Users Guide

External card fails, access to the storage subsystem attached to that card is lost. This conguration option is not available for Shared PERC
8 Internal cards.
Specications of a Shared PERC 8 card
The characteristics of a Shared PERC 8 card are as follows:
Table 1. Shared PERC 8 card specications
Specication Description
Supported drives Dell-qualied SAS hard drives, SAS solid-state drives (SSDs), and Self-Encrypting
Disks (SEDs) drives.
Mixing disks of dierent 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 aect 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 conguration is not
supported on rmware 23.8.10-0061 and earlier versions. For the Shared
PERC 8 card to support write-back feature, ensure that you download the
updated rmware 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
8 About the Shared PERC 8 card