Dell PowerVault MD1120 - Manual (Page 8)

A REFERENCE GUIDE FOR OPTIMIZING DELL™ POWERVAULT™ MD1XXX FAMILY SAS SOLUTION VER A02
PAGE 8 6/16/2008
Perform periodic physical inspection of your connections and cabling
Damaged cables and loose connections may cause functional issues with your storage solution.
Dell recommends a physical equipment audit two times a year or anytime after re-cabling or re-
deploying your storage hardware.
3. Dell SAS Product Offering
The PowerVault MD1xxx Family enclosures represent Dell JBOD offering. This includes both the
MD1000 and MD1120 enclosures (see Table 2). These are feature-optimized storage expansion
enclosures that use the latest industry standard storage interconnect technology, Serial Attached
SCSI (SAS). These enclosures support between 2 and 24 physical SAS drives. Along with Dell
host-based RAID controllers, PERC 5/E and PERC 6/E, the PowerVault MD1xxx Family
introduces new levels of performance, capacity, and scalability at industry leading prices.
Table 2: Summary and comparison of key features of the MD1xxx Family enclosures
Features PowerVault MD1000 PowerVault MD1120
Rack space 3U (rack only) 2U (rack only)
Drive bays 15 (3.5-inch drives) 24 (2.5-inch drives)
Supported drive types 3 Gbps SAS & 3 Gbps SATA II 3 Gbps SAS
Expandability Three shelves for a total of 45
drives per host port (unified
mode only) Three shelves for a total of 72
drives per host port (unified
mode only)
Management In-band, using Dell
OpenManage software In-band, using Dell
OpenManage software
Backplane options Unified or split JBOD Unified or split JBOD
Supported RAID
controllers PERC 5/E and PERC 6/E PERC 6/E only
Cluster support No No
Hot-pluggable drives Yes Yes
Hot-pluggable fans and
power supplies Yes (combined fan and power
supply modules) Yes (combined fan and
power supply modules)
Enclosure management
configurations Redundant and nonredundant Redundant and
nonredundant
Fan and power supply
configuration Redundant Redundant
Supported disk array
enclosures PowerVault MD3000 and
PowerVault MD3000i N/A (designed for future
support for attachment to
external RAID enclosures)