Cluster SBD partition fails from mismatched metadata
This document (7010933) is provided subject to the disclaimer at the end of this document.
Environment
Split Brain Detection (SBD) Partition
Situation
# cat /etc/sysconfig/sbd
SBD_DEVICE="/dev/sdb1;/dev/sdc1;/dev/sdd1"
SBD_OPTS="-W"
The following metadata appears on the sbd partitions.
# /usr/sbin/sbd -d /dev/sdb1 dump
==Dumping header on disk /dev/sdb1
Header version : 2
Number of slots : 255
Sector size : 512
Timeout (watchdog) : 5
Timeout (allocate) : 2
Timeout (loop) : 1
Timeout (msgwait) : 10
==Header on disk /dev/sdb1 is dumped
# /usr/sbin/sbd -d /dev/sdc1 dump
==Dumping header on disk /dev/sdc1
Header version : 2
Number of slots : 255
Sector size : 512
Timeout (watchdog) : 25
Timeout (allocate) : 2
Timeout (loop) : 1
Timeout (msgwait) : 10
==Header on disk /dev/sdc1 is dumped
# /usr/sbin/sbd -d /dev/sdd1 dump
==Dumping header on disk /dev/sdd1
Header version : 2
Number of slots : 255
Sector size : 512
Timeout (watchdog) : 5
Timeout (allocate) : 2
Timeout (loop) : 1
Timeout (msgwait) : 10
==Header on disk /dev/sdd1 is dumped
Resolution
1. Display the current SBD partitions.
# cat /etc/sysconfig/sbd
SBD_DEVICE="/dev/sdb1;/dev/sdc1;/dev/sdd1"
SBD_OPTS="-W"
2. Reformat the SBD partition on each devices listed:
# sbd -d /dev/sdb1 -d /dev/sdc1 -d /dev/sdd1 create
3. Reboot one node in the cluster. When it comes back online, reboot another node. Repeat the process until each node in the cluster has been rebooted.
Cause
Disclaimer
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- Document ID:7010933
- Creation Date: 15-Oct-2012
- Modified Date:12-Oct-2022
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- SUSE Linux Enterprise High Availability Extension
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