Dell UCPM-800 manual Specifications of a Shared Perc 8 card

•Currently, Linux drivers do not support the fault tolerance feature of the PowerEdge VRTX system. Host servers running Linux are only supported in single-controller configuration.

Specifications of a Shared PERC 8 card

The characteristics of a Shared PERC 8 card are as follows:

Table 1. Shared PERC 8 card specifications

Specification	Description
Supported drives	Dell-qualified SAS hard drives and SAS solid state drives (SSDs).
	Mixing disks of different speeds (7,200 rpm, 10,000 rpm, or
	15,000 rpm) and bandwidth (3 Gbps or 6 Gbps) while
	maintaining the same drive type (SAS) and technology (HDD or
	SSD) is supported. However, this may affect data transfer
	performance.
	NOTE: Mixing HDDs and SSDs within a virtual disk is not
	supported. SATA drives are not supported.
RAID levels	0, 1, 5, 6, 10, 50, and 60
	NOTE: Non-RAID drives are not supported.
Virtual functions	Four virtual functions to support up to four host servers
Management application	Dell Chassis Management Controller (CMC).
	NOTE: Option ROM (OP-ROM) is not supported. Booting
	from a shared storage is not supported. You can only boot
	from the storage located on the server module.
Enclosure per port	Not applicable
Processor	Dell Adapter SAS RAID-on-Chip, 8-Port with LSI 2208 Chipset
Battery backup unit	Yes
Non-volatile cache	Yes
Cache memory	1 GB DDR3, 1333 MHz
Cache policies	Write Back, Forced Write-Back, Write Through, Adaptive Read-
	Ahead, No Read-Ahead, and Read Ahead
	NOTE: Note that write-back caching in a dual controller
	configuration is not supported on the earlier versions of the
	Shared PERC 8 solution.
	NOTE: For the Shared PERC 8 card to support write-back
	feature, ensure that you download the updated firmware
	and driver version available at dell.com/support/home.
	NOTE: For more information, see the PowerEdge VRTX
	Storage Subsystem Compatibility Matrix at dell.com/
	support/home.

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