Recovery Sed - Fujitsu ETERNUS DX60 S3 User Manual

Chapter 5 RAID Group Management

5.9 Recovery SED

5.9 Recovery SED
This function recovers the RAID groups that are in locked status.
"Locked status" indicates that the RAID group is blocked because the SED authentication key could not be
obtained from the key server.
Conditions that can be recovered by using the "Recovery SED" function
• Locked status when enabling or forcibly enabling a disk
• Locked status when forcibly recovering or forcibly enabling a RAID group
• Locked status when recovering from DE failure
• Locked status when applying disk firmware
• Locked status when starting an operation after a disk has been stopped by the Eco-mode
• Locked status when communication with the key server failed when starting or rebooting the ETERNUS DX
S3 series
• The ETERNUS DX60 S3 does not support this function.
• This function can only be used to recover locked RAID groups. This function cannot be used for recovering
blocked RAID groups that occur due to errors that are not listed above. Recovery operation of RAID groups
for which the status is "
that the [Recover RAID Group] function can be performed by a maintenance engineer who has the
"Maintenance Operation" policy.
• SED recovery from locked status is performed according to the "Recovery Mode" setting of the key group.
The "Recovery Mode" setting can be checked in the [Key Group] screen. Refer to "Key Group" in "ETERNUS
Web GUI User's Guide (Operation)" for details.
- When "Recovery Mode" is "Automatic", the ETERNUS DX S3 series monitors the RAID group periodically.
If a locked RAID group is detected, recovery is performed on the RAID group by the ETERNUS DX S3
series automatically.
- When "Recovery Mode" is "Manual", use this function to manually recover the locked RAID group.
• "Recovery Mode" can be specified when creating a key group. Refer to
172) for details.
• This function can be used even if a key group is not created or no locked RAID groups are exist. If there are
no locked RAID groups that can be recovered, this function completes successfully.
Broken" can be performed by using the [Recover RAID Group] function. Note
554
ETERNUS Web GUI User's Guide (Settings)
Copyright 2015 FUJITSU LIMITED
"1.11.5 Create Key Group" (page
P2X0-1270-13ENZ0