Recover Software Raid 10 On CentOS 6.3
The setup is 4 1TB drives running RAID10. I was using the Gnome Disk Utility to verify the integrity of the array (which is a 500MB mirrored md0 and the rest a R10 md1).I believe one of the drives is...
View ArticleMdX And Mismatch_cnt When Building An Array
CentOS 6.3, x86_64.I have noticed when building a new software RAID-6 array on CentOS 6.3 that the mismatch_cnt grows monotonically while the array is building:# cat /proc/mdstat Personalities :...
View ArticleWhat’s The Odds?
What’s the odds of retaining the data in a software raid-1 array when falling back to CentOS 5.8 x86_64 from CentOS 6.3 x86_64? The array is made up of 2 – 1.5 TB hard disks. The original array was...
View ArticleMdadm: Hot Remove Failed For /dev/sdg: Device Or Resource Busy
Hello all,I have run into a sticky problem with a failed device in an md array, and I asked about it on the linux raid mailing list, but since the problem may not be md-specific, I am hoping to find...
View ArticleStrange Behavior From Software RAID
Somewhere, mdadm is cacheing information. Here is my /etc/mdadm.conf file:more /etc/mdadm.conf # mdadm.conf written out by anaconda DEVICE partitions MAILADDR root array /dev/md0 level=raid1...
View ArticleHow To Replace A Raid Drive With Mdadm
Hi allIf we loose a drive in a raid 10 array (mdadm software raid) what are the steps needed to correctly do the following: - identify which physical drive it is - replace the drive - add the new drive...
View ArticleHP ProLiant DL380 G5
I have CentOS 6.x installed on a “HP ProLiant DL380 G5″ server. It has eight 750GB drives in a hardware RAID6 array. Its acting as a host for a number of OpenVZ containers.Seems like every time I...
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