SCF Reference Manual for the Storage Subsystem (G06.28+, H06.05+, J06.03+)

Wild-card characters are supported.
OUT file-spec
directs all SCF output to the specified file.
DISK $disk
is the name of the disk. This disk must be in the STARTED state.
POOL $pool
specifies that the command is performed only on physical disks associated with the specified
storage pool.
SEL state
specifies that the command affects only devices in the specified state.
SUB { ALL | MAGNETIC | VIRTUAL }
specifies that the command affects only disks of the specified type. The default is ALL.
SUPERONLY
specifies that only the super ID (255,255) is allowed to open a file on the specified volume.
To allow all users to open files on this volume, enter an ALLOWOPENS command without
SUPERONLY.
See “Attribute Descriptions for Disk Commands” (page 198) for descriptions of all attributes for disk
commands.
ALLOWOPENS DISK Examples
See “Allowing File Opens on a Disk” (page 109).
• To allow files to be opened by applications on the disk $DATA00:
-> ALLOWOPENS $DATA00
• To prevent files from being opened by anyone other than super ID (255, 255) on the disk
$DATA14:
-> ALLOWOPENS $DATA14, SUPERONLY
ALTER Command
The ALTER command changes the configuration attributes of an object.
Supported objects are:
• “ALTER DISK Command” (page 228)
• “ALTER MON Command” (page 232)
• “ALTER POOL Command” (page 233)
• “ALTER PROFILE Command” (page 236)
• “ALTER SCSI Command” (page 237)
• “ALTER SUBSYS Command” (page 240)
• “ALTER TAPE Command” (page 241)
ALTER is a sensitive command.
ALTER DISK Command
The ALTER DISK command changes attribute values for an existing physical or virtual disk on your
system. The syntax is:
ALTER [ / OUT file-spec / ] DISK $disk
[ , LIKE object ] [ , attribute-spec ]...
228 Storage Subsystem Commands