Tag Archives: mdadm
Tuning Ubuntu mdadm RAID5/6
If you are using mdadm RAID 5 or 6 with Ubuntu, you might notice that the performance is not all uber all the time. Reason for this is that the default tuning settings for Ubuntu is set to rather motdest … Continue reading
howto: Create a RAID6 with mdadm
Note: This guide discusses RAID6 but the same will work for a RAID5, the only difference is that RAID6 uses two disks for parity data while RAID5 only uses one disk. 1) Make sure that all the hard drives you … Continue reading
Howto: Increase disk space in a mdadm raid
I currently have a Ubuntu Linux server running two mdadm RAID`s. One of the RAID sets is set up using 6 x 500 GB SATA drives. Now i have purchased 6 x 1500 GB SATA drives that will replace the … Continue reading
How to get your mdadm RAID`s back after OS crash or a reinstall
If all your disks are connected, simply try a: mdadm –assemble –scan This should find and activate all your RAID systems