This guide shows how to remove a failed hard drive from a Linux RAID1 array ( software RAID) how to add a new hard disk to the RAID1 array without losing data. This is not a comprehensive list by any means but this should give you a jumpstart on some of the common Linux gaRAID SAS 9380- 8e Designed for hyperscale , enterprise datacenters requiring external JBOD storage with advanced data protection from: main XFS faq at SGI Many thanks to earlier maintainers of this document - Thomas Graichen Seth Mos.
Redundant Array of Independent Disks ( RAID) is a storage technology that combines multiple hard disks into a single logical unit to provide fault- tolerance and/ or improve disk I/ O performance. Does a fake RAID controller do any useful work or is it just like a place where to store the parameters?
I know that Linux offers much more flexibility than my poor on- board controller, but this is. Tweaking, tuning and troubleshooting.
ZFS is scalable, and includes extensive protection against data corruption, support for high storage capacities, efficient data compression, integration of the concepts of filesystem and volume management, snapshots and copy- on- write clones, continuous integrity checking and automatic repair, RAID- Z, native. RAID 50, also called RAID 5+ 0, combines the straight block- level striping of RAID 0 with the distributed parity of RAID 5. As a RAID 0 array striped across RAID 5 elements, minimal RAID 50 configuration requires six drives. On the right is an example where three collections of 120 GB RAID 5s are striped together to make 720 GB of total storage space.