[Linux-HA] Re: deadtime, warntime, and drbd
lmb at suse.de
Mon Mar 7 04:52:21 MST 2005
On 2005-03-04T23:21:28, Alan Robertson <alanr at unix.sh> wrote:
> This sounds mostly reasonable. What kind of disks are you using, with what
> kind of disk controller? Do you have DMA enabled on the disks?
> The DRBD deadtime needs to be shorter than the heartbeat deadtime - at
> least slightly.
Yep, the drb script actually has a workaround like this:
# try several times, in case heartbeat deadtime
# was smaller than drbd ping time
while true; do
$DRBDADM primary $RES && break
let "--try" || exit 20
So, given the timings mentioned here, this should have worked.
Lars Marowsky-Brée <lmb at suse.de>
High Availability & Clustering
SUSE Labs, Research and Development
SUSE LINUX Products GmbH - A Novell Business
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