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Old 08-22-2008, 05:19 PM   #1
itplanett
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Registered: Aug 2008
Posts: 4

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Post I have created RAID one through DiskDruid unable to hotadd and re-build array


Below is my partitions
--------------------------------
[root@localhost ~]# cat /proc/mdstat
Personalities : [raid1] [raid6] [raid5] [raid4]
md0 : active raid1 sdb1[1] sda1[0]
513984 blocks [2/2] [UU]

md1 : active raid1 sda3[0] sdb3[1]
309492160 blocks [2/2] [UU]

unused devices: <none>
[root@localhost ~]#
--------------------------------
Using MDADM, i get the following
--------------------------------
[root@localhost ~]# mdadm /dev/md0 --add /dev/sda1
mdadm: Cannot open /dev/sda1: Device or resource busy
[root@localhost ~]#
--------------------------------
i've created the array's following the guide
http://www.ping.co.il/node/1

and I've attempted to perform the hotadd operation in rescue mode booting with DVD.
I do not have any raid option's in my bios.

What am I missing?

Your assistance will be much appreciated.

Thank you,
Nathan.
itplanett@gmail.com
 
Old 08-23-2008, 12:45 PM   #2
stress_junkie
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Registered: Dec 2005
Location: Massachusetts, USA
Distribution: Ubuntu 10.04 and CentOS 5.5
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I've never had much luck with hot swapping RAID drives, even with expensive enterprise RAID hardware. You are better off to replace the bad disk, rebuild the array, then restore from backup.
 
Old 08-24-2008, 03:46 AM   #3
itplanett
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Registered: Aug 2008
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I have created RAID one through DiskDruid unable to hotadd and re-build array

The thing is, these are brand new SATA2 hard drives and this is a brand new installation of fedora 9 with all updates and kernel updates. I've followed every step accurately as outlined in the documentation.

even the mdadm --stop /dev/md0 returns a message saying "device or resource busy". I've looked around and am unable to get any leads on this.
 
Old 01-06-2009, 10:43 AM   #4
natbrazil
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Registered: Aug 2003
Posts: 17

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I have "exactly" the same problem, any advice would be greatly appreciated
 
  


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