Cluster I/O Protocols (CIP) Configuration and Management Manual (H06.16+, J06.05+)

NOTE: Examples of Storage CLIMs not in fault-tolerant configurations include Storage CLIMs that
are connected to a disk or tape that has no functioning backup path. If you have disks that do not
have a backup path, only update the primary Storage CLIM that provides its path after planning
for the unavailability of these disks.
1. For each Storage CLIM, check that the CLIM has a backup path by following steps 1 - 3 in
“1. Prepare the Storage CLIM for Upgrade (skip if the host system is not running)” (page 139).
Return to this procedure and fill in the group upgrade form as shown in this example (Table 12:
Sample populated Storage CLIM group upgrade form). When you are filling in the group
form, put the primary Storage CLIMs in one upgrade group and the backup CLIMs in another
group so that a path to each disk remains active when one of the CLIMs is stopped.
Table 12 Sample populated Storage CLIM group upgrade form
Normal
operations
resumed?
CLIM
restarted
?
Upgrade
done ?
Switch
and
abort
done ?
B/up
CLIM
started ?B/up CLIM name
Storage
path
Running
Maint
Prov?
If yes,
GroupTypeCLIM name
which
one?
YS1002533PAStorS1002531
MB
YS1002531BBStorS1002533
M
2. Perform the remaining preparation steps, steps 4 - 7, in “1. Prepare the Storage CLIM for
Upgrade (skip if the host system is not running)” (page 139), but return to this procedure to
complete the group form. (Do not perform the software upgrade yet.)
3. Look at the form, which tells you which CLIMs are in the first group (group A in this example)
and, selecting up to four CLIMs from this group, perform “2. Upgrade the Storage CLIM”
(page 141) on all the CLIMs simultaneously by using multiple sessions of OSM Low-Level Link,
one for each CLIM. For example:
Upgrading CLIM Software and Firmware While Maintaining Network or Storage Traffic 161