ceph fs

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I have some problems with my ceph filesystem. I have a folder that i cant remove.

I.E.
root@lintx2:/mnt/backuppc/pc# ls -la toberemoved/ 
total 0
drwxr-x--- 1 backuppc backuppc    28804802 May 15 13:29 .
drwxr-x--- 1 backuppc backuppc 29421083732 Jun  1 15:16 ..

root@lintx2:/mnt/backuppc/pc# rm -rf toberemoved 
rm: cannot remove `toberemoved': Directory not empty

I also have a folder that when I do ls i get the following message

[ 1828.569091] ceph: ceph_add_cap: couldn't find snap realm 100
[ 1828.569105] ------------[ cut here ]------------
[ 1828.569121] WARNING: at /build/buildd-linux-2.6_3.2.17-1~bpo60+1-amd64-CJo7Ex/linux-2.6-3.2.17/debian/build/source_amd64_none/fs/ceph/caps.c:590 ceph_add_cap+0x38e/0x49e [ceph]()
[ 1828.569139] Modules linked in: cryptd aes_x86_64 aes_generic cbc ceph libceph crc32c libcrc32c evdev snd_pcm snd_timer snd soundcore snd_page_alloc pcspkr ext3 jbd mbcache xen_netfront xen_blkfront
[ 1828.569182] Pid: 18, comm: kworker/0:1 Tainted: G        W    3.2.0-0.bpo.2-amd64 #1
[ 1828.569193] Call Trace:
[ 1828.569207]  [<ffffffff810497ec>] ? warn_slowpath_common+0x78/0x8c
[ 1828.569221]  [<ffffffffa00db647>] ? ceph_add_cap+0x38e/0x49e [ceph]
[ 1828.569233]  [<ffffffffa00d220a>] ? fill_inode+0x4eb/0x602 [ceph]
[ 1828.569244]  [<ffffffffa00d331b>] ? ceph_dentry_lru_touch+0x2a/0x68 [ceph]
[ 1828.569258]  [<ffffffffa00d317d>] ? ceph_readdir_prepopulate+0x2de/0x375 [ceph]
[ 1828.569271]  [<ffffffffa00e2d3f>] ? dispatch+0xa35/0xef2 [ceph]
[ 1828.569286]  [<ffffffffa00ae841>] ? ceph_tcp_recvmsg+0x43/0x4f [libceph]
[ 1828.569297]  [<ffffffffa00b0821>] ? con_work+0x1070/0x13b8 [libceph]
[ 1828.569308]  [<ffffffff81044580>] ? update_curr+0xbc/0x160
[ 1828.569319]  [<ffffffffa00af7b1>] ? try_write+0xbe1/0xbe1 [libceph]
[ 1828.569332]  [<ffffffff8105f8bb>] ? process_one_work+0x1cc/0x2ea
[ 1828.569342]  [<ffffffff8105fb06>] ? worker_thread+0x12d/0x247
[ 1828.569353]  [<ffffffff8105f9d9>] ? process_one_work+0x2ea/0x2ea
[ 1828.569361]  [<ffffffff8105f9d9>] ? process_one_work+0x2ea/0x2ea
[ 1828.569372]  [<ffffffff81063311>] ? kthread+0x7a/0x82
[ 1828.569384]  [<ffffffff8136bb34>] ? kernel_thread_helper+0x4/0x10
[ 1828.569395]  [<ffffffff81369bf3>] ? int_ret_from_sys_call+0x7/0x1b
[ 1828.569406]  [<ffffffff813646fc>] ? retint_restore_args+0x5/0x6
[ 1828.569417]  [<ffffffff8136bb30>] ? gs_change+0x13/0x13
[ 1828.569423] ---[ end trace 98770cddb79a6a55 ]---
[ 1828.569433] ceph: ceph_add_cap: couldn't find snap realm 100
[ 1828.569442] ------------[ cut here ]------------
[ 1828.569452] WARNING: at /build/buildd-linux-2.6_3.2.17-1~bpo60+1-amd64-CJo7Ex/linux-2.6-3.2.17/debian/build/source_amd64_none/fs/ceph/caps.c:590 ceph_add_cap+0x38e/0x49e [ceph]()
[ 1828.569467] Modules linked in: cryptd aes_x86_64 aes_generic cbc ceph libceph crc32c libcrc32c evdev snd_pcm snd_timer snd soundcore snd_page_alloc pcspkr ext3 jbd mbcache xen_netfront xen_blkfront
[ 1828.569500] Pid: 18, comm: kworker/0:1 Tainted: G        W    3.2.0-0.bpo.2-amd64 #1
[ 1828.569508] Call Trace:
[ 1828.569513]  [<ffffffff810497ec>] ? warn_slowpath_common+0x78/0x8c
[ 1828.569523]  [<ffffffffa00db647>] ? ceph_add_cap+0x38e/0x49e [ceph]
[ 1828.569533]  [<ffffffffa00d220a>] ? fill_inode+0x4eb/0x602 [ceph]
[ 1828.569543]  [<ffffffffa00d331b>] ? ceph_dentry_lru_touch+0x2a/0x68 [ceph]
[ 1828.569552]  [<ffffffffa00d317d>] ? ceph_readdir_prepopulate+0x2de/0x375 [ceph]
[ 1828.569563]  [<ffffffffa00e2d3f>] ? dispatch+0xa35/0xef2 [ceph]
[ 1828.569573]  [<ffffffffa00ae841>] ? ceph_tcp_recvmsg+0x43/0x4f [libceph]
[ 1828.569583]  [<ffffffffa00b0821>] ? con_work+0x1070/0x13b8 [libceph]
[ 1828.569590]  [<ffffffff81044580>] ? update_curr+0xbc/0x160
[ 1828.569599]  [<ffffffffa00af7b1>] ? try_write+0xbe1/0xbe1 [libceph]
[ 1828.569607]  [<ffffffff8105f8bb>] ? process_one_work+0x1cc/0x2ea
[ 1828.569615]  [<ffffffff8105fb06>] ? worker_thread+0x12d/0x247
[ 1828.569622]  [<ffffffff8105f9d9>] ? process_one_work+0x2ea/0x2ea
[ 1828.569630]  [<ffffffff8105f9d9>] ? process_one_work+0x2ea/0x2ea
[ 1828.569637]  [<ffffffff81063311>] ? kthread+0x7a/0x82
[ 1828.569644]  [<ffffffff8136bb34>] ? kernel_thread_helper+0x4/0x10
[ 1828.569652]  [<ffffffff81369bf3>] ? int_ret_from_sys_call+0x7/0x1b
[ 1828.569660]  [<ffffffff813646fc>] ? retint_restore_args+0x5/0x6
[ 1828.569667]  [<ffffffff8136bb30>] ? gs_change+0x13/0x13
[ 1828.569673] ---[ end trace 98770cddb79a6a56 ]---
Then i see some folders

Is there a way to remove this error directories or a reason / bug why I get this messages.

The folder that I try to remove had a similar problem as the one above, I manages to remove
all visible files.

 /Regards Martin
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