FlashSystem 900 Product Guide 6
Specifications
Table 1 lists the specifications for FlashSystem 900.
Table 1. Specifications (part 1 of 2)
Specification
Description
Model 9840-AE2, 9843-AE2.
Form factor 2U rack-mounted enclosure.
IBM MicroLatency module
quantity
Up to 12 IBM MicroLatency modules in increments of 4, 6, 8, 10, or 12
for the 1.2 TB module, and 6, 8, 10, or 12 for the 2.9 TB or 5.7 TB
modules. Modules of either 1.2 TB, 2.9 TB, or 5.7 TB cannot be
intermixed.
Flash type IBM-enhanced MLC
Raw capacity (TB/TiB) 7.1 TB/6.6 TiB, 10.7TB/9.7 TiB, 14.2TB/13.0 TiB, 17.8 TB/16.2 TiB,
21.4 TB/19.5 TiB, 26.3 TB/24.0 TiB, 35.1 TB/32.0 TiB, 43.9 TB/40.0
TiB, 52.7 TB/48.0 TiB, 70.3 TB/64.0 TiB, 87.9 TB/80.0 TiB and 105.5
TB/96.0 TiB
RAID 5 usable capacity
(TB/TiB)
2.4 TB/2.1 TiB, 4.8 TB/4.3 TiB, 7.2 TB/6.5 TiB, 9.6 TB/8.3 TiB, 11.6
TB/10.5 TiB, 12 TB/10.9 TiB, 17.4 TB/15.8 TiB, 22.8 TB/20.72 TiB,
23.2 TB/21.1 TiB, 29 TB/26.3 TiB, 34.2 TB/31.1 TiB, 45.6 TB/41.4 TiB
and 57 TB/51.8 TiB
Maximum capacity For RAID 5, the maximum capacity is 57 TB. Note that RAID 0 is not
supported on the FlashSystem 900.
IBM MicroLatency module
protection
ECC error correction, Variable stripe RAID data protection,
overprovisioning, and IBM two-dimensional Flash RAID.
RAID support RAID 5
Host interfaces Two RJ45 Ethernet connections for management and up to 16 host
interface connections, which are either SFP+ FC or QSFP InfiniBand
connections, depending on the selected features.
Maximum bandwidth 10 GBps Read (100%, sequential), 4.5 GBps Write (100%,
sequential).
Read IOPS ( 100% Random ) 1,100,000.
Write IOPS ( 100% Random ) 600,000.
Read latency 155 µs.
Write latency 90 µs.
Maximum volume support
(LUNs)
2 K (2048).
System management IBM FlashSystem 900 GUI is available in any supported browser.
o
IBM FlashSystem 900 CLI.
o
SNMP.
o
Email alerts.
o
Syslog redirect.
o
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