Im connecting a PE2850 to a Equalogic SAN, using multipath. I have a PCI NIC
with one connection to the SAN and one from the onboard controller too. The SAN
is ona different network, and is at IP 10.10.20.10.
Here is the output from the multipath -ll
[r...@ccvobtest2850 ~]# multipath -ll
DubSanGrp01VolCC (36090a048d03f308d51b1f47c000030a6) dm-18 EQLOGIC,100E-00
[size=500G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=1][enabled]
\_ 3:0:0:0 sdc 8:32 [active][ready]
\_ round-robin 0 [prio=1][enabled]
\_ 4:0:0:0 sdd 8:48 [active][ready]
And here is the multipath.conf:
[r...@ccvobtest2850 ~]# cat /etc/multipath.conf
## Use user friendly names, instead of using WWIDs as names.
defaults {
user_friendly_names yes
}
blacklist {
# wwid 26353900f02796769
# devnode "^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]*"
# devnode "^hd[a-z]"
# devnode "^sd[a-b]"
}
multipaths {
multipath {
wwid 36090a048d03f308d51b1f47c000030a6
alias DubSanGrp01VolCC
}
}
devices {
device {
vendor "EQLOGIC"
product "100E-00"
path_grouping_policy failover
getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
features "1 queue_if_no_path"
path_checker readsector0
failback immediate
path_selector "round-robin 0"
rr_min_io 10
rr_weight priorities
}
}
However when I unplug the cable to eth1, it doesn't failover. I am testing with
a ping to the SAN at 10.10.20.10. As Im pretty new to all this, was wondering
if anyone has any pointers on where I am going wrong.
Thanks
Brian
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