On 4/21/2020 4:59 PM, Stefan Priebe - Profihost AG wrote:
Hi Igor,
Am 21.04.20 um 15:52 schrieb Igor Fedotov:
Hi Stefan,
I think that's the cause:
https://tracker.ceph.com/issues/42928
thanks yes that matches. Is there any way to fix this manually?
I think so - AFAIK missed tags are pure LVM stuff and hence can be set
by regular LVM tools.
ceph-volume does that during OSD provisioning as well. But
unfortunately I haven't dived into this topic deeper yet. So can't
provide you with the details how to fix this step-by-step.
And is this also related to:
https://tracker.ceph.com/issues/44509
Probably unrelated. That's either a different bug or rather some
artifact from RocksDB/BlueFS interaction.
Leaving a request for more info in the ticket...
Greets,
Stefan
On 4/21/2020 4:02 PM, Stefan Priebe - Profihost AG wrote:
Hi there,
i've a bunch of hosts where i migrated HDD only OSDs to hybird ones
using:
sudo -E -u ceph -- bash -c 'ceph-bluestore-tool --path
/var/lib/ceph/osd/ceph-${OSD} bluefs-bdev-new-db --dev-target
/dev/bluefs_db1/db-osd${OSD}'
while this worked fine and each OSD was running fine.
It looses it's block.db symlink after reboot.
If i manually recreate the block.db symlink inside:
/var/lib/ceph/osd/ceph-*
all osds start fine. Can anybody help who creates those symlinks and why
they're not created automatically in case of migrated db?
Greets,
Stefan
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