Procedures to setup multipath
#Setup zoning in SAN switch #Login to V7000 management UI to map Solaris host to the volume, select host type ‘TPGS’ #Rescan new SAN disks without rebooting $cfgadm -o force_update -c configure cX (X is the port id as shown cfgadm -al) #verify SAN disks are detected. $echo|format #create scsi_vhci.conf #scsi_vhci.conf doesn’t need to customized, scsi-vhci-failover-override parameter is optional, IBM V7000 is detected as f_tpgs with the standard probe. $cp /kernel/drv/scsi_vhci.conf /etc/driver/drv/scsi_vhci.conf #Obtain the device path of the fc ports of a single HBA $ls -l /dev/cfg lrwxrwxrwx 1 root root 60 Feb 28 10:20 c4 -> ../../devices/pci@400/pci@2/pci@0/pci@8/SUNW,qlc@0/fp@0,0:fc lrwxrwxrwx 1 root root 62 Feb 28 10:20 c5 -> ../../devices/pci@400/pci@2/pci@0/pci@8/SUNW,qlc@0,1/fp@0,0:fc the path needed is the string between ./devices/ and fp@, so the paths are /pci@400/pci@2/pci@0/pci@8/SUNW,qlc@0 /pci@400/pci@2/pci@0/pci@8/SUNW,qlc@0,1 #Create fp.conf cp /kernel/drv/fp.conf /etc/driver/drv/fp.conf #edit fp.conf to enable multipath for the two fc ports only mpxio-disable="yes"; name="fp" parent="/pci@400/pci@2/pci@0/pci@8/SUNW,qlc@0" port=0 mpxio-disable="no"; name="fp" parent="/pci@400/pci@2/pci@0/pci@8/SUNW,qlc@0,1" port=0 mpxio-disable="no"; #run the command to enable multiple path on fc ports only, server will need to be rebooted. $stmsboot –u –D fp #verify $ echo| format will show only a single disk $stmsboot -L non-STMS device name STMS device name ------------------------------------------------------------------ /dev/rdsk/c4t50050768024046D8d0 /dev/rdsk/c0t6005076802830163A000000000000005d0 /dev/rdsk/c4t50050768022046D9d0 /dev/rdsk/c0t6005076802830163A000000000000005d0 /dev/rdsk/c5t50050768022046D8d0 /dev/rdsk/c0t6005076802830163A000000000000005d0 /dev/rdsk/c5t50050768024046D9d0 /dev/rdsk/c0t6005076802830163A000000000000005d0 $mpathadm list lu /dev/rdsk/c0t5000CCA0164251B8d0s2 Total Path Count: 1 Operational Path Count: 1 /dev/rdsk/c0t5000CCA01642CDDCd0s2 Total Path Count: 1 Operational Path Count: 1 /dev/rdsk/c0t6005076802830163A000000000000005d0s2 Total Path Count: 4 Operational Path Count: 4 $mpathadm show lu /dev/rdsk/c0t6005076802830163A000000000000005d0s2 #the disk is deteced as f_tpgs as shown in messages log $grep f_ /var/adm/messages Mar 21 13:56:46 dnmsovm1 scsi: [ID 583861 kern.info] ssd4 at scsi_vhci0: unit-address g6005076802830163a000000000000005: f_tpgs
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