DRBD: Difference between revisions

From DWIKI
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First try
First try
  drbdadm up resourcename
  drbdadm up resourcename
==Command 'drbdmeta 1 v08 /dev/drbd0 internal apply-al' terminated with exit code 20
Most likely split brain issue, check dmesg etc

Revision as of 09:34, 12 April 2018

Distributed Replicated Block Device


Links

See also: http://www.gluster.org/ and http://ceph.com/

Support

Tools

drbdadm

drbd-overview

drbdsetup

Docs

Recovery

GFS on DRBD


Cheatsheet

Make device primary

drbdadm primary yourdeviceID

or

drbdsetup /dev/drbdX primary -o

FAQ

sync is slow

show configuration

drbdsetup show


update network settings

drbdsetup net-options 10.0.0.1 10.0.0.2  --sndbuf-size=2M


mount: unknown filesystem type 'drbd'

Usually means your node is not primary. If you're sure you know what you're doing you can use

mount -t ext4 /dev/drbd1 /drbdmount

reload configuration

drbdadm adjust all


show configuration of resource

drbdsetup /dev/drbd0 show


resource unknown

First try

drbdadm up resourcename

==Command 'drbdmeta 1 v08 /dev/drbd0 internal apply-al' terminated with exit code 20 Most likely split brain issue, check dmesg etc