HP A3550A - High Availability Disk Arrays Model 20 Storage Enclosure User Manual page 129

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Failing Continue after
component failure?
Disk module Yes
SP No
Fan pack Yes
Power supply Yes
SCSI-2 adapter No
SCSI-2 cable No
5-6
What happens and how to recover
With RAID of any level supported by MPE/iX, applications
continue running. System Administrator or service provider
replaces module.
Disk array fails. System Administrator or service provider
replaces SP and the System Administrator restarts operating
system.
Applications continue running. System Administrator or
service provider replaces module.
If a redundant power supply module is present, applications
continue running; otherwise, disk array fails. Service provider
replaces power supply. The System Administrator restarts the
operating system if necessary.
I/O operations to array disk units fail. Authorized service
provider replaces adapter and System Administrator restarts
operating system and applications.
I/O operations to array disk units fail. Authorized service
provider replaces cable and System Administrator restarts
operating system and applications.