Hello Andrew, Will there be any impact on Toolforge users using scratch?
Martin út 18. 1. 2022 v 18:00 odesílatel Andrew Bogott <[email protected]> napsal: > Since no one expressed concerns about this, I'm going to go ahead and > roll this out tomorrow morning at 16:00 UTC. Here's what to expect: > > 1) If your VM mounts secondary-scratch but doesn't actually use it, > nothing much will happen > 2) If your VM or tool has an open file on that volume when the > switchover happens, it will probably freeze up. I will reboot VMs that > this happens to. > 3) If you had files on the scratch volume before this change, they will > be gone after the change. Precious files will be recoverable after the > fact for a few weeks. > > -Andrew > > > On 1/14/22 2:06 PM, Andrew Bogott wrote: > > Hello, all! > > > > We are in the process of re-engineering and virtualizing[0] the NFS > > service provided to Toolforge and VMs. The transition will be rocky > > and involve some service interruption... I'm still running tests to > > determine exactly host much disruption will be required. > > > > The first volume that I'd like to replace is 'scratch,' typically > > mounted as /mnt/nfs/secondary-scratch. I'm seeking feedback about how > > vital scratch uptime is to your current workflow, and how disruptive > > it would be to lose data there. > > > > If you have a project or tool that uses scratch, please respond with > > your thoughts! My preference would be to wipe out all existing data on > > scratch and also subject users to several unannounced periods of > > downtime, but I also don't want anyone to suffer. If you have > > important/persistent data on that volume then the WMCS team will work > > with you to migrate that data somewhere safer, and if you have an > > important workflow that will break due to Scratch downtime then I'll > > work harder on devising a low-impact roll-out. > > > > Thank you! > > > > -Andrew > > > > [0] https://phabricator.wikimedia.org/T291405 > > > _______________________________________________ > Cloud-announce mailing list -- [email protected] > List information: > https://lists.wikimedia.org/postorius/lists/cloud-announce.lists.wikimedia.org/ > _______________________________________________ > Cloud mailing list -- [email protected] > List information: > https://lists.wikimedia.org/postorius/lists/cloud.lists.wikimedia.org/ >
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