Limitations, Failure scenarios, Hp-ux – HP 6400.8400 Enterprise Virtual Array User Manual

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Limitations

•

HP P6000 Continuous Access is not supported with single path configurations.

•

Single path HBA server is not part of a cluster.

•

Booting from the SAN is supported on single path HBA servers.

Figure 41 VMware configuration

5 SAN switch 1

1 Network interconnection

6 SAN switch 2

2 Single HBA server

7 Controller A

3 Dual HBA server

8 Controller B

4 Management server

Failure scenarios

HP-UX

Table 30 HP-UX failure scenarios

Failure effect

Fault stimulus

Extremely critical event on UNIX. Can cause loss of system disk.

Server failure (host power-cycled)

Short term: Data transfer stops. Possible I/O errors.
Long term: Job hangs, cannot umount disk, fsck failed, disk corrupted,
need mkfs disk.

Switch failure (SAN switch disabled)

Short term: Data transfer stops. Possible I/O errors.
Long term: Job hangs, cannot umount disk, fsck failed, disk corrupted,
need mkfs disk.

Controller failure

Short term: Data transfer stops. Possible I/O errors.
Long term: Job hangs, cannot umount disk, fsck failed, disk corrupted,
need mkfs disk.

Controller restart

Failure scenarios

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