Supermicro X13DEG-M User Manual page 142

Super X13DEG-M User's Manual
connected and can lead to irrecoverable data or silent data corruption. This is caused
by the lack of atomicity of write operations across the disks in the RAID.
Note 2: Partial parity logging (PPL) can be defined as the result of XOR calculation
of old data and old parity. PPL is a feature available only for RAID5 volumes. While
a power/drive-failure/crash occurring, PPL information helps rebuild the RAID volume
and reduce the potential data loss.
Select RWH Journaling Drive (Available for RAID5 Only)
If a journaling drive has been created and RWH Policy is set to Journaling Drive, select a
desired journaling drive.
Create RAID Volume
Use this feature to create a RAID volume with the settings above. The options are Yes
and No.
Non-RAID Physical Disks:
This feature displays the information of non-RAID physical disk(s).
Mark as Spare
A spare disk is used for automatic RAID volume rebuilds when the status of "failed",
"missing", or "at risk" is detected on the array disk. For a RAID0 volume, only the status
of "at risk" will trigger automatic RAID volume rebuilds. Marking a disk as a spare one
will remove all data on the disk.
Mark as Journaling Drive
A journaling drive is used as an error event log to record an event when an error occurs
to a RAID5 volume. Marking a disk as a journaling drive will remove all data on the disk.
Locate LED
The feature is not applicable to this motherboard. Please ignore this feature.
Reset to Non-RAID
For a spare or journaling disk or a disk which has been added to a RAID array, you can
reset it to a non-RAID disk by taking the steps below:
Note: When resetting a disk, all data on the disk will be deleted as well
RAID Volumes:
This feature displays the information of RAID volumes that have been created earlier.
142