Dell EMC CX3-20 Disk Storage Array

Dell Updated: 2008-09-10 RSS
Dell EMC CX3-20 Disk Storage Array

Storage Capacity
Up to 48TB of raw storage capacity with Fibre Channel drives or 111TB with SATA II drives

Scalability
Supports up to 8 add on disk array enclosures for a total of 120 drives in the storage array.
Each DAE4P holds up to 15 Fibre Channel or SATA II drives

Cache
4GB
Automatic write cache destaging

RAID Levels
Supports RAID 0, 1, 1/0, 3, 5, and 6

Supported Servers
All dual and quad socket Dell PowerEdge servers
Variety of Compaq, HP, IBM and SUN Sparc servers as validated through EMC

OS support
Microsoft Windows 2003, Microsoft Windows 2000, Sun Solaris, Linux

Direct Connect Servers
Up to 12 servers

Servers Attached to a single array in a SAN
Up to 128 high availability servers connections to a single array in a SAN

Front End Connectivity
Dell/EMC CX3-20f
12 Fibre Channel front end ports (6 per Storage Processor)

Dell/EMC CX3-20c
4 Fibre Channel and 8 iSCSI front end ports (6 per Storage Processor)

With the use of PowerPath fail over and load balancing software for multipath I/O, users can operate all twelve ports simultaneously.
Back End Connectivity
Dell/EMC CX3-20f
1 Fibre Channel port per Storage Processor
1 redundant back end loop per array

Dell/EMC CX3-20c
1 Fibre Channel port per Storage Processor
1 redundant back end loop per array

Maximum Cable Length
Shortwave Optical: 300 meters (2Gb/s), 500 meters (1Gb/s)

Drive Interface
Dual, independent FC-AL interface ports on each drive
Failover from each storage processor to the Fibre Channel loop is possible
120 drives per system

Drives Available
Fibre drives
73GB1 15k rpm disk with 4Gbit Fibre Channel interface.
146GB1 10k rpm disk with 2Gbit Fibre Channel interface.
146GB1 15k rpm disk with 4Gbit Fibre Channel interface.
300GB1 10k rpm disk with 2Gbit Fibre Channel interface.
300GB1 10k rpm disk with 4Gbit Fibre Channel interface.
300GB1 15k rpm disk with 4Gbit Fibre Channel interface.
400GB1 10k rpm disk with 4Gbit Fibre Channel interface.

SATA drives
750GB1 7200 RPM SATA II with 4Gbit Fibre Channel interface.
1TB1 7200 RPM SATA II with 4Gbit Fibre Channel interface.

Available Software
Navisphere Quality of Service Manager (NQM): Helps monitor and set specific performance targets for application performance while helping to identify bottlenecks
EMC Navisphere®  Manager: Robust configuration, management and event notification from a single management station
EMC SnapView: Point-in-time view of information for nondisruptive backup
EMC SAN Copy: Migrate or distribute data within the SAN fabric
EMC MirrorView: Remote synchronous mirroring for disaster protection
EMC Access Logix: Data protection, shared storage access, and security for heterogeneous SAN environments
EMC PowerPath: Load balancing and data path failover for continuous data access
Visual SRM: Helps customers discover, assess, remove and monitor data for disk space management and capacity planning

Dimensions
Rackmount Processor Chassis with Standby Power Supplies
Rack size: 2U
Height: 3.42 in. (8.69 cm)
Width: 18.92 in. (48.06 cm)
Depth: 31.58 in. (80.21 cm)
Weight: 43 lb. (19.50 kg) max.
Rackmount 4Gb Fibre Channel Point-to-Point Disk Expansion Chassis with Dual Power Supplies
Rack size: 3U
Height: 5.25 in. (13.33 cm)
Width: 17.72 in. (45.0 cm)
Depth: 14.00 in. (35.56 cm)
Weight: 68 lb. (30.9 kg) max.

Power
Processor Chassis
Frequency: 47-63 Hz
AC Voltage: 100 - 240 Vac, single phase

Inlet Type
Dual Inlets
Rackmount: IEC320-C14 appliance coupler

Protection
Rackmount: 10 amps, fused AC Circuits
AC Circuits: Redundant external AC circuits

Inlet Type
Dual Inlets
Rackmount: IEC320-C14 appliance coupler

Environmental
Temperature: 50-104 degrees F (10-40 degrees C)
Temperature Gradient: 4 degrees C/hr.
Relative Humidity: 20% to 80% (non-condensing)
Elevation:
8,000 ft. (2438.4 m) @ 104 degrees F (40 degrees C) max.
10,000 ft. (3048 m) @ 98.6 degrees F(37 degrees C) max.

Regulatory
FCC Class A
EN 55022 Class A
CE Mark
VCCI Class A
ICES-003 Class A (for Canada)
AS/NZS 3548 Class A (for Australia/New Zealand)
BSMI Class A (for Taiwan)
UL 1950
CSA C22.2-950
IEC 60950/EN 60950
CISPR22 Class A