Hi,
I just re-read the docs on rbd migration [1], haven't done that in a
while, and it states the following:
Note that the source image will be moved to the RBD trash to avoid
mistaken usage during the migration process
So it was expected that your source image was in the trash during the
migration, no need to restore. According to your history you also ran
the "execute" command, do you remember if ran successfully as well?
Did you "execute" after the prepare command completed? But you also
state that the target image isn't there anymore, so it's hard to tell
what exactly happened here. I'm not sure how to continue from here,
maybe migrating/re-creating is the only way now.
[1] https://docs.ceph.com/en/quincy/rbd/rbd-live-migration/
Zitat von Rhys Goodwin <rhys.goodwin@xxxxxxxxx>:
Thanks Eugen.
root@hcn03:~# rbd status infra-pool/sophosbuild
2023-10-10T09:44:21.234+0000 7f1675c524c0 -1 librbd::Migration:
open_images: failed to open destination image images/65d188c5f5a34:
(2) No such file or directory
rbd: getting migration status failed: (2) No such file or directory
Watchers: none
I've checked over the other pools again, but they only contain
Openstack images. There are only 42 images in total across all
pools. In fact, the "infra-pool" pool only has 3 images, including
the faulty one. So migrating/re-creating is not a big deal. It's
more just that I'd like to learn more about how to resolve such
issues, if possible.
Good call on the history. I found this smoking gun with: 'history
|grep "rbd migration":
rbd migration prepare infra-pool/sophosbuild images/sophosbuild
rbd migration execute images/sophosbuild
But images/sophosbuild is definitely not there anymore, and not in
the trash. It looks like I was missing the commit.
Kind regards,
Rhys
------- Original Message -------
Eugen Block Wrote:
Hi, there are a couple of things I would check before migrating all
images. What's the current 'rbd status infra-pool/sophosbuild'? You
probably don't have an infinite number of pools so I would also
check if any of the other pools contains an image with the same
name, just in case you wanted to keep its original name and only
change the pool. Even if you don't have the terminal output, maybe
you find some of the commands in the history?
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