Appendix J Maintenance of TOSHIBA RAID

Appendices

Change RAID Level

To change RAID level, select [Modify Array] menu. When changing RAID-1 (Mirroring) to RAID-0 (Striping), refer “Changing RAID-1 to RAID-0”. When changing RAID-0 to RAID-1, refer “Changing RAID-0 to RAID-1”.

Changing RAID-1 to RAID-0 working by one drive

When changing RAID-1 array working by two drives to RAID-0 working by one drive, follow the procedure below.

1.Select [Modify Array] in [Main Menu].

2.In [Modify Array], select array [LDx] that you want to change.

3.In [Modify Array], select [RAID-1 -> RAID-0].

4.In [Physical Drive] select one drive, which is used as RAID-0, and press Space key

5.After selecting a drive, press Enter key. When [Confirmation] is displayed, select “OK” to store the setting.

Changing RAID-0 working by one drive to RAID-1

To change RAID-0 working by one drive to RAID-1 working by two drives, follow the procedure below.

1.Select [Modify Array] in [Main Menu].

2.In [Modify Array], select array [LDx] that you want to change.

3.In [Modify Array], select [RAID-0 -> RAID-1].

4.Select a drive in the condition of [OFFLINE] in [Physical Drive], which is expanded as RAID-1 with Space key. After selecting drive, [Status] changes to [REBUILDING]. The capacity of drive that is newly added must be same/more as/than original drive. The drive in the condition of [Fail] can not be incorporated.

5.After selecting a drive, press Enter key. When [Confirmation] is displayed, select “OK” to store the setting.

6.Select [Resume Rebuild] in [Main Menu], or select [Exit] to exit from Independent Utility. When automatic rebuilding is set in OS, rebuilding starts automatically after booting OS.

7.During rebuilding, the progress is displayed in [Physical Drive]. Suspending or aborting is possible.

8.When the rebuilding is completed, message is displayed. Select “OK”.

TECRA S3 Maintenance Manual (960-532)

[CONFIDENTIAL]]

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Toshiba S4 manual Change RAID Level, Changing RAID-1 to RAID-0 working by one drive