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HSG80 Array Controller V8.7 Maintenance and Service Guide
5–9
Upgrading the Subsystem
Shutdown Upgrade Procedure
This upgrade procedure applies to dual-redundant controller configurations and all
single-controller configurations. Specific controllers are referred to as Controller A or
Controller B during the procedure. For clarity, the CLI prompts illustrated in this
procedure use HSGA> and HSGB> to indicate which controller (A or B) is used.
IMPORTANT: The following steps must be followed carefully for the upgrade procedure to work
properly.
The procedure takes approximately five minutes.
NOTE: This procedure is written for dual-redundant controller configurations. If upgrading a
single-controller configuration, disregard references to multiple controllers and Controller B.
1. From a host console, stop all host activity to the controllers and dismount the
logical units in the subsystem.
2. If the controller is running in SCSI-2 mode and the Command Console LUN
(CCL) is enabled, you must disable the CCL prior to upgrading.
a.
Determine if the controller is in SCSI-2 mode and the CCL is enabled using
the following command:
HSGA> SHOW THIS_CONTROLLER
The following text is only a portion of the resulting display—arrows point to the
pertinent status indication.
b.
If the controller is in SCSI-2 mode and the CCL is enabled, record the status
for restoration in step 12.
Controller:
HSG80
(C) DEC ZG80200258 Software V86P-0,
Hardware E01
NODE_ID
= 5000-1FE1-0007-B780
ALLOCATION_CLASS
= 1
SCSI_VERSION
= SCSI-2
Configured for MULTIBUS_FAILOVER with ZG92810098
In dual-redundant configuration
Device Port SCSI address 7
Time: 14-MAR-2001
15:44:25
Command Console LUN is lun 0 (IDENTIFIER = 0)