Hi Frank, thanks for you hint. The find for the inode is really fast. At least fast enough for me: $ time find /mnt/point -inum 1093514215110 -print -quit real 0m3,009s user 0m0,037s sys 0m0,032s
Cheers, Lars Tue, 17 Dec 2019 15:08:06 +0000 Frank Schilder <[email protected]> ==> Marc Roos <[email protected]>, taeuber <[email protected]> : > I think you can do a find for the inode (-inum n). At last I hope you can. > > However, I vaguely remember that there was a thread where someone gave a > really nice MDS command for finding the path to an inode in no time. > > Best regards, > > ================= > Frank Schilder > AIT Risø Campus > Bygning 109, rum S14 > > ________________________________________ > From: Marc Roos <[email protected]> > Sent: 17 December 2019 14:19:54 > To: Frank Schilder; taeuber > Cc: ceph-users > Subject: RE: [ceph-users] Re: list CephFS snapshots > > Thanks, Good tip! If I do not know where I created these, is there a way > to get their location in the filesystem? Or maybe a command that deletes > by snapid? > > > { > "snapid": 54, > "ino": 1099519875627, > "stamp": "2017-09-13 21:21:35.769863", > "name": "snap-20170913" > }, > { > "snapid": 153485, > "ino": 1099519910289, > "stamp": "2019-10-06 03:18:03.933510", > "name": "snap-6" > }, > { > "snapid": 153489, > "ino": 1099519910289, > "stamp": "2019-10-07 03:21:03.218324", > "name": "snap-7" > }, > > > > -----Original Message----- > Cc: [email protected] > Subject: [ceph-users] Re: list CephFS snapshots > > Have you tried "ceph daemon mds.NAME dump snaps" (available since > mimic)? > > ================= > Frank Schilder > AIT Risø Campus > Bygning 109, rum S14 > > ________________________________________ > From: Lars Täuber <[email protected]> > Sent: 17 December 2019 12:32:34 > To: Stephan Mueller > Cc: [email protected] > Subject: [ceph-users] Re: list CephFS snapshots > > Hi Michael, > > thanks for your gist. > This is at least a way to do it. But there are many directories in our > cluster. > The "find $1 -type d" lasts for about 90 minutes to find all 2.6 million > directories. > > Is there another (faster) way e.g. via mds? > > Cheers, > Lars > > > Mon, 16 Dec 2019 17:03:41 +0000 > Stephan Mueller <[email protected]> ==> "[email protected]" > <[email protected]>, "[email protected]" <[email protected]> : > > Hi Lars, > > > > > Is there a mean to list all snapshots existing in a (subdir of) > > > Cephfs? > > > I can't use the find dommand to look for the ".snap" dirs. > > > > You can, but you can't search for the '.snap' directories, you have to > > > append them to the directory like `find $cephFsDir/.snap` but I it's > > better to use `ls` instead, to list all snapshots. > > > > > > > > I'd like to remove certain (or all) snapshots within a CephFS. But > > > how do I find them? > > > > > > > I just created a gist for you that can do that: > > https://gist.github.com/Devp00l/2473f5953d578f440fc71b3d602a9c23 > > > > As you can see in the script, snapshots starting with an underscore > > are filtered out as these directories belong to snapshots that were > > created in upper directories and these underscore snapshots can't be > > used for deletion. > > > > The deletion of a snapshot can be done by calling `rmdir`. > > > > But if you really want to manage CephFS snapshots easily take a look > > at the dashboard, as we have integrated the snapshot and quota > > management by now :) > > > > You can delete multiple snapshots of a directory or just create new > > snapshots on a directory basis easily through the UI. > > > > > > Stephan _______________________________________________ ceph-users mailing list -- [email protected] To unsubscribe send an email to [email protected]
