H3C UniServer R4300 G6, User Manual

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# Set the cache write policy to write back.
[root@localhost Firmware]# arcconf setcache 1 logicaldrive 0 wb
Controllers found: 1
WARNING: Power failure without battery/ZMM support will lead to data loss.
Do you wish to continue?
Press y, then ENTER to continue or press ENTER to abort: y
Command completed successfully.
Erase data on a data disk
Perform this task to start or stop erasing data on a data disk.
Syntax
arcconf task start controller_id device channel_id slot_id secureerase
arcconf task stop controller_id device channel_id slot_id
Parameters
controller_id
: Specifies the ID of the storage controller.
channel_id
: Specifies the channel ID of a drive.
slot_id
: Specifies the device ID of a drive.
Examples
# Start to erase data on the physical drive with device ID 15.
[root@localhost Firmware]# arcconf task start 1 device 0 15 secureerase
Controllers found: 1
Secure erase of a Hard drive is a long process.
Warning: Rebooting the machine would stop the Secure erase task.
Are you sure you want to continue?
Press y, then ENTER to continue or press ENTER to abort: y
Secure Erasing Channel 0, Device 15.
Command completed successfully.
# Stop erasing data on the physical drive with device ID 15.
[root@localhost Firmware]# arcconf task stop 1 device 0 15
Controllers found: 1
Command completed successfully.
Force a physical drive to go offline
Perform this task to force a physical to go offline.
Syntax
arcconf setstate controller_id device channel_id slot_id DDD