HP NetServer AA 4000 HP NetServer AA 6200 Solution Release 3.0 Administrator&a - Page 123

Chapter 5 Commands IOPn.Diskx Enable Mirrored Disk Warning: Using this command may cause the other member of this mirror set to become the target of a mirror set copy. Read all instructions in this section before continuing. This command attempts to enable a mirrored SCSI disk, indicated by Diskx, that is disabled or faulted. The disk is enabled without having to reboot the IOP under most circumstances. A disk is faulted when it cannot respond to a read or write request. The disk's failure to respond to a read or write request may be transient or permanent. For example, a transient failure may be the result of improper SCSI cable termination, resulting in an intermittent failure. A permanent failure may be the result of a faulted disk component correctable only by disk replacement. This command is used to enable a disk that had a transient failure. If the disk has experienced a permanent failure, it must be replaced. For instructions about how to replace a disk, refer to Replacing a Failed Mirrored Disk on page 236. A disk is also regarded as faulted if it failed during previous operation of its IOP. For example, if a disk experienced read or write errors and was deemed to be faulted, then the faulted state would remain across IOP reboots, even if you replaced the faulted disk. In this case, you must explicitly enable the disk to clear its faulted condition. Command IOPn.Diskx Enable Mirrored Disk Console Syntax MTCCONS IOPn.Diskx Enable Mirrored Disk Variables n - the ID number of the IOP (1 or 2) x - the ID number of the SCSI disk Results The disk remirroring process is initiated, if necessary. If a disk is enabled and it becomes a mirror copy target, but the copy has not started yet, the disk remains offline until the copy begins; it does not transition to online until the mirror copy begins. If this command does not succeed, examine the event log for details. You must shut down the applicable IOP as part of the problem resolution process. See Also IOPn.Diskx Reset Mirror Copy IOPn.ScsiProvider Show Mirror Status 107