MDS dentry: =========== debugfs 1.42.7.wc2 (07-Nov-2013) /dev/mapper/3600c0ff00019323f477ec25101000000: catastrophic mode - not reading inode or group bitmaps Inode: 1230432586 Type: regular Mode: 0700 Flags: 0x0 Generation: 3984192392 Version: 0x00000004:321af3ef User: 83072 Group: 83072 Size: 0 File ACL: 0 Directory ACL: 0 Links: 1 Blockcount: 0 Fragment: Address: 0 Number: 0 Size: 0 ctime: 0x55b8db79:00000000 -- Wed Jul 29 07:56:09 2015 atime: 0x55b951a6:00000000 -- Wed Jul 29 16:20:22 2015 mtime: 0x55b8db79:00000000 -- Wed Jul 29 07:56:09 2015 crtime: 0x55b8db78:8103f824 -- Wed Jul 29 07:56:08 2015 Size of extra inode fields: 28 Extended attributes stored in inode body: lma = "00 00 00 00 00 00 00 00 ab 13 84 1b 02 00 00 00 b5 d1 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 " (64) lma: fid=[0x21b8413ab:0xd1b5:0x0] compat=0 incompat=0 link = "df f1 ea 11 01 00 00 00 3f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 27 00 00 00 02 1b 84 13 ab 00 00 d1 b3 00 00 00 00 62 61 74 63 68 2e 6f 70 65 6e 6d 70 69 2e 62 61 73 68 2d 72 73 " (63) lov = "d0 0b d1 0b 01 00 00 00 b5 d1 00 00 00 00 00 00 ab 13 84 1b 02 00 00 00 00 00 10 00 04 00 00 00 14 42 05 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 02 00 00 00 fb eb f3 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 26 00 00 00 2b 8d f3 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 23 00 00 00 1c e2 f3 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1f 00 00 00 " (128) BLOCKS: OSS first stripe contains the file, data can be cat'd: debugfs 1.42.7.wc2 (07-Nov-2013) /dev/mapper/360001ff090439000000000028b790002: catastrophic mode - not reading inode or group bitmaps Inode: 11296591 Type: regular Mode: 0666 Flags: 0x80000 Generation: 3393977166 Version: 0x00000000:080fee79 User: 83072 Group: 83072 Size: 2321 File ACL: 0 Directory ACL: 0 Links: 1 Blockcount: 8 Fragment: Address: 0 Number: 0 Size: 0 ctime: 0x55bcc21d:4b6e96d4 -- Sat Aug 1 06:57:01 2015 atime: 0x55b8db8d:00000000 -- Wed Jul 29 07:56:29 2015 mtime: 0x55b8db79:00000000 -- Wed Jul 29 07:56:09 2015 crtime: 0x55b7e692:b709b49c -- Tue Jul 28 14:31:14 2015 Size of extra inode fields: 28 Extended attributes stored in inode body: fid = "ab 13 84 1b 02 00 00 00 b5 d1 00 00 00 00 00 00 14 42 05 01 00 00 00 00 00 00 00 00 00 00 00 00 " (32) fid: objid=17121812 seq=0 parent=[0x21b8413ab:0xd1b5:0x0] stripe=0 EXTENTS: (0):2891709866 Under 2.1.4 client size is correct but open returne ENOENT. File: Size: 2321 Blocks: 8 IO Block: 2097152 regular file Device: 8f127eeh/150022126d Inode: 151860232455246261 Links: 1 Access: (0700/-rwx------) Uid: (user) Gid: (user) Access: 2015-07-29 16:20:22.000000000 -0600 Modify: 2015-07-29 07:56:09.000000000 -0600 Change: 2015-08-01 06:57:01.000000000 -0600 Under 2.5.3 client size is 0, open returns ENOENT File: Size: 0 Blocks: 0 IO Block: 4194304 regular empty file Device: 8f127eeh/150022126d Inode: 151860232455246261 Links: 1 Access: (0700/-rwx------) Uid: (user) Gid: (user) Access: 2015-07-29 16:20:22.000000000 -0600 Modify: 2015-07-29 07:56:09.000000000 -0600 Change: 2015-07-29 07:56:09.000000000 -0600