[Linux-cluster] qdisk max_error_cycles setting

brem belguebli brem.belguebli at gmail.com
Thu Jan 7 11:30:50 UTC 2010

Hi All,

Any idea about that ?


2009/12/30 brem belguebli <brem.belguebli at gmail.com>:
> Hi,
> It looks like the quorumd max_error_cycles parameter it not taken into account.
> Here's the test I'm doing:
> A 3 nodes cluster (RHEL 5.4) with a iscsi qdisk lun from a RHEL 5.4
> target server.
> All 3 cluster nodes have the following cqdisk configuration:
> <quorumd device="/dev/iscsi/storage.quorum" interval="1"
> log_facility="local5" log_level="7" tko="10" votes="1"
> max_error_cycles="10">
> When I block access from the 3 nodes to the target server (iptables
> rule that prevents all ip flows from the 3 nodes to the target
> server), I see the Quorum disk go offline but qdisk never gets stopped
> and keeps on retrying the qdisk device despite the fact that I
> instructed it to abort after 10 cycles (max_error_cycles=10).
> Am I misunderstanding the max_error_cycles definition in the qdisk man page ?
> Regards
> PS: As consequence of not being killed after this max-error_cycles,
> qdisk  keeps on growing (memory usage virtual size) and if the
> situation lasts too long OOM killer gets involved.....

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