# Logical drive [number] object

Use this object, in the Logical devices view, to work with a logical drive or to display its properties.

Notes:

1. ServeRAID SCSI controllers support a maximum of eight logical drives.
2. The ServeRAID-7t SATA controller supports a maximum of 24 logical drives.
3. The ServeRAID-8i SAS controller supports a maximum of 128 logical drives.
4. HostRAID controllers support a maximum of 2 logical drives.
5. An integrated RAID controller supports a maximum of one logical drive.

## Possible subobject

- None.

## Warning and error conditions

- (warning) is displayed if the logical drive is in a critical, critical migrating, or critical system state. It is also displayed if a physical drive in the logical drive is a defunct drive or a defunct hot-spare drive.
- (error) is displayed if the logical drive is in a blocked or offline state.
- (initialize) is displayed when the logical drive is initialized (ServeRAID-8i, ServeRAID-7t, HostRAID controllers only).
- (build/modify) is displayed during a logical-drive migration (ServeRAID-8i, ServeRAID-7t, HostRAID controllers only).
- (FlashCopy) is displayed if the logical drive is a FlashCopy backup (ServeRAID-8i, ServeRAID-7t controllers only).

## Actions

Note: Not all actions are supported on all controllers.

- Delete logical drive
- Initialize logical drive
- Clear logical drive
- Synchronize logical drive
- Enable read-ahead cache
- Expand or change logical drive
- If a logical drive is blocked, unblock logical drive
- Identify logical drive [number]
- Create FlashCopy
- Remove FlashCopy

  The following actions are supported for networked storage only (enclosures):

- Configure access control list
- Configure target information
- Increase logical drive capacity

  The following action is supported in bootable-CD mode only, except for ServeRAID-8i and ServeRAID-7t controllers:

- Change write-cache mode to write back or write through

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