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Dell Shared PowerEdge RAID Controller 8 Cards For Dell PowerEdge VRTX Systems User’s Guide

PDF

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 . This table describes the Shared PERC 8 card specifications.
Specification Description
Supported drives Dell-qualified SAS hard drives, SAS solid-state drives (SSDs), and Self-Encrypting Disks (SEDs) drives.

Mixing disks of different speeds (7,200 rpm, 10,000 rpm, or 15,000 rpm) and bandwidth (6 Gbps or higher) while maintaining the same drive type (SAS) and technology (HDD or SSD) is supported. However, this may affect data transfer performance.

  • NOTE: Though drives of bandwidth higher than 6 Gbps are supported, drives only run at a maximum speed of 6 Gbps.
  • 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 on the server module.
Enclosure per external domain 2
Processor Dell Adapter SAS RAID-on-Chip, 8 Port with LSI 2208 chipset
Battery backup unit Yes
Nonvolatile 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: Write-back caching in a dual controller configuration is not supported on firmware 23.8.10-0061 and earlier versions. 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 Dell PowerEdge VRTX Storage Subsystem Compatibility Matrix at Dell.com/support/home.
Maximum number of spans per disk group 8
Maximum number of virtual disks per disk group 16
Maximum number of virtual disks 64
Dedicated and global hot spares Yes
Hot swappable devices supported Yes
Hardware XOR engine Yes
Virtual disk initialization; background, full, and fast Yes
Consistency check Yes
Disk roaming Yes
FastPath Yes
Virtual disk migration between two Shared PERC 8 cards Yes
  • NOTE: The target Shared PERC 8 card firmware level must be either higher or equal to the source Shared PERC 8 card firmware level.
Virtual disk migration from PERC H310, H710, or H710P cards to a Shared PERC 8 card No
SMART detection Yes
Patrol Read Yes
Automatic replace member Yes
SAS (HDD/SSD) hard drive Yes
Physical disk power management IDLE-C for compliant HDDs only. No support for balanced, maximum, and customized power savings.
SATA (HDD/SSD) hard drive No
Manual replace member No
Online capacity expansion No
Cachecade No
Local Key Management (LKM) Yes
PCIe hot plug of controller PCIe Hot Add only supported with Shared PERC 8 External card
Multipath support Required for systems with Fault Tolerant Shared PERC 8 card configuration.
Controller failover Available only for systems with Fault Tolerant Shared PERC 8 card configuration.

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