcheron, dunno20:59
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chrismso vishy, that works for about 1 minute and then my connection to the instance locks up. =\21:01
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vishydo you have mega amounts of traffic?21:01
chrismshould I disperse that dmz option to the nova.conf on the compute nodes as well?21:01
chrismnot at all right now21:01
vishyyou might need to update nfconntrack limit21:01
vishychrism: computes shouldn't need it21:01
chrismk, it's the default 65k value now21:02
chrismhr but net.netfilter.nf_conntrack_count is only at 12421:03
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vishychrism: nasty, not sure why it would be blowing up21:04
chrismyeah tbh i'm kind of lost here right now21:04
chrismthis has been fine for like a week until this reboot21:05
chrismmind if I do the generic pasting of configs/iptables rules/routes and see if you can spot something that maybe I'm missing?21:06
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reedchrism, you can use http://paste.openstack.org/21:08
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chrismsure thing21:08
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chrismvishy: http://paste.openstack.org/show/2263/21:11
chrismor whoever wants to take a stab at it21:11
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JoeJulianI'm following the "3.5. Installing OpenStack Compute on Red Hat Enterprise Linux 6" guide for the first time. I'm going to follow the directions for this first test verbatim but I presume this data can be stored in other data stores instead, right?21:22
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uvirtbotNew bug: #832369 in nova "glance/keystone integration" [Undecided,New] https://launchpad.net/bugs/83236921:26
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bszaCan anyone one tell me the swift superadmin account:user under swauth?  tnx22:05
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fcarstenTrying to install Swift 1.4.3 by following http://swift.openstack.org/howto_installmultinode.html . End up with 1.2 being installed :-(. What am I doing wrong?23:11
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JoseBravoI just installed the OpenStack and created an instance, I assgined one IP but I can't ping or ssh it. How can I check what is wrong with it?23:23
JoseBravoI also tried to ping from the controller and it's not respondig..23:23
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kpepple_JoseBravo: a few ideas ...23:26
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kpepple_JoseBravo: look in your /var/log/nova/nova-compute.log and make sure it actually booted23:27
kpepple_JoseBravo: make sure you opened up the correct security group settings if you launched it with euca-tools23:27
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kpepple_JoseBravo: make sure you set up networking with nova-manage23:28
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JoseBravokpepple_, in the log file it appears to start ok, and with euca-describe-instances it show is running23:29
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JoseBravokpepple_, I lanched with euca-tools but I gave SSH and ICMP to the group "default"23:30
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kpepple_JoseBravo: does it have a public, routable IP address ?23:36
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JoseBravokpepple_, yes23:41
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kpepple_JoseBravo: hmmmm ... what do you get with a euca-get-console ?23:50
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JoseBravowget: cant't connect to remote host Network is unreachable23:59
JoseBravokpepple_,  it's the error I'm getting23:59

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