Acer Veriton M661 User Manual

Also see for Veriton M661: Service guide User guide User guide Service guide

Contents

Acer Veriton M661 User Manual Manual pdf 7 page image

Intel Matrix Storage Manager Quick Guide for Acer Selected Veriton PC V1.17/21Block CpBlock B1Block A1Block C1Block BpBlock A2Block C2Block B2Block ApPhysicaldisk120 GBPhysicaldisk120 GBLogical disks240 GBPhysicaldisks120 GBDisk 1 Disk 2 Disk 3RAID10 (RAID1+0: striping + mirroring)• A combination of RAID1 and RAID0 — mirroring and striping, but withoutparity.• RAID10 is used for both replicating and sharing data among disks.• RAID10 is often the primary choice for high-load databases, because thelack of parity to calculate gives it faster write speeds.• RAID10 volume capacity = 2 x (capacity of smallest HDD)Physicaldisks120 GBBlock A5Block A3Block A1Block A5Block A3Block A1Block A6Block A4Block A2Disk 1 Disk 2 Disk 3Block A6Block A4Block A2Disk 4RAID 1 RAID 1RAID 0Physicaldisks120 GBPhysicaldisks120 GBLogical disks240 GBPhysicaldisks120 GBCharacteristics/Advantages DisadvantagesRAID0 ¾ RAID0 implements a stripeddisk array, the data is brokendown into blocks and eachblock is written to a separatedisk drive¾ I/O performance is greatlyimproved by spreading the I/Oload across many channels anddrives¾ Best performance is achievedwhen data is striped across¾ Not a "True" RAID because it isNOT fault-tolerant¾ The failure of just one drivewill result in all data in anarray being lost¾ Should never be used inmission-criticalenvironments