[PVE-User] Fwd: [ceph-users] [IMPORTANT NOTICE] Potential data corruption in Pacific

[Aaron Lauterer]

Thank you for bringing this to our attention.

I did a test on a freshly installed PVE 7 + Octopus cluster and there the `bluestore_fsck_quick_fix_on_mount` was set to true... That's why I updated the upgrade guide [0]. Checking the setting before upgrading and if true, setting it to false, should be okay IIUC.

Once we release a version with a fix we will update the guide again to reflect the new situation.

Thanks!
Aaron


[0] https://pve.proxmox.com/wiki/Ceph_Octopus_to_Pacific

On 10/28/21 18:19, Eneko Lacunza wrote:
> Hi,
> 
> Regarding this important issue reported for Ceph (just cross-forwarding for those Ceph users not in ceph-user list):
> 
> 1. Proxmox upgrade wiki page https://pve.proxmox.com/wiki/Ceph_Octopus_to_Pacific marks as optional disabling the conversion with "ceph config set osd bluestore_fsck_quick_fix_on_mount false", and urges to convert ASAP. It is now advised not to perform the conversion until a fix is released.
> 
> 2. We have upgraded 2 clusters, but both have bluestore_fsck_quick_fix_on_mount set to false. No command setting that flag in our server's history, so I don't think we set that (I wasn't the admin performin the upgrade, I'll be able to check with her tomorrow)
> 
> 3. Is it possible that for ceph 16.2.6 bluestore_fsck_quick_fix_on_mount default value is false?
> 
> I expect an emergency fix released soon but I guess checking won't hurt anyone ;)
> 
> Thanks
> Eneko
> 
> 
> 
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