Invalid RAID Superblock Magic

Posted on 2009-05-27
Medium Priority
Last Modified: 2013-12-15
Hi All,

I have a Supermicro machine running on centos 5.3 with 3ware 9650SE controller.

I run Software RAID 1 for sda and sdb to host / /root and swap. no error

I configured the remaining hdd (14) to run RAID 6 with spare. RAID 6 and spare was created according to my requirement but once reboot the entire RAID is gone. Also i notice the following message when booting the system

Invalid RAID Superblock Magic sdc1 all the way till sdp1

Any idea how to fix the problem ?
Question by:IIMSExpert
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Expert Comment

ID: 24493088
- When you say the entire RAID, you mean both RAID 1 and 6?
 - Are they both software RAIDs?

Expert Comment

ID: 24497590
Based on youre question I assume..
Raid 1 is software raid.
Raid 6 you are trying to do hardware raid based on the controller?
Raid 6 requires 4 drives; you do have that currently set up right? Wasn't sure based on your question.

Author Comment

ID: 24497595
Only for RAID 6
RAID 1 is healthy
Both running on software raid

Expert Comment

ID: 24517460
9650SE Series

    * Officially supported Linux distributions (x86 & x86_64) versions
          o RedHat EL4 Update 4
          o RedHat EL 5 / EL 5 (update1)
          o SuSE Professional 10.1
          o SuSE Enterprise (SLES) 10
          o Fedora Core 5
    * Other Linux distributions supported with drivers in 3ware KB article 14546 http://www.3ware.com/KB/article.aspx?id=14546 (x86 & x86_64) versions unless stated otherwise
          o RedHat 7.3/8.0/9.0 (x86)
          o RedHat AS/ES/WS3original/update1/update2/update3/update4/update5/update6/update7/update8
          o RedHat AS/ES/EL4 original/update2/update3/update4
          o CentOS 3.0/3.1/3.2/3.3/3.5/3.6/3.7/3.8
          o CentOS 4.0/4.2/4.3/4.4
          o CentOS 5.0/5.1
          o Fedora Core 3/4/5/6
          o SuSE Linux Professional 9.3/10/10.1/10.2
          o SuSE Linux Enterprise Server (SLES) 9 SP2/SP3
          o Mandriva
          o Debian Sarge 3.1
          o Debian Sarge 4.0 etch
          o Scientific Linux 3.08/4.2/4.4
          o Ubuntu Linux 6.06/6.1
          o Slackware 10.2
          o ClarkConnect 3.2
          o ClarkConnect Community Edition 4.0
          o OpenSolaris

    * Linux 2.6.19 kernel or greater includes a driver for the 9650SE and 7000/8000/9500S/9550SX(U)/9590SE series controllers
    * All 9650SE drivers are backward compatible and can be used with the 9500S/9550SX(U)/9590SE/9650SE series controllers

What kernel are you installing? It seems the system is missing a driver for the controller.

Accepted Solution

IIMSExpert earned 0 total points
ID: 24522277
Running on Centos 5.3
kernel version  2.6.18-128.el5

It shouldnt be the controller card as there isnt any issue with sda and sdb. (same hdd but running on RAID1 and have mulitple partition)

I was told that the problem might be due to superblock stored each HDDS. Due to time issue, I have reinstall the entire system but instead of building the RAID6 myself with mdadm, i uses the installation console to help with the RAID and it work fine now.

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