On 10/01/15 14:21, Christoph Hellwig wrote:
> Any chance you could share all your multipath tests in a git repository
> somewhere? It seems like you're the only one actually having a good
> set of reproducable but minimalistic tests.
Hmm, sorry I don't have a public git repository...
I'm using a pair of KVM guest, one for iSCSI target and the other
for testing.
I could reproduce the crash using this loop, within a few minutes:
service multipathd start
while true; do
multipath -F
iscsiadm -m node --logout
iscsiadm -m node --login
done
It might implicitly depend on udev to do some small amount of I/O
after device uevent though.
/etc/multipath.conf is like this:
blacklist {
devnode "^(ram|raw|loop|fd|md|dm-|sr|scd|st|vd)[0-9]*"
}
defaults {
user_friendly_names no
find_multipaths yes
path_grouping_policy group_by_prio
path_selector "queue-length 0"
path_checker "tur"
failback immediate
prio alua
retain_attached_hw_handler yes
}
--
Jun'ichi Nomura, NEC Corporation
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