A linux utility used to manage software RAID devices.
2
votes
2answers
412 views
Recovery of data on raid5+lvm reiserfs partition, after raid5 problems
I've got a server with 3 sata hard drives. Each has 2 partitions: one small is part of /dev/md0, a raid1 array (/boot), rest is part of a raid5 array (/dev/md1), which is an lvm physical volume. ...
4
votes
0answers
125 views
How do I recover a broken software RAID5 array?
Ack, I think I screwed up bad. I had a power failure on a RAID5 array which caused the metadata to be inconsistent between drives.
I followed the advice here except a case of fat fingers caused me to ...
2
votes
0answers
97 views
Disable RAID auto detect at runtime
In Linux, I'm partitioning two disks for RAID1 with fdisk. The first disk partitioning succedes, but the second fail because the raid starts automatically and occupy also the second disk (why? it ...
2
votes
0answers
212 views
Recover MDADM Raid 5 in LVM with badblocks
I'm pretty sure I'm dealing with at stuffed RAID 5 array. Two of the drives were listed as failed in /proc/mdstat and mdadmdetails:
0 0 8 33 0 active sync /dev/sdc1
...
2
votes
0answers
222 views
Software raid checksumming slow
On my new 24 disk array I get 900 MB/s of raw read or write using dd to all the disks.
When I set the disks up as a 24 disk RAID6 I get 400 MB/s write and 600 MB/s read. It seems to be due to ...
0
votes
0answers
32 views
Change numbers in the Number column to be consecutive from 0 for an mdadm RAID array
I have a RAID 1 array:
# mdadm --detail /dev/md0
/dev/md0:
Version : 1.2
Creation Time : Thu Oct 18 21:52:43 2012
Raid Level : raid1
Array Size : 1048564 (1024.16 MiB 1073.73 MB)
...
