Hello,
I found some oddity when attempting to copy an rbd image in my pool
(using bobtail 0.56.4), please see this :
I have a built working RBD image name p1b16 :
root@nas16:~# rbd -p sp ls
p1b16
Copying image :
root@nas16:~# rbd -p sp cp p1b16 p2b16
Image copy: 100% complete...done.
Great, seems to go fine, it went superfast (a few seconds), let's check :
root@nas16:~# rbd -p sp ls
p1b16
Uh ? let's try again :
root@nas16:~# rbd -p sp cp p1b16 p2b16
2013-05-14 09:30:42.369917 400b8000 -1 Image copy: 0%
complete...failed.librbd: rbd image p2b16 already exists
rbd: copy failed:
(17) File exists
2013-05-14 09:30:42.369969 400b8000 -1 librbd: header creation failed
Doh! Really ?
root@nas16:~# rbd -p sp ls
p1b16
Hmmm, something hidden? let's try to restart :
root@nas16:~# rbd -p sp rm p2b16
2013-05-14 09:30:19.445336 400c7000 -1 librbd::ImageCtx: error finding
header: (2) No such file or directory
2013-05-14 09:30:19.644381 400c7000 -1 Removing image: librbd: error
removing img from new-style directory: (2) No such file or directory0%
complete...failed.
rbd: delete error: (2) No such file or directory
Damned, let's see at rados level :
root@nas16:~# rados -p sp ls | grep -v "rb\\."
p1b16.rbd
rbd_directory
I downloaded rbd_directory file and took a look inside, I see p1b16
(along with binary data) but no trace of p2b16
I must have missed something somewhere...
Cheers,
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