Hi,
How then can one upgrade journals to BlueStore when there is more than one
journal on the same disk?
if you're using one SSD for multiple OSDs the disk probably has
several partitions. So you could just zap one partition at a time and
replace the OSD. Or am I misunderstanding the question?
Regards,
Eugen
Zitat von Bastiaan Visser <bvisser@xxxxxxxxxx>:
As long as your fault domain is host (or even rack) you're good,
just take out the entire host and recreate all osd's on it.
----- Original Message -----
From: "Robert Stanford" <rstanford8896@xxxxxxxxx>
To: "ceph-users" <ceph-users@xxxxxxxxxxxxxx>
Sent: Monday, August 6, 2018 8:39:07 PM
Subject: Upgrading journals to BlueStore: a conundrum
According to the instructions to upgrade a journal to BlueStore (
http://docs.ceph.com/docs/master/rados/operations/bluestore-migration/),
the OSD that uses the journal is destroyed and recreated.
I am using SSD journals, and want to use them with BlueStore. Reusing the
SSD requires zapping the disk (ceph-disk zap). But this would take down
all OSDs that use this journal, not just the one-at-a-time that I destroy
and recreate when following the upgrade instructions.
How then can one upgrade journals to BlueStore when there is more than one
journal on the same disk?
R
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