Hello,I have a SAN Eva 5000 HP And I have installed a redhat 5.0 on my server with "linux mpath", so far all is fine.
I have an os device multipathed as follow : > multipath -ll mpath0 () dm-0 COMPAQ,HSV110 (C)COMPAQ [size=7.0G][features=0][hwhandler=0] \_ round-robin 0 [prio=0][active] \_ 3:0:0:1 sdb 8:16 [active][ready] \_ 4:0:0:1 sdc 8:32 [active][ready]But when I presents a new lun to my host and scans again the scsi lun, I am losing the multipath on the disk (/ and /boot)
(possibly because the name of device is changed from sdb/sdc to sdc/sde ? )
Here's an extract of my multipath.conf:
multipath {
wwid 3600508b40000c1c50001c000000b0000
path_grouping_policy group_by_serial
rr_weight uniform
prio_callout /bin/true
alias os_lun
}
But it's seems that on boot the mutlipath.conf file is not read.
Am I right?
When the system is booted, multipathd cannot use the boot device ...What can I do to fix the boot device name persistence? Where is supposed to be configuration file that defines the multipath options of the boot device ?
Right now, the server can boot because my fstab is like this:LABEL=/1 / LABEL=/boot /boot
Thanks you for your help
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