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2
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2answers
246 views

Reassemble RAID 1 array from old system

I recently upgraded my OS from RHEL 5 to 6. To do so, I installed the new OS on new disks, and I want to mount the old disks. The old disks are listed as /dev/sdc and sdd in the new system, they were ...
1
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1answer
1k views

Removing raid metadata from drives

Normally when I have a drive which contains raid metadata e.g. from fakeraid or a hardware raid card I can get rid of it with: dmraid -r -E /dev/sdX Or if that doesnt work, doing a simple dd ...
0
votes
0answers
97 views

dmraid lists disk as “spare”, even though it was part of the array

It was setup as a RAID5, 4 disk array of /dev/sdc -> /dev/sdf. sdf failed, leaving the array in a degraded but operational state. A misguided attempt to restore the array led to one of the working ...
1
vote
1answer
1k views

Rebuilding a dmraid RAID10 array

Q: How do I force a rebuild? The following describes the scenario. I've been experimenting with forcing a RAID10 to rebuild, so I could see what dmsetup status output should look like when a RAID is ...
0
votes
2answers
384 views

Headless server with an mdraid array won't boot

I'm in a bit of a pickle. I have a headless server (Acer EasyStore) running Ubuntu 12.04.1, which, after an update, now refuses to boot. It has four disks, one of which holds the OS in a partition and ...
1
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1answer
1k views

Linux - dmraid (or mdadm) - Rebuild RAID 10

A while ago I had a raid10 config crap out on me, and am now just getting around to trying to salvage the array so I can rebuild and move on with my life. Basically a drive in each subset failed, ...
0
votes
1answer
89 views

RAID5 Bad Superblock, not booting to OS

I've been running Ubuntu 12.04 LTS for about 6 months on a computer that has 3 180gb SSDs in EXT4 RAID5 configured through the motherboard's BIOS. The OS froze and computer had to be forced down. On ...
2
votes
2answers
2k views

Damaged XenServer Storage LVM partition table [closed]

I have a homeserver running under XenServer control with 3x1TB discs inside, one for XenServer and two mirrored(using Intel's fakeRAID and dmraid) for VMs and a user data(but now I think RAID didn't ...
-1
votes
2answers
926 views

Determining the software RAID configuration on an Ubuntu server

I have an Ubuntu box which was installed by an admin who is not with me now. I have no information on how he configured the RAID and neither no experience on setting up a software RAID on Linux ...
1
vote
2answers
2k views

Rebuilding a Raid 1

I'm trying to rebuild a raid 1 (dmraid+isw) unsuccessfully. I replaced the failed disk with a new one and the BIOS added it automatically to the raid. Running kernel 2.6.18-194.17.4.el5. dmraid -r ...
0
votes
1answer
501 views

Replace dmraid raind1 disk in CentOS 6

Replaced a bad /dev/hdb, and try to rebuild the raid1, but something wrong like: dmraid -dddvvv -R isw_chgadgfjjg_raid1 /dev/sdb WARN: locking /var/lock/dmraid/.lock WARN: missing dm serial file for ...
0
votes
1answer
2k views

SCSI error: return code = 0x08000002, sense key: Aborted Command

The kernel logs: ata2.00: exception Emask 0x0 SAct 0x7fffffff SErr 0x0 action 0x0 ata2.00: irq_stat 0x40000008 ata2.00: cmd 61/08:f0:6f:5b:97/00:00:00:00:00/40 tag 30 ncq 4096 out res ...
1
vote
2answers
3k views

RAID bus controller: Intel Corporation 82801JIR (ICH10R) SATA RAID Controller

RAID bus controller: Intel Corporation 82801JIR (ICH10R) SATA RAID Controller Subsystem: Super Micro Computer Inc Unknown device 0007 Is any one know which Linux utility I can install on my ...
1
vote
0answers
62 views

General software RAID operation question

I'm using dmraid on Ubuntu Maverick, and I am trying out some tests using RAID10 - I would like to confirm if I should be seeing the following: When I cause one RAID member disk to fail (so I've got ...