Search results
Results from the WOW.Com Content Network
Diagram of a RAID 1 setup. RAID 1 consists of an exact copy (or mirror) of a set of data on two or more disks; a classic RAID 1 mirrored pair contains two disks.This configuration offers no parity, striping, or spanning of disk space across multiple disks, since the data is mirrored on all disks belonging to the array, and the array can only be as big as the smallest member disk.
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. One drive from each of the RAID 5 sets could fail without loss of data; for example, a RAID 50 configuration ...
RAID (/ r eɪ d /; redundant array of inexpensive disks or redundant array of independent disks) [1] [2] is a data storage virtualization technology that combines multiple physical data storage components into one or more logical units for the purposes of data redundancy, performance improvement, or both.
RAID Support: RAID-0 (SAS drives only) RAID-1 RAID-1+0 RAID-5 RAID-6. Max RAID groups: 50 Max RAID groups: 75 Max RAID groups: 100 Availability: Nondisruptive replacement of major FRU components. Nondisruptive hot-pluggable disks Nondisruptive microcode updates Hi-Track Remote Monitoring system Performance: Controller cache: 4 GB–8 GB (per ...
RAID 5E, RAID 5EE, and RAID 6E (with the added E standing for Enhanced) generally refer to variants of RAID 5 or 6 with an integrated hot-spare drive, where the spare drive is an active part of the block rotation scheme. This spreads I/O across all drives, including the spare, thus reducing the load on each drive, increasing performance.
MD can handle devices of different lengths, the extra space on the larger device is then not striped. RAID 1 – Mirror. RAID 4 – Like RAID 0, but with an extra device for the parity. RAID 5 – Like RAID 4, but with the parity distributed across all devices. RAID 6 – Like RAID 5, but with two parity segments per stripe.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
geom_raid5 is a storage module created for the FreeBSD operating system. It facilitates RAID5 functionality without the need of a hardware RAID controller.. geom_raid5 allows storage of large amounts of data to be protected against disk failure, while providing good throughput performance.