From: srikanth srikanth (kanthsri27@hotmail.com)
Date: Wed Dec 17 2003 - 23:20:49 EST
Hi,
Here My A1000 is connected to Windows System.
Iam not able to use the Raid in windows system and displays the following
error in RaidManager 6.0 and 3 hard disks are showing replaced and one hard
disk as optimal, and in LUNs status it shows dead.
Detailed Status
Host: COMPAQ
Module: ih028_002
Affected Tray: -
Affected Components: Dead LUN - Awaiting Format
Controller A: 1T02081424 ( Drive0 )
Drive(s): [1,0], [2,0], [1,1]
Affected LUNs: 00
LUN Status: Dead
RAID Level: 5
Probable Cause
This condition is caused by either (1) unformatted LUNs containing drives
with a Replaced status. This is a result of failed drives that were replaced
but the LUN was never formatted, or (2) failed or unresponsive drives that
were caused by a channel failure.
Important
Fix any channel failures reported in the Summary Information screen of the
Recovery Guru before proceeding with the steps below. Fixing the channel
failure first may prevent restoring data from backups.
Recovery Steps
1. Format all LUNs in this drive group:
o In the Recovery Application, make sure the affected RAID Module is
selected.
o Select Options >> Manual Recovery >> Logical Units from the top menu bar.
Highlight the LUNs with a Dead status and then select Format. The LUN states
will transition from Dead to Formatting, then Optimal.
2. Re-run the Recovery Guru to ensure the the failure has been fixed.
3. Add the LUN(s) back to the operating system (you may need to reboot the
system to see the LUNs).
NOTE: Do NOT start I/O to these LUNs until restoring from backup.
4. Restore the data for these LUNs from backup.
Additional Notes
o If the Format attempt fails and this drive group contains multiple LUNs,
try the following:
a. Highlight the Replaced drives and select Fail. Wait for the drives to
transition to a Failed status.
b. Highlight these drives again and select Revive.
c. Format these LUNs.
o If you attempt to Format the LUN(s) before the replaced drives are ready
(completed spinning up), a 'format error' panel will appear. If this occurs,
wait until the replaced drives are ready (fault light Off) and try to Format
again.
o In a multiple LUN drive group, the Replaced drives' fault lights may come
On and Off in preparation for formatting the LUNs.
Kindly help me retriving the LUN Back as the data is very important.
Regards,
M.Srikanth
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