Form factor |
- ThinkSystem DS4200: 2U rack mount (Machine Type 4617)
- ThinkSystem DS Series Expansion Unit: 2U rack mount (Machine Type 4588)
|
Controller
configuration |
Two types of controller modules:
- DS4200 SAS controller module
- DS4200 FC/iSCSI controller module
Dual controller configuration only. Both controllers in the system must be of the same type. |
RAID levels |
RAID 1, 5, 6, and 10; Rapid Data Protection Technology (ADAPT). |
Controller memory |
16 GB per system (8 GB per controller module). Battery-free cache protection with flash memory and supercapacitors. Low latency cache mirroring protection for dual controller configurations. |
Drive bays |
Up to 240 SFF drive bays per storage system:
- 24 SFF drive bays in the DS4200 SFF chassis
- 24 SFF drive bays in the DS Series SFF expansion unit; up to 9 expansion units
Up to 276 drive bays per storage system:
- 24 SFF drive bays in the DS4200 LFF chassis
- 84 LFF drive bays in the D3284 expansion unit; up to 3 expansion units
Up to 264 LFF drive bays per storage system:
- 12 LFF drive bays in the DS4200 LFF chassis
- 84 LFF drive bays in the D3284 expansion unit; up to 3 expansion units
Up to 120 LFF drive bays per storage system:
- 12 LFF drive bays in the DS4200 LFF chassis
- 12 LFF drive bays in the DS Series LFF expansion unit; up to 9 expansion units
Intermix of DS Series SFF and LFF enclosures is supported. Intermix of DS Series and D3284 enclosures is not supported. |
Drive technology |
SAS and NL SAS HDDs and SEDs, SAS SSDs. Intermix of HDDs and SSDs is supported. Intermix of SEDs with HDDs or SSDs is not supported. |
Drive connectivity |
Dual-ported 12 Gb SAS drive attachment infrastructure.
Controller unit with two controller modules (ports per one controller module):
- 24x 12 Gb SAS internal drive ports (SFF enclosure)
- 12x 12 Gb SAS internal drive ports (LFF enclosure)
- 1x 12 Gb SAS x4 (Mini-SAS HD SFF-8644) expansion port for the attachment of the expansion enclosures
DS Series expansion unit with two expansion modules (ports per one expansion module):
- 24x 12 Gb SAS internal drive ports (SFF enclosure)
- 12x 12 Gb SAS internal drive ports (LFF enclosure)
- 3x 12 Gb SAS x4 (Mini-SAS HD SFF-8644) expansion ports; two of these ports (Ports A and C) are used for the daisy chained attachment of the expansion enclosures; Port B is not used.
|
Drives |
DS Series SFF drives:
- 300 GB, 600 GB, and 900 GB 15K rpm 12 Gb SAS HDDs
- 600 GB, 900 GB, 1.2 TB, 1.8 TB, and 2.4 TB 10K rpm 12 Gb SAS HDDs
- 1.2 TB 10K rpm 12 Gb SAS SED HDD
- 1 TB and 2 TB 7.2K rpm 12 Gb NL SAS HDDs
- 3.84 TB, 7.68 TB, and 15.36 TB SAS SSDs (1 DWD)
- 400 GB, 800 GB, 1.6 TB, and 3.84 TB SAS SSDs (3 DWD)
- 400 GB, 800 GB, and 1.6 TB SAS SSDs (10 DWD)
- 800 GB 12 Gb SAS SED SSD (10 DWD)
DS Series LFF drives:
- 900 GB 10K rpm 12 Gb SAS HDDs
- 2 TB, 4 TB, 6 TB, 8 TB, 10 TB, and 12 TB 7.2K rpm 12 Gb NL SAS HDDs
- 4 TB 7.2K rpm NL 12 Gb SAS SED HDD
- 400 GB 12 Gb SAS SSDs (3 DWD and 10 DWD)
D3284 drives:
- 4 TB, 6 TB, 8 TB, 10 TB, and 12 TB 7.2K rpm 12 Gb NL SAS HDDs
- 400 GB 12 Gb SAS SSDs (3 DWD and 10 DWD)
- 3.84 TB, 7.68 TB, and 15.36 TB 12 Gb SAS SSDs (1 DWD)
|
Storage capacity |
Up to 2 PB. |
Host connectivity |
DS4200 SAS controller module: 4x 12 Gb SAS host ports (Mini-SAS HD, SFF-8644).
DS4200 FC/iSCSI controller module: 4x SFP/SFP+ host ports with two built-in dual-port CNCs (each port on the same CNC must have the same connectivity type; different CNCs might have different connectivity types).
CNC host port options (per each CNC on the controller module):
- 2x 1 Gb iSCSI SFP (1 Gb speed, UTP, RJ-45)
- 2x 10 Gb iSCSI SFP+ (1/10 Gb speeds, SW fiber optics, LC)
- 2x 8 Gb FC SFP+ (4/8 Gb speeds, SW fiber optics, LC)
- 2x 16 Gb FC SFP+ (4/8/16 Gb speeds, SW fiber optics, LC)
- 2x 10 Gb iSCSI SFP+ DAC cables
|
Host operating systems |
Microsoft Windows Server 2012 R2 and 2016; Red Hat Enterprise Linux (RHEL) 6 and 7; SUSE Linux Enterprise Server (SLES) 11 and 12; VMware vSphere 5.5, 6.0, and 6.5. |
Standard software features |
Intelligent Real-time Tiering for HDDs, Virtualized Storage Pools, Thin Provisioning, SSD Read Cache, Rapid RAID Rebuild, Snapshots (up to 128 targets), All Flash Array. |
Optional software features |
Intelligent Real-time Tiering for SSDs, Snapshots (up to 1024 targets), Asynchronous Replication. |
Performance |
Dual controller configuration
- Up to 325 000 random disk read IOPS
- Up to 7 GBps sequential disk read throughput
- Up to 5.5 GBps sequential disk write throughput
|
Configuration maximums |
Per system:
- Maximum number of virtual storage pools: 2 (1 per controller module)
- Maximum virtual pool size: 1 PB
- Maximum number of logical volumes: 1024
- Maximum logical volume size: 128 TB
- Maximum number of drives in a RAID drive group: 16
- Maximum number of RAID drive groups: 32
- Maximum number of drives in an ADAPT drive group: 128 (12 drives minimum)
- Maximum number of ADAPT drive groups: 2 (1 per storage pool)
- Maximum global spares: 16
- Maximum number of initiators: 8192 (1024 per host port on the controller module)
- Maximum number of initiators per host: 128
- Maximum number of host groups: 32
- Maximum number of hosts in a host group: 256
- Maximum number of drives in an SSD read cache drive group: 2 (RAID-0)
- Maximum number of SSD read cache drive groups: 2 (1 per storage pool)
- Maximum SSD read cache size: 4 TB
- Maximum number of snapshots: 1024 (requires an optional license)
- Maximum number of replication peers: 4 (requires an optional license)
- Maximum number of replication volumes: 32 (requires an optional license)
|
Cooling |
Redundant cooling with two fans built into power and cooling modules (PCMs). |
Power supply |
Two redundant hot-swap 580 W AC power supplies built into PCMs. |
Hot-swap parts |
Controller modules, expansion modules, SFP/SFP+ transceivers, drives, PCMs. |
Management interfaces |
1 GbE port (UTP, RJ-45) and serial port (Mini-USB) on the controller modules.
Web-based interface (WBI); Telnet, SSH, or Direct Connect USB CLI; SNMP and email notifications; optional Lenovo XClarity. |
Security features |
Secure Socket Layer (SSL), Secure Shell (SSH), Secure FTP (sFTP), Self-encrypting drives (SEDs). |
Warranty |
Three-year customer-replaceable unit and onsite limited warranty with 9x5 next business day response. Optional warranty service upgrades are available through Lenovo: Technician Installed Parts, 24x7 coverage, 2-hour or 4-hour response time, 6-hour or 24-hour committed repair, 1-year or 2-year warranty extensions, YourDrive YourData, installation services. |
Dimensions |
Height: 88 mm (3.5 in.); width: 443 mm (17.4 in.); depth: 630 mm (24.8 in.) |
Weight |
- DS4200 SFF controller enclosure (fully configured): 30 kg (66 lb)
- DS Series SFF expansion enclosure (fully configured): 25 kg (55 lb)
- DS4200 LFF controller enclosure (fully configured): 32 kg (71 lb)
- DS Series LFF expansion enclosure (fully configured): 28 kg (62 lb)
|