Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
My configuration is Pri/Pri DRBD Cluster with GFS2/CLVM and Postgres/Zabbix If I kill my Active node, the Standby node migrates services quickly and becomes the new Active Node. However, once the old Active node reboots as a new Standby node, it takes 5-7 minutes to re-sync the DRBD partition. .
If only the Standby node reboots and there is no service migration, the Re-sync only takes a few seconds. Why does the resync take longer following a service migration to standby node vs when there's no service migration with only the standby recovery?
I did notice the size of the resync 29M is smaller with just a Standby node restart than it is when the Primary is killed, and restarts as Standby (4G)
brw-rw---- 1 root disk 8, 3 Feb 14 05:02 /dev/sda3
[root at lm01.mco-p.atct ~]# df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/mapper/vg_00-LV_Root
20158332 7412924 11721408 39% /
tmpfs 8158040 32044 8125996 1% /dev/shm
/dev/sda1 495844 54492 415752 12% /boot
/dev/mapper/vg_00-LV_Var
18138440 9707304 7509744 57% /var
/dev/sda3 100791728 73605568 22066160 77% /vm
/dev/mapper/postgres_vg-postgres_lv
343925920 24288868 319637052 8% /var/lib/pgsql
- JM
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