HP Xw8200 LSI SCSI: Integrated RAID User's Guide (PCI plug-in and system board - Page 41
Integrated Striping Example, Integrated Striping - Logical and Physical
UPC - 882780210455
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Figure 4.1 Integrated Striping Example LSI Logic Fusion-MPT Controller SCSI Bus Disk 1 Disk 2 Disk 3 Disk 4 Segment 1 Segment 5 Segment 9 Segment 2 Segment 6 Segment 10 Segment 3 Segment 7 Segment 11 Segment 4 Segment 8 Segment 12 Figure 4.2 shows a logical view and a physical view of integrated striping configuration. Figure 4.2 Integrated Striping - Logical and Physical Views Logical View Physical View Stripe 1 Stripe 2 Stripe 3 Stripe 1 Stripe 2 Stripe 3 Stripe 4 Stripe 5 Stripe 6 + + Stripe 7 Stripe 8 Stripe 9 Stripe N Stripe N-2 Stripe N-1 Stripe N The primary advantage of IS is speed, because it transfers data to or from multiple disks at once. However, there is no data redundancy; therefore, if one disk fails, that data is lost. IS Description 4-3 Version 1.0 Copyright © 2003 by LSI Logic Corporation. All rights reserved.