[DRBD-user] DRBD Long Sync Wait

Vera, Michael mxvera at qwest.com
Tue Feb 10 15:59:00 CET 2004


Nevermind, I used the generic drbd.conf from the HOWTO and unfortunately
the default net settings were too slow. A few omre settings to the
drbd.conf may be a good addition to the HOWTO.

Thanks,
Michael Vera

-----Original Message-----
From: drbd-user-admin at nudlaug.linbit.com
[mailto:drbd-user-admin at nudlaug.linbit.com] On Behalf Of Vera, Michael
Sent: Monday, February 09, 2004 2:52 PM
To: drbd-user at nudlaug.linbit.com
Subject: [DRBD-user] DRBD Long Sync Wait


Greetings,

I am new to drbd and just set up a drbd device of about 55GB in size. It
is mounted by heartbeat (datadisk) as /home. It is to act as a mirrored
filesystem over my two-node cluster.

Here is the drbd.conf file:

drbd.conf
resource drbd0 {
  protocol = C
  fsckcmd  = /bin/true

  on bilbo1 {
    device  = /dev/nb0
    disk    = /dev/cciss/c0d0p3
    address = 10.0.0.1
    port    = 7788
  }

  on bilbo2 {
    device  = /dev/nb0
    disk    = /dev/cciss/c0d0p3
    address = 10.0.0.2
    port    = 7788
  }
}

I ran a test and piped a good 1MB of text into a file on the /home
partition, and the entire sync process had to start over. The sync
process looks like it will take over 60 hours.

Is there any configuration change I can make to speed this up? I gather
a failover would be a bad thing during syncing, but its hard to expect a
failure to wait 60 so the syncing can finish.

Thanks,
Michael Vera
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