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-   -   Raid Question (https://www.linuxquestions.org/questions/linux-newbie-8/raid-question-613255/)

aniketgore 01-13-2008 06:10 AM

Raid Question
 
1)I have configured RAID in rhel 5 but if i restart the system it becomes inactive and if i set the label to the file system using red they become active................Why like this

2)If i make a raid 1 or 5 or 0 with two partitions with mdadm command and then i added a third partition it shows it as spare only...................How to make it active?

3)How to stop raid and how to view the contents of the mirrored raid partition?

4)How to recover a partition in raid(if i am using mirroring)?

Jirka11 01-13-2008 02:37 PM

Quote:

Originally Posted by aniketgore (Post 3020871)
1)I have configured RAID in rhel 5 but if i restart the system it becomes inactive and if i set the label to the file system using red they become active................Why like this

2)If i make a raid 1 or 5 or 0 with two partitions with mdadm command and then i added a third partition it shows it as spare only...................How to make it active?

3)How to stop raid and how to view the contents of the mirrored raid partition?

4)How to recover a partition in raid(if i am using mirroring)?

1) you have some error there, try to read some howto http://gentoo-wiki.com/HOWTO_Gentoo_..._Software_RAID

2) you can not add the third drive to raid 1, try to read man mdadm

3) stop raid by mdadm command, or /etc/init.d/mdadm stop or /etc/init.d/raid stop, but it depends on your distro.

5) To view or to recover raid, you have to boot from some boot linux CD and after that you could mount only one partiton from raid or add next partition to raid.
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