Intel AXXROMBSASMR Hardware User Guide - Page 15

Online Capacity Expansion and RAID Level Migration Rules, With OCE

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• Supports Serial SCSI Protocol (SSP) to enable communication with other SAS devices. • Supports Serial Management Protocol (SMP) to communicate topology management information. • Allows addressing of multiple SATA targets through an expander if using SATA 2.0- compliant hard disk drives. • Allows multiple initiators to address a single target (in a fail-over configuration) through an expander. Online Capacity Expansion and RAID Level Migration Rules • Migration must occur to the same or larger capacity configuration. • Migration cannot occur if there is more than one virtual disk in a logical array. • Migration and OCE cannot be done on Spanned Arrays (RAID 10, 50, 60). • Migrations supported are RAID 1 to RAID 0, RAID 5 to RAID 0, RAID 6 to RAID 0. • With OCE, migrations supported are RAID 0 to RAID 1, RAID 0 to RAID 5, RAID 1 to RAID 5. Intel® Integrated RAID Module SROMBSASMR Hardware User's Guide 5

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Intel® Integrated RAID Module SROMBSASMR Hardware User’s Guide
5
•
Supports Serial SCSI Protocol (SSP) to enable communication with other SAS
devices.
•
Supports Serial Management Protocol (SMP) to communicate topology
management information.
•
Allows addressing of multiple SATA targets through an expander if using SATA 2.0-
compliant hard disk drives.
•
Allows multiple initiators to address a single target (in a fail-over configuration)
through an expander.
Online Capacity Expansion and RAID Level Migration Rules
•
Migration must occur to the same or larger capacity configuration.
•
Migration cannot occur if there is more than one virtual disk in a logical array.
•
Migration and OCE cannot be done on Spanned Arrays (RAID 10, 50, 60).
•
Migrations supported are RAID 1 to RAID 0, RAID 5 to RAID 0, RAID 6 to RAID
0.
•
With OCE, migrations supported are RAID 0 to RAID 1, RAID 0 to RAID 5, RAID
1 to RAID 5.