howto create GFS on DRBD network disk mirroring
Introduction
This howto will cover how to create a DRBD disk set with GFS concurrent disk access setup.
Why DRBD?
DRBD disk mirroring benefit as a shared SAN disk to archive higher service resilience with low cost hardware component. Alternately, it may be configured for backup purpose with it’s flexibility.
Prerequisite
1. RedHat Cluster Suit and GFS packages
cman-2.0.115-1.el5 gfs2-utils-0.1.62-1.el5 gfs-utils-0.1.20-1.el5 kmod-gfs-0.1.34-2.el5
2. drbd83 package
yum install drbd83
3. Create a partition on both node with using same size, we use [sda5] for this show case.
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awinas 3:57 am on January 13, 2011 Permalink |
Uncomment in /etc/drbd.conf
1 allow-two-primaries;
or become-primary-on both?
levin 4:21 am on January 16, 2011 Permalink |
allow-two-primaries is global parameter for nodes,
become-primary-on both, disk resource specific.