Мрежови диск (NAS) Lenovo ThinkSystem DE4000H SAS 2U24 SFF, до 2.3 PB, без твърди диск (SAS до 15.36 TB), 24x SFF слота, 2U rack mount, 1x RJ-45, 2x Micro-USB

Form factor
• DE4000H 2U24 SFF controller enclosure (Machine Type 7Y75): 2U rack mount.


Controller configuration
• Dual active-active controller configuration with automatic load balancing.

RAID levels
• RAID 0, 1, 3, 5, 6, and 10; Dynamic Disk Pools.
• Note: RAID 3 can be configured only through the CLI.

Controller cache
• 16 GB per system (8 GB per controller). Cache mirroring between the controllers. Flash backed cache protection (includes battery for destaging to flash).

Drive bays
Up to 8 enclosures per system (Controller unit with up to 3 [4U60] or 7 [2U24 or 2U12] expansion units):
• Up to 192 SFF hot-swap drive bays (Up to 8x 2U24 LFF enclosures)

Intermix of 2U24 SFF, 2U12 LFF, and 4U60 LFF enclosures is supported for a total of up to
192 drives per system.

Drive technology
• 12 Gb SAS and NL SAS HDDs, 12 Gb NL SAS FIPS HDDs, 12 Gb SAS SSDs.
• Intermix of HDDs and SSDs is supported within a system.
• Intermix of HDDs and SSDs isnot supported within a volume group or disk pool.
• A maximum of 120 SAS SSDs is supported.
• Intermix of FIPS drives non-FIPS drives is not supported.

Drive expansion connectivity
• 2x 12 Gb SAS x4 (Mini-SAS HD SFF-8644) expansion ports on each of two controllers in
the controller enclosure for the attachment of the expansion enclosures.
• 4x 12 Gb SAS x4 (Mini-SAS HD SFF-8644) expansion ports on each of two I/O modules in
the expansion enclosure for the attachment to the controller enclosure and daisy chaining
of the expansion enclosures.

Drives supported
2U24 SFF drives:
• 1.2 TB and 1.8 TB 10K rpm SAS HDDs
• 3.84 TB, 7.68 TB, and 15.36 TB SAS SSDs (1 DWD)
• 800 GB, 1.6 TB, and 3.2 TB SAS SSDs (3 DWD)

Storage capacity
• Up to 2.3 PB (192x 12 TB LFF HDDs).

Host connectivity
Base ports (per controller enclosure with two controllers):
• 4x 16 Gb iSCSI (DAC or SW fiber optics, LC) no SFPs
Additional ports on host interface cards (per controller enclosure with two controllers):
8x 12 Gb FC HIC ports [no SFPs]

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, 6.5, and 6.7.

Standard software features
• Dynamic Disk Pools, SSD read cache, snapshots (up to 128 targets), volume copy, thin
provisioning (DDP only), encryption (requires optional FIPS drives), and data assurance.

Optional software features
• Snapshots (up to 512 targets), synchronous mirroring, and asynchronous mirroring.

Performance
• Up to 300 000 random read IOPS (4 KB blocks)
• Up to 109 000 random write IOPS (4 KB blocks)
• Up to 9.2 GBps sequential read throughput (64 KB blocks)
• Up to 2.7 GBps sequential write throughput (64 KB blocks)

Configuration maximums
• Maximum storage capacity: 2.3 PB
• Maximum number of logical volumes: 512
• Maximum logical volume size: 2 PB
• Maximum thin-provisioned logical volume size (DDP only): 256 TB
• Maximum number of drives in a RAID volume group:
• RAID 0, 1/10: 192
• RAID 3, 5, 6: 30
• Maximum number of DDP arrays: 20
• Maximum number of drives in a DDP array: 192 (11 drives minimum)
• Maximum SSD read cache size: 5 TB
• Maximum number of hosts: 256
• Maximum number of snapshots: 512 (requires an optional license)
• Maximum number of mirroring pairs: 32 (requires an optional license)

Cooling
• Redundant cooling with two cooling modules (4U60 LFF) or with the fans that are built into power supplies (2U24 SFF and 2U12 LFF).

Power supply
• Two redundant hot-swap 913 W (100 - 240 V) (2U24 and 2U12 enclosures) or 2325 W
(200 - 240 V) (4U60 enclosures) Platinum AC power supplies.

Hot-swap parts
• Controllers, I/O modules, drives, power supplies, cooling modules (4U60 LFF only), and SFP+/SFP28 transceivers.

Management ports
• 1x 1 GbE port (UTP, RJ-45) per controller for out-of-band management.
• 2x Serial console ports (RJ-45 and Micro-USB) for system configuration.
• In-band management via I/O path.

Management interfaces
• System Manager web-based GUI; SAN Manager standalone GUI; SSH CLI; Serial console CLI;
• SMI-S Provider; SNMP, email, and syslog alerts; optional Lenovo XClarity.

Security features
• Secure Socket Layer (SSL), Secure Shell (SSH), user level security, role-based access control (RBAC), LDAP authentication.

Dimensions
2U24 SFF enclosure:
• Height: 85 mm (3.4 in.)
• Width: 449 mm (17.7 in.)
• Depth: 553 mm (21.8 in.)

Weight
• 2U24 SFF enclosure (fully configured): 27.6 kg (60.8 lb)


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