[mdlug] Damaged Image recovery

Michael Mikowski z_mikowski at yahoo.com
Thu Oct 1 15:03:28 EDT 2009


I've been using Software RAID level 1 on Linux for about 10 years.  Its a very solid solution -- the load on the system is virtually nill, and reads are faster (writes are about the same speed, IIRC).  Look for 'mdadm' for setting it up.

The disk topology I've used is:

1 SATA System Disk
2 SATA Data Disks

The data disks are exactly the same capacity and model.  Then I create 1 or 2 partitions on each and create RAID devices (again, see mdadm).  I mount data I care about on the RAID devices, e.g. /home.  Any system settings in /etc can be backed up to the RAID through a cronjob rsync.




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