Dear Christophe,
I'm grad multipath-tool help us a lot. But we got some problem as multipath creation failed. I set the following configure and can not get twice path. sometime only got one path. That's strange. Can you help me out? I just want to get sdm and sdal multipath. Thanks.
executie command steps:
1. multipath -F
2. multipath -r
multipath.conf
defaults {
getuid_callout "/lib/udev/scsi_id -g -u /dev/%n"
prio alua
failback immediate
no_path_retry queue
}
blacklist {
devnode "*"
}
blacklist_exceptions {
devnode "sdml"
devnode "sdal"
}
devices {
device {
vendor "*"
product "*"
no_path_retry 0
prio const
no_path_retry
fail
}
}
by the way, I got some multipath error as below, Is there any question?
[64513.680938] end_request: I/O error, dev dm-3, sector 0
[64513.681039] end_request: I/O error, dev dm-3, sector 3907029160
[64513.681097] end_request: I/O error, dev dm-3, sector 3907029160
[64513.681158] end_request: I/O error, dev dm-3, sector 0
[64513.681265] end_request: I/O error, dev dm-3, sector 0
[64513.681325] end_request: I/O error, dev dm-3, sector 24
[64513.694741] device-mapper: multipath: Failing path 67:96.
[64513.714079] device-mapper: multipath: Failing path 67:112.
[64513.714130] device-mapper: multipath: Failing path 67:128.
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