On 2015-04-23 19:39:33 +0000, Sage Weil said:
On Thu, 23 Apr 2015, Pavel V. Kaygorodov wrote:
Hi!
I have copied two of my pools recently, because old ones has too many pgs.
Both of them contains RBD images, with 1GB and ~30GB of data.
Both pools was copied without errors, RBD images are mountable and
seems to be fine.
CEPH version is 0.94.1
You will likely have problems if you try to delete snapshots that existed
on the images (snaps are not copied/preserved by cppool).
sage
Could you be more specific on what these problems would look like? Are
you referring to RBD pools in particular, or is this a general issue
with snapshots? Anything that could be done to prevent these issues?
Background of the question is that we take daily snapshots of some
pools to allow reverting data when users make mistakes (via RGW). So it
would be difficult to get rid of all snapshots first.
Thanks
Daniel
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