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| openstackgerrit | Mayuri Ganguly proposed openstack/trove: Modifying Vertica clusters to have a master node https://review.openstack.org/204271 | 00:25 |
|---|---|---|
| openstackgerrit | Mayuri Ganguly proposed openstack/trove: Update Management Console user and password https://review.openstack.org/208670 | 00:26 |
| openstackgerrit | Mayuri Ganguly proposed openstack/trove: Modifying Vertica clusters to have a master node https://review.openstack.org/204271 | 00:26 |
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| openstackgerrit | dangming proposed openstack/trove: fix delete bug https://review.openstack.org/249545 | 04:24 |
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| openstackgerrit | dangming proposed openstack/trove: fix delete bug https://review.openstack.org/249545 | 04:27 |
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| fabian1 | Hi,all ,Who can you give me a trove image ? The os is centos | 09:30 |
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| amrith | cp16net, I'll be working over the holiday as well. | 12:52 |
| amrith | you may be interested in what I'm up to (or not, which covers all bases). | 12:52 |
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| openstackgerrit | OpenStack Proposal Bot proposed openstack/trove: Updated from global requirements https://review.openstack.org/245732 | 13:01 |
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| mvandijk_ | can i get some core eyes on https://review.openstack.org/#/c/245980/ ? It has been 3rd party tested and has a couple of +1s | 15:28 |
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| peterstac | mvandijk_, sure | 15:38 |
| pmackinn | pmalik, dougshelley66: ping https://review.openstack.org/#/c/243279/2 | 15:50 |
| pmackinn | still trying to understand the timing of the race condition | 15:50 |
| dougshelley66 | pmackinn on centos/rhel (i assume fedora), the race condition is that systemd will auto-re-mount the volume on volume-attach | 15:54 |
| dougshelley66 | if the task-mgr sends the umount command to the guest ahead of the guest remounting the volume, the umount is a no-op and the volume ends up mountd | 15:55 |
| dougshelley66 | which then causes the next step to fail | 15:55 |
| pmackinn | dougshelley66, right but during a reboot? if not then the issue may be systemd simply perpetually scanning for the .mount unit file | 15:55 |
| dougshelley66 | nothing to do with reboot | 15:56 |
| dougshelley66 | this is on resize-volume | 15:56 |
| dougshelley66 | the addition of the device causes a signal to systemd which finds the previous mount unit file and re-execs it | 15:58 |
| dougshelley66 | i can see all of this in the system log | 15:58 |
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| dougshelley66 | the only way to defeat this behaviour (that i have found) is to remove /dev/vdb from fstab and run "systemctl daemon-reexec" before the volume is re-attached | 16:01 |
| dougshelley66 | then it would have to be put back in fstab - this seems a little heavy | 16:01 |
| pmackinn | btw, systemd is coming to an ubuntu near you :-) | 16:01 |
| dougshelley66 | right | 16:01 |
| pmackinn | but we're already hacking /etc/fstab, no? | 16:01 |
| dougshelley66 | during prepare, we add a line to fstab | 16:02 |
| pmackinn | right but if we make sure the mount unit file is gone as part of the resize...? | 16:04 |
| pmackinn | reexec doesn't sound right | 16:04 |
| dougshelley66 | well daemon-reload may also work | 16:04 |
| dougshelley66 | haven't tried that | 16:04 |
| dougshelley66 | i beleve that as long as the line is in fstab, systemd will regenerate the mount unit file | 16:05 |
| pmackinn | unless noauto (in theory) | 16:05 |
| dougshelley66 | but noauto will mean that it won't attach on boot | 16:06 |
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| dougshelley66 | if we put that in and the instance reboots before we take it out, you would be in a bad state | 16:06 |
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| pmackinn | dougshelley66, "These definitions will be converted into systemd mount units dynamically at boot..." | 16:11 |
| dougshelley66 | correct | 16:12 |
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| dougshelley66 | the issue seems to be that there is no way to distinguish a volume being attached at boot vs not at boot | 16:16 |
| dougshelley66 | that is basically what the trove resize code was relying on | 16:16 |
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| pmackinn | dougshelley66, hmmm, wonder if we systemctl disable/enable var-lib-mysql.mount during the resize | 16:43 |
| dougshelley66 | hmm interesting | 16:45 |
| dougshelley66 | let me try that | 16:46 |
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| cp16net | vkmc peterstac _amrith_ SlickNik edmondk: i'm out today so can someone run the meeting in my absence. thanks. | 17:14 |
| cp16net | dougshelley66: ^^ not sure if many people are around but fyi | 17:15 |
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| peterstac | cp16net, hi | 18:00 |
| peterstac | I don't see anything on the agenda, should we just cancel the meeting this week? | 18:00 |
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| peterstac | I'll start a quick meeting, see if anyone has anything ... | 18:02 |
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| openstackgerrit | Nikhil Manchanda proposed openstack/python-troveclient: Add instance name as parameter to CLI (metadata-*) https://review.openstack.org/175046 | 18:57 |
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| pmackinn | dougshelley66, any joy there? | 21:11 |
| dougshelley66 | joy might be a strong word | 21:12 |
| dougshelley66 | so disable doesn't work but systemctl mask does | 21:12 |
| dougshelley66 | just trying to understand what the implemention of said would look like | 21:13 |
| dougshelley66 | basically we need to do "systemctl mask <mount-point>" after the umount and then systemctl unmask before or after the mount | 21:13 |
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| pmackinn | were you doing a daemon-reload with enable/disable? | 21:21 |
| pmackinn | dougshelley66, just the /dev/null symlink i reckon | 21:23 |
| dougshelley66 | no - disable on a mount unit didn't seem to work | 21:24 |
| dougshelley66 | don't need to do daemon-reload with mask | 21:24 |
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| pmackinn | yeah, was just worried that the unit file was being updated by the fstab generator | 21:29 |
| dougshelley66 | the mask just puts the symlink with dev/null in the /etc/systemd dir which overrides where the generator writes its file | 21:31 |
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| openstackgerrit | Ishita Mandhan proposed openstack/trove-specs: CouchDB database and user functions https://review.openstack.org/250045 | 22:43 |
| openstackgerrit | Ishita Mandhan proposed openstack/trove-specs: CouchDB database and user functions https://review.openstack.org/250045 | 22:46 |
| openstackgerrit | Ishita Mandhan proposed openstack/trove-specs: CouchDB database and user functions https://review.openstack.org/250045 | 22:47 |
| openstackgerrit | Ishita Mandhan proposed openstack/trove: Addition of DB2 backup & restore functionality https://review.openstack.org/246709 | 22:53 |
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| openstackgerrit | Ishita Mandhan proposed openstack/trove-specs: CouchDB database and user functions https://review.openstack.org/250045 | 23:43 |
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