HP 3PAR Upgrade Pre-Planning Guide

4 Sun/Solaris Configuration Guidelines
As of HP 3PAR OS 3.1.1 GA, online upgrades can be successfully performed by means of a
node-by-node (aka “Advanced”) upgrade and pausing between HP 3PAR StoreServ Storage node
upgrades. Wait for all I/O paths for all Sun Cluster nodes to recover during each pause between
HP 3PAR StoreServ Storage node upgrades. See “I/O Path Monitoring for Solaris” (page 19).
NOTE: Solaris 10 MU3 with an iSCSI configuration is not supported for online upgrades.
I/O Path Monitoring for Solaris
The recovery of the I/O paths must be monitored at each individual Sun Cluster node. Status of
the Sun Cluster I/O paths cannot be assessed from the HP 3PAR StoreServ Storage.
Using the Solaris format command, establish the device IDs for the device I/O paths that will
need to be monitored.
# format
Searching for disks...done
AVAILABLE DISK SELECTIONS:
0. c0t1d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424> sol9u9
/pci@1e,600000/pci@0/pci@a/pci@0/pci@8/scsi@1/sd@1,0
1. c3t50002AC000A50172d0 <3PARdata-VV-3120 cyl 8621 alt 2 hd 8 sec 304>
/scsi_vhci/ssd@g50002ac000a50172
2. c3t50002AC000A60172d0 <3PARdata-VV-3120 cyl 8621 alt 2 hd 8 sec 304>
/scsi_vhci/ssd@g50002ac000a60172
In the sample output shown above, it can be established that the HP 3PAR data volumes whose
I/O paths are to be monitored are on controller c3 (c3t50002AC000A50172d0
<3PARdata-VV-3120). With this information, use the Solaris luxadm display command to
check the State of the I/O paths.
The luxadm display output yields significant data about the volumes and their associated
connection to the storage array. For the purpose of monitoring the I/O paths during array online
upgrade, only the listing of the State of the Controller is relevant.
In the sample output below, two of the four I/O paths on each of the two volumes are ONLINE,
and two are OFFLINE.
# luxadm display /dev/rdsk/c3*s2
DEVICE PROPERTIES for disk: /dev/rdsk/c3t50002AC000A50172d0s2
Vendor: 3PARdata
Product ID: VV
Revision: 3111
Serial Num: 01400370
Unformatted capacity: 10240.000 MBytes
Write Cache: Enabled
Read Cache: Enabled
Minimum prefetch: 0x0
Maximum prefetch: 0xffff
Device Type: Disk device
Path(s):
/dev/rdsk/c3t50002AC000A50172d0s2
/devices/scsi_vhci/ssd@g50002ac000a50172:c,raw
Controller /devices/pci@1f,700000/pci@0/SUNW,qlc@2,1/fp@0,0
Device Address 20340002ac000172,1e
Host controller port WWN 210100e08bafe1b5
Class primary
State OFFLINE
I/O Path Monitoring for Solaris 19