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Old 12-22-2010, 06:55 AM   #1
mohdsuboor23
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Registered: Sep 2010
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how to access auto raid hard drive component


Hi everyone actually i have harddrive on which raid 5 is configure and no file system is configured.so i want to access the data on auto raid component harddisk.could any one telme how to access auto raid component hard drive.when im connectingto my laptop its not opening.when i check in disk analyzer its showing auto raid component harddrive.please helpme to access data inside the raid drive.
 
Old 12-23-2010, 06:00 PM   #2
Zetec
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Distribution: Debian, Ubuntu, W7, openSUSE, Centos
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This link should help you.

http://www.debianhelp.org/node/6984

Let me know how you get on.
 
Old 12-23-2010, 06:58 PM   #3
oznola
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Registered: Mar 2010
Location: las vegas, nv
Distribution: debian etch, kubuntu, mac osx 10.51, vista
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hi,

i am having a similar issue. i have just setup my first raid 1 on a netbook run by ubuntu 10.10 using a pair of 4gb usb sticks.

the output from mdadm -query is ...

Quote:
af@jayne:~$ sudo mdadm --query --detail /dev/md*
/dev/md0:
Version : 00.90
Creation Time : Thu Dec 23 11:32:19 2010
Raid Level : raid1
Array Size : 3687360 (3.52 GiB 3.78 GB)
Used Dev Size : 3687360 (3.52 GiB 3.78 GB)
Raid Devices : 2
Total Devices : 2
Preferred Minor : 0
Persistence : Superblock is persistent

Update Time : Thu Dec 23 14:11:22 2010
State : clean
Active Devices : 2
Working Devices : 2
Failed Devices : 0
Spare Devices : 0

UUID : 74380809:d00ffa12:ef32bd85:f9dc5bba
Events : 0.58

Number Major Minor RaidDevice State
0 8 17 0 active sync /dev/sdb1
1 8 33 1 active sync /dev/sdc1
af@jayne:~$
subsequently i believe the raid is correctly setup and addressable under /dev/md0.

however i believe that in order to mount the raid and use it i must add /dev/md0 to /etc/fstab or /etc/mtab. i am unsure which file to change. (as zetec has articulated with his link)

i don't think i need to reformat anything.

so my proposal is to add something like..

/dev/md0 /media/raid1 ext4 <options?> <dump?> <pass?>

... to /etc/fstab
but i do not know what to use for <options> <dump> or <pass> because it is a usb raid and there is no example on my system to follow.

also i should have to add the mount point /media/raid1 but i am unsure how to go about it.

forgive me if i am walking on the thread but i think mohdsuboor23 and i have a similar solution path to our respective problems.

please advise.

Last edited by oznola; 12-23-2010 at 07:06 PM.
 
  


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