Troubleshooting 7-11
Is the floppy disk write-protected?
Place the write-protect switch on the floppy disk to the "Write-enabled" position.
Is the floppy disk formatted?
Use a formatted floppy disk or format the floppy disk in the floppy disk drive. Refer
to the manual that comes with the OS for formatting a floppy disk.
Is the medium mounted?
If a failover takes place with a medium mounted, the medium is forciblly unmounted,
in which case remounting of the medium is necessary.
(An error such as Buffer I/O error may be reported in installing a CPU/IO module or at a
failover. This error is a specification of the device and will not affect the operation.) The
device name of the floppy disk drive may change (for example, from sdc to sdb), which
is again a specification of the device and will not affect the operation. If the device name
has changed, use a new device name for mounting.
Fail to access to the optical disk:
Is the CD-ROM properly set in the DVD-ROM drive tray?
The tray has a holder for the optical disk. Make sure that the optical disk is placed
properly on the holder.
Isn’t the CPU/IO module isolated (i.e. off-line status)?
The DVD-ROM drive of an isolate PCI module cannot be used. If you try to mount
the DVD-ROM drive of an separated module, the OS displays the following error
message.
mount:/dev/hda is not a valid block device
If the CPU/IO module is isolated (i.e. off-line status) while the PRIMARY (active)
DVD-ROM drive is mounted, it becomes impossible to access the DVD-ROM drive
even if duplication is restored. In this case, make sure to access the SECONDARY
(stand-by) DVD-ROM drive while the other CPU/IO module is in SECONDARY
state. Note that if you access the DVD-ROM drive of the other CPU/IO module
while it is in PRIMARY(active) state and then the CPU/IO module is isolated (i.e.
off-line status), it becomes impossible to access the DVD-ROM drive even if
duplication is restored. (Reboot of the system is required for recovery.)
Is the optical disk applicable to the server?
The optical disk for Macintosh is not available for use.
Fail to access the storage:
Is the storage applicable to the server?
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