Installation guide

• On failure, the failing logical block number (LBN) is reported and
verification continues with the block following the failing block.
• By default, verification is performed using the current parameters
in the Error Recovery mode page. You can disable drive recovery
by using the set recovery off command.
For example:
scu> verify media lba 464388
Verifying 1 blocks on /dev/rrz14c (RZ55),
please be patient...
Verifying blocks [ 464388 through 464388 ] ...
scu> verify media starting 640000
Verifying 9040 blocks on /dev/rrz14c (RZ55),
please be patient...
Verifying blocks [ 640000 through 649039 ] ...
scu> verify media starting 1000 length 250
Verifying 250 blocks on /dev/rrz14c (RZ55),
please be patient...
Verifying blocks [ 1000 through 1249 ] ...
scu> verify media starting 1000 ending 2000
Verifying 1001 blocks on /dev/rrz14c (RZ55),
please be patient...
Verifying blocks [ 1000 through 2000 ] ...
B.5 Device and Bus Maintenance Commands
This section describes scu utility commands for maintaining SCSI devices
and the CAM I/O subsystem.
The following command changes the mode pages for a device:
change pages
[ mode-pages...] [pcf page-control-field]
The program prompts you with a list of the page fields that are marked as
changeable. If you do not specify a mode page, all pages supported by the
device are requested for changing. After you enter the new fields for each
page, you use a mode select command to set the new page parameters.
The
mode-page argument describes the mode page to change. The mode
pages are as follows:
scu Keyword Page Code Description
error-recovery
0x01 Error recovery page
disconnect
0x02 Disconnect/reconnect page
direct-access
0x03 Direct access format page
geometry
0x04 Disk geometry page
flexible
0x05 Flexible disk page
cache-control
0x08 Cache control page
SCSI/CAM Utility Program B–9