3Ware 3W-6800 User Guide - Page 21
R5 FusionTM Technology significantly improves RAID 5 write performance - disk management tools
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Introduction R5 FusionTM Technology significantly improves RAID 5 write performance 3ware's R5 Fusion significantly improves RAID 5 write performance for both large sequential and small random transactions. This advanced block caching firmware technology is combined with StorSwitch to deliver extremely high performance for RAID 5 write operations. Note: R5 Fusion is available only with Escalade 7450 and 7850 storage switches. Background Media Scan and Dynamic Sector Repair enhance data integrity Background Media Scan is an embedded feature that performs a read-scan of all disks in an array. An error notification is posted for each read error detected (see "Screen Display Messages" on page 145). If the array is redundant (i.e., RAID 1, 10 and 5) Dynamic Sector Repair automatically recovers the redundant data and rewrites it to the logical defective location. The drive reallocates the sector where the read error occurred and a notification of repair is posted. This results in the restoration of drive and data integrity; the primary and redundant data are again both valid. Configure and manage your disk arrays The 3ware Disk Array Configuration Utility is a BIOS level tool for creating, deleting, maintaining disk arrays and rebuilding mirrored arrays. From the 3DM Disk Array Configuration Utility, you can also specify hot spares from available drives to be dynamically substituted for a failed drive in a mirrored array. Refer to the 3ware Disk Array Configuration Utility chapter. SMART Monitoring (Self-Monitoring, Analysis and Reporting Technology) adds monitoring and troubleshooting functionality by www.3ware.com