The greatest worry of system administrators in IT departments used to be server and system downtime and the possibility of losing data. Storage system threats such as viruses, malicious users, and disk crashes were certainly high on this list. In recent years, however, system administrators in the well-funded Fortune 500 IT departments have worried less since they were able to afford RAID products. RAID, or redundant arrays of independent disks, provides additional data integrity and an I/O throughput boost for SCSI storage systems. This includes enterprise-class RAID functionality such as “n-way mirroring” (RAID1n), online raid-level migration (ORLM) and array “hiding” that has typically been priced beyond the reach of individual workstation and PC users as well as many IT departments in small- to medium-sized businesses (SMBs). One notable benefit of these RAID features is fast and easy backup/recovery of local data arrays since they provide the ability to use the direct-attached storage
Thursday, 22 November 2007 03:23
Enterprise-Class Data Protection For EveryoneWritten by Steve McIntosh, CISSP
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