Hi.
I'm using ocfs2 device with two nodes of 500Gb and I have 350Gb free.
Everything works fine. However I always recieve "out of disk space" error
in my web application and some performance problems because of that.
I know that this can be fixed by turning on discontig-bg feature but I've
already done that and it didn't help.
Then I saw that this feature is incompatible for my device:
root@1:~# debugfs.ocfs2 -n -R "stats" /dev/xvdb1
Revision: 0.90
Mount Count: 0 Max Mount Count: 20
State: 0 Errors: 0
Check Interval: 0 Last Check: Sat Jun 6 19:38:12 2015
Creator OS: 0
Feature Compat: 3 backup-super strict-journal-super
Feature Incompat: 16208 sparse extended-slotmap inline-data metaecc
xattr indexed-dirs refcount discontig-bg
Tunefs Incomplete: 0
Feature RO compat: 7 unwritten usrquota grpquota
Root Blknum: 5 System Dir Blknum: 6
First Cluster Group Blknum: 3
Block Size Bits: 12 Cluster Size Bits: 12
Max Node Slots: 2
Extended Attributes Inline Size: 256
Label: bnews
UUID: 8F1C21BF3B09459FB0C667C58AA0B7CB
Hash: 2948584403 (0xafbfd3d3)
DX Seed[0]: 0x38f8f950
DX Seed[1]: 0x034edae5
DX Seed[2]: 0xea4f0da9
Cluster stack: classic o2cb
Inode: 2 Mode: 00 Generation: 1813982380 (0x6c1f2cac)
FS Generation: 1813982380 (0x6c1f2cac)
CRC32: 08e81acd ECC: 01dd
Type: Unknown Attr: 0x0 Flags: Valid System Superblock
Dynamic Features: (0x0)
User: 0 (root) Group: 0 (root) Size: 0
Links: 0 Clusters: 131071744
ctime: 0x5572f7c4 -- Sat Jun 6 19:38:12 2015
atime: 0x0 -- Thu Jan 1 06:00:00 1970
mtime: 0x5572f7c4 -- Sat Jun 6 19:38:12 2015
dtime: 0x0 -- Thu Jan 1 06:00:00 1970
ctime_nsec: 0x00000000 -- 0
atime_nsec: 0x00000000 -- 0
mtime_nsec: 0x00000000 -- 0
Refcount Block: 0
Last Extblk: 0 Orphan Slot: 0
Sub Alloc Slot: Global Sub Alloc Bit: 65535
OS: Ubuntu Precise
~# dpkg -l | grep ocfs
ii ocfs2-tools 1.6.4-3ubuntu1
/dev/xvdb1 /srv/www ocfs2 _netdev,defaults 0 0
Why it can be incompatible and how to solve this?
Thanks in advance.
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