On 05/29/2013 07:23 PM, Chris Dunlop wrote:
On Wed, May 29, 2013 at 12:21:07PM -0700, Josh Durgin wrote:
On 05/28/2013 10:59 PM, Chris Dunlop wrote:
I see there's a new commit to speed up an 'rbd rm':
http://tracker.ceph.com/projects/ceph/repository/revisions/40956410169709c32a282d9b872cb5f618a48926
Is it safe to cherry-pick this commit on top of 0.56.6 (or, if not, v0.61.2) to speed up the remove?
You'll need 537386d906b8c0e395433461dcb03a82eb33f34f as well. It should
apply cleanly to 0.61.2, and probably 0.56.6 too.
Thanks. I'll see how I go, I may just leave the 'rm' running all
weekend rather than futzing around recompiling ceph and getting
off the mainline track.
If you're mainly interested in getting rid of the accidentally 1.5PB
image, you can just delete the header (and id object if it's format 2)
and then 'rbd rm' will just remove it from the rbd_directory index, and
not try to delete all the non-existent data objects.
Perhaps as a low-churn high-impact (for those that need it) change,
this is a candidate to be back-patched into 0.61.3 and perhaps 0.56.7 ?
Cheers,
Chris.
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