you have to get in the BIOS of the Blade and deactivate the way the blade boots, I think it's on the PLANAR SAS option, try to put that on "disable" (dont remember where it's that option, look for it) you have to deactivate that. Then you have to get in the Qlogic BIOS (control+q) select the port then look for the "bootable settings". There u have to indicate the LUN from where the OS will be booting. You'll be specifying one path of the LUN you assign, because the Qlogic doesnt support a whole lun to boot. After that, u must be booting from tha SAN.
Teel if u could.
> Date: Sat, 8 May 2010 23:37:46 +0300
> Subject: IBM Blade with DS8100
> From: madunix@xxxxxxxxx
> To: redhat-list@xxxxxxxxxx
>
> Am trying to do boot from SAN using IBM HS21 Blade Server with RHEL5.1
> attached to IBM DS8100 Via a Qlogic HBA.
> How should I adjust my multipath config file ?
> sample /etc/multipath.conf :
>
> device
> {
> vendor "(COMPAQ|HP)"
> product "HSV1[01]1|HSV2[01]0|HSV300|HSV4[05]0"
> getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
> prio_callout "/sbin/mpath_prio_alua /dev/%n"
> hardware_handler "0"
> path_selector "round-robin 0"
> path_grouping_policy group_by_prio
> failback immediate
> rr_weight uniform
> no_path_retry 18
> rr_min_io 100
> path_checker tur
> }
>
>
> #defaults {
> # udev_dir /dev
> # polling_interval 10
> # selector "round-robin 0"
> # path_grouping_policy multibus
> # getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
> # prio_callout /bin/true
> # path_checker readsector0
> # rr_min_io 100
> # rr_weight priorities
> # failback immediate
> # no_path_retry fail
> # user_friendly_name yes
>
>
> Thanks
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