HP StorageWorks Data Replication Manager HSG80 ACS Version 8.7P Configuration Guide (AA-RPHZF-TE, March 2004)

Troubleshooting
179Data Replication Manager HSG80 ACS Version 8.7P Configuration Guide
Other Troubleshooting Considerations
SHOW commands, zoning, and Secure Path may also assist in troubleshooting.
SHOW Commands
Information useful for troubleshooting can be acquired by issuing various SHOW commands.
See Appendix A for a list of SHOW commands used in troubleshooting. Two particularly
useful commands are SHOW UNITS FULL and SHOW REMOTE FULL.
SHOW UNITS FULL
At the initiator controller, issue the SHOW UNITS FULL command. Table 16 shows a typical
output.
SHOW REMOTE FULL
At the initiator controller, issue the SHOW REMOTE FULL command. Table 17 shows a
typical output.
Table 16: SHOW UNITS FULL Command Output
LUN Uses Used by
--------------------------------------------------------
D1 DISK10000
LUN ID: 6000-1FE1-0008-0A50-0009-0510-3520-0001
NOIDENTIFIER
Switches:
RUN NOWRITE_PROTECT READ_CACHE
READAHEAD_CACHE WRITEBACK_CACHE
MAX_READ_CACHED_TRANSFER_SIZE = 32
MAX_WRITE_CACHED_TRANSFER_SIZE = 32
Access:
HOSTA_1, HOSTA_2, BUILDNGBA, BUILDNGBB, BUILDNGBC,
BUILDNGBD
Check for proper access (that
is, hosts and target
controllers).
State:
ONLINE to this controller
Verify that it is online.
Not reserved
If Tru64, watch for persistent
reserve.
NOPREFERRED_PATH
Size: 17769177 blocks
Geometry (C/H/S): ( 5258 / 20 / 169 )