Intel AXXROMBSASMR, Hardware User'S Manual

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Intel® Integrated RAID Module SROMBSASMR Hardware User’s Guide 5
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Supports Serial SCSI Protocol (SSP) to enable communication with other SAS
devices.
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Supports Serial Management Protocol (SMP) to communicate topology
management information.
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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
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Migration must occur to the same or larger capacity configuration.
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Migration cannot occur if there is more than one virtual disk in a logical array.
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Migration and OCE cannot be done on Spanned Arrays (RAID 10, 50, 60).
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Migrations supported are RAID 1 to RAID 0, RAID 5 to RAID 0, RAID 6 to RAID
0.
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With OCE, migrations supported are RAID 0 to RAID 1, RAID 0 to RAID 5, RAID
1 to RAID 5.