LSI 3ware SAS 9750-8i Uživatelská příručka stáhnout pdf (Strana 236)

3DM 2 Reference

224 3ware SATA+SAS RAID Controller Card Software User Guide, Version 10.0

When you click Remove Unit, you will be asked to confirm that you want to

proceed. When you confirm the removal, the unit number and information

will be removed from 3DM 2. (Units created in the future can reclaim this

unit number.)

The operating system is notified that the unit was removed. In Linux the

device node associated with this unit is removed. In Windows the Device

Manager will reflect the changes under the disk drives icon.

Information about the unit remains intact on the drives. This allows the drive

or drives to be reassembled into a unit again on this controller, or if moved to

another controller.

Delete Unit. Deletes the selected unit and allows you to use the drives to

create another unit. The drives appear in the list of Available Drives.

Caution: Before you click Remove Unit, make sure the unit you are removing is

unmounted from the operating system and that the system is not accessing it.

If a unit is not unmounted and you remove it, it is the equivalent of physically

yanking a hard drive out from under the operating system. You could lose data, the

system could hang, or the controller could reset.

To unmount a unit under windows, use Administrative Tools > Computer

Management > Disk Management. In the Computer Management window, right-

click on the partition and Remove the logical drive letter associated with the unit.

To unmount a unit under Linux, unmount the mount point to where the RAID unit is

mounted. For example, if you want to remove unit 0 and you know that 0

corresponds to /dev/sdb, you should unmount all partitions for sdbx (where x is the

number of the partition).

umount /dev/sdbx

Warning: Physically removing drives which are not in hot swap bays can result in

a system hang, data loss, or may even damage the system and the drive.

Caution: Before you click Delete Unit, make sure the unit you are removing is

unmounted from the operating system and that the system is not accessing it.

Devices can be unmounted through the operating system. For details, see

the

discussion under Remove Unit, above.

Warning: When a unit is deleted, the data will be permanently deleted: the drives

cannot be reassembled into the same unit. If you want to reassemble the drives on

another controller and access the existing data, use Remove Unit

instead of

Delete Unit.

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LSI 3ware SAS 9750-8i Uživatelská příručka Strana 236

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