It is not a joke :) First node is upgraded (and converted), my cluster is currently healing its degraded objects On 4/1/20 5:37 PM, Dan van der Ster wrote: > Doh, I hope so! > > On Wed, Apr 1, 2020 at 5:35 PM Marc Roos <M.Roos@xxxxxxxxxxxxxxxxx> wrote: >> >> April fools day!!!!!! :) >> >> >> -----Original Message----- >> Sent: 01 April 2020 17:28 >> To: ceph-users@xxxxxxx >> Subject: [Octopus] Beware the on-disk conversion >> >> Hi, >> >> As the upgrade documentation tells: >>> Note that the first time each OSD starts, it will do a format >>> conversion to improve the accounting for omap data. This may take >> a >>> few minutes to as much as a few hours (for an HDD with lots of omap >>> data). You can disable this automatic conversion with: >> >> What the documentation does not say is that this process takes a lot of >> memory >> >> I am upgrading a rusty cluster from Nautilus, you can check out the ram >> consumption as attachment >> >> First, we have a 3TB osd conversion: it tooks ~15min, and 19GB of memory >> >> Then, we have a larger 6TB osd conversion: it tooks more than 2 hours, >> and 35GB of memory >> >> Finally, you have the largest 10TB osd: only 1H15, but 52GB of memory >> >> >> _______________________________________________ >> ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an >> email to ceph-users-leave@xxxxxxx >> >> _______________________________________________ >> ceph-users mailing list -- ceph-users@xxxxxxx >> To unsubscribe send an email to ceph-users-leave@xxxxxxx _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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