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Disk Drives: Monitoring and Recovery
HP Integrity NonStop NS-Series Operations Guide — 529869-005
10 -12
Recovery Operations for Disk Drives
Recovery Operations for Disk Drives
These SCF commands control DISK objects:
For more information, see the
SCF Reference Manual for the Storage Subsystem.
Command
Description
ABORT
Terminates the operation of a disk drive immediately, leaving it in the
STOPPED state, HARDDOWN substate.
ALTER
Changes attribute values for a storage device.
BYPASS
Bypasses one or more disks in a Fibre Channel disk-drive enclosure.
CONTROL
Issues disk-specific commands.
PRIMARY
For a disk drive, causes the backup processor to become the primary
processor and the primary processor to become the backup processor.
RENAME
Changes the name of a disk drive.
RESET
Puts a disk drive in a state from which it can be restarted.
START
Initiates the operation of a disk drive.
STOP
Terminates the operation of a disk drive in a normal manner.
SWITCH
Switches paths to a disk drive.
Table 10-3. Common Recovery Operations for Disk Drives
(page 1 of 2)
Problem
Recovery
Free-space
fragmentation
Use the Disk Compression Program (DCOM) to consolidate disk space.
See
Disk Compression Program (DCOM)
on page B-2.
Disk full
1.
Use DSAP to identify large, old, and little used files.
2.
If you are authorized:
•
Use the BACKUP utility to back up these disk files to tape and then
purge them from the disk. Do not purge important system files.
•
Move files to another disk. Do not move important system files.
•
Ask users to purge files.
For more information about these utilities, see
BACKUP
on page B-2 and
Disk Space Analysis Program (DSAP)
on page B-2.
Down disk or
disk path
Recovery Operations for a Down Disk or Down Disk Path
on page 10-14
Defective
sectors
If you are authorized, use the SCF CONTROL DISK, SPARE command to
spare defective sectors. For information on reinitializing the disk drive, see
the
SCF Reference Manual for the Storage Subsystem
.
Disks come formatted from HP. No disk format utility is available. Return
any disk that requires formatting to HP.
Содержание Integrity NonStop NS-series
Страница 150: ...Disk Drives Monitoring and Recovery HP Integrity NonStop NS Series Operations Guide 529869 005 10 16 Related Reading ...
Страница 176: ...Power Failures Preparation and Recovery HP Integrity NonStop NS Series Operations Guide 529869 005 14 6 Related Reading ...
Страница 224: ...Creating Startup and Shutdown Files HP Integrity NonStop NS Series Operations Guide 529869 005 16 24 TMF Shutdown File ...
Страница 242: ...Related Reading HP Integrity NonStop NS Series Operations Guide 529869 005 C 6 ...
Страница 252: ...Converting Numbers HP Integrity NonStop NS Series Operations Guide 529869 005 D 10 Decimal to Hexadecimal ...
Страница 258: ...Safety and Compliance Statements 6 Important Safety Information ...
Страница 266: ...Index HP Integrity NonStop NS Series Operations Guide 529869 005 Index 8 Special Characters ...