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I received message RAID ALERT but i did't know what it tell

Dear all,

Please explain to me about this alert.

thanks for every informations

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Subject: Warning <Hardware> : RAID ALERT: RAID disk 1: TIMEOUT - WRITE_DMA retrying

body:
The Warning message is:

A RAID-event has occurred:

RAID disk 1: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=33917759
RAID disk 1: FAILURE - device detached
RAID ar0: WARNING - mirror protection lost. RAID1 array in DEGRADED mode
RAID disk 1: attempting bad block recovery on disk 0 for lba 33571391
RAID disk 1: attempting bad block recovery on disk 0 for lba 28492223
RAID disk 1: attempting bad block recovery on disk 0 for lba 33916735
RAID disk 1: attempting bad block recovery on disk 0 for lba 127
RAID disk 1: attempting bad block recovery on disk 0 for lba 143
RAID disk 1: attempting bad block recovery on disk 0 for lba 90287
RAID disk 1: attempting bad block recovery on disk 0 for lba 33921855
RAID disk 1: attempting bad block recovery on disk 0 for lba 60700095
RAID disk 1: attempting bad block recovery on disk 0 for lba 70798700
RAID disk 1: attempting bad block recovery on disk 0 for lba 7391871
RAID disk 1: detached

Version: 5.1.1-003
Serial Number: xxxxxxxxxxxx-xxxxxxx
Timestamp: 19 Apr 2009 17:34:09 +0700


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Edit:
I knew this problem is Hardware error (Raid degraded)

2 REPLIES
Cisco Employee

Re: I received message RAID ALERT but i did't know what it tell

The raid subsystem is trying to mark bad blocks it has found on drive 1 ( second physical drive ) so that they are no longer used.

If you continue to receive such errors, you can request an RMA for a new drive from Customer Support. Actually, you can request one now, and have a replacement drive shipped out to you :)

New Member

Re: I received message RAID ALERT but i did't know what it tell

RAID disk 1: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=33917759 
RAID disk 1: FAILURE - device detached
RAID ar0: WARNING - mirror protection lost. RAID1 array in DEGRADED mode


I would ask for replacement drive immediately... this message (as I interpret it) tells me that Disk 1 is detached from the RAID, meaning you have only one drive left in your RAID1. (which means you are NOT redundant anymore)

If you have the possibility to get physical access to your device you can always check the LED status on the disks.

Steven

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