[DRBD-user] ext3-fs warning/error when mounting drbd

[Paul Chen]

Hi,

I am trying to get drbd to work with my current fs. I'm using jbod on my system and I am mapping /dev/drbd0 to /dev/md0. When I tried to mount /dev/drbd0 using ext3, I kept getting the following warning msg.

[node1]# dmesg
....
drbd0: Secondary/Unknown --> Primary/Unknown
kjournald starting.  Commit interval 5 seconds
EXT3-fs warning: mounting fs with errors, running e2fsck is recommended
EXT3 FS on drbd0, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
attempt to access beyond end of device
drbd0: rw=0, want=181928048, limit=155327232
EXT3-fs error (device drbd0): ext3_get_inode_loc: unable to read inode block - inode=11370497, block=22741005
Aborting journal on device drbd0.
ext3_abort called.
EXT3-fs abort (device drbd0): ext3_journal_start: Detected aborted journal
Remounting filesystem read-only
attempt to access beyond end of device
drbd0: rw=0, want=181141616, limit=155327232
EXT3-fs error (device drbd0): ext3_get_inode_loc: unable to read inode block - inode=11321345, block=22642701

However if I just mount /dev/md0, everything is ok and I get the following message. So is there something with my harddisk or am i doing something wrong?
By the way, I formatted /dev/md0 to ext3 first before I start drbd, should I format directly on /dev/drbd0 instead?

[node1]# dmesg
....
EXT3 FS on md0, internal journal
EXT3-fs: recovery complete
EXT3-fs: mounted filesystem with ordered data mode.
md:md2:sync done.
RAID1 conf printout:
 --- wd:2 rd:2
 disk 0, wo:0 o:1, dev:sda2
 disk 2, wo:0 0:1, dev:sdb2


I am using Redhat7.2 and kernel 2.6.8.1

my drbd.conf:
resource "drbd0" {
 protocol  C;
 incon-degr-cmd "echo '!DRBD! pri on incon-degr' | wall ; sleep 60 ; halt -f";

 disk {
  on-io-error detach;
 }

 syncer {
  rate  20M;
 }

 on node1 {
  device  /dev/drbd0;
  disk  /dev/md0;
  address  192.168.2.1:7788;
  meta-disk internal;
 }

 on node2 {
  device  /dev/drbd0;
  disk  /dev/md0;
  address  192.168.2.2:7788;
  meta-disk internal;
 }
}

Thanks and best regards,

Paul Chen
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