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IBM IBM ESGE 387GB Enterprise SSD 4k SAS SFF-3 Solid State Drive  .. Product #: ESGE-8286 based on 0 reviews

IBM ESGE 387GB Enterprise SSD 4k SAS SFF-3 Solid State Drive for Power IBM i iSeries

Brand: IBM
Model Number: ESGE-8286

IBM ESGE 387GB Enterprise SSD 4k SAS SFF-3 Solid State Drive for Power IBM i iSeries
This SFF (2.5") Enterprise SAS Solid State Drive (SSD) is shipped from IBM with 387 GB capacity formatted with 4k (4224) byte sectors. The drive is supported in SFF-3 SAS bays. This drive is rated at 10 DWPD (Drive Writes Per Day) calculated over a 5-year period. Features ESGD and ESGE are physically identical drives with the same CCIN of 5B13. Different feature codes to help the IBM configuration tools understand how the SSD is used. ESGD indicates usage by AIX, Linux or VIOS. ESGE indicates usage by IBM i.
 
The ESGE SSD only fits in the Power8 and Power9 system unit SFF-3 SAS bays. It does not fit in EXP24S or EXP24SX drawers (SFF-2) or in #5802/#5803 I/O drawers (SFF-1) or in POWER7 system units (SFF-1) SAS bays. The ESGE SSDe was not tested with 4096 byte sectors and thus JBOD mode for AIX/Linux is not supported. 4k drives cannot be reformatted to 5xx drives (or vice versa).

The ESGE and other Power Enterprise SSDs include the latest 3D NAND technology flash memory, which improves enterprise-class reliability, endurance, and capacity characteristics. The Enterprise SSDs build upon a heritage of performance and endurance to provide a better value proposition to users of POWER8 servers.

The POWER8 servers that support the new Enterprise SAS SSDs in their system unit are the S812L (8247-21L), S814 (8286-41A), S824 (8286-42A), S812 (8284-21A), S822 (8284-22A), S822L (8247-22L), S824L (8247-42L), E850 (8408-E8E), and E850C (8408-44E). The SFF-3 SAS bay in these servers uses an SFF-3 carrier/tray, on which the SAS drive is mounted. Other model POWER8 servers do not have SAS bays in their system units and therefore cannot support Enterprise SFF-3 SSDs. Earlier Power servers do not use the SFF-3 SAS bay.

When attached to a POWER8 server, the EXP24S or EXP24SX I/O drawers (#5887, #EL1S, #ESLS, or #ELLS) can hold up to 24 SAS SSDs. The EXP24S and EXP24SX SAS bays use an SFF-2 carrier/tray, on which the SAS drive is mounted. The Power S814 (6-core and 8-core), S822, S824, E850, E870, and E880 servers support the features 5887 EXP24S and ESLS EXP24SX. The S812L, S822L, and S824L servers support the features EL1S EXP24S and ELLS EXP24SX.

The Enterprise SSDs refresh the previously available 387 GB, 775 GB, and 1.55 TB capacity points for POWER8 servers. These are 400 GB, 800 GB, and 1600 GB SSDs that are always formatted either to 4224 (4k) byte sectors or to 528 (5xx) byte sectors for additional protection, resulting in 387 GB, 775 GB, and 1550 GB capacities. The 4096 or 512 byte sectors or JBOD are not supported. The 4k drives are not supported on servers older than POWER8.

Multiple features are available for ordering SSDs to meet your business requirements.

Four key characteristics are differentiated in these features:

  • Capacity: 387 GB, 775 GB, or 1.55 TB.
  • Carrier/tray or SAS bay: SFF-3 or SFF-2.
  • Sector size: 5xx (528) or 4k (4224) byte.
  • Type server/OS: Linux-only or multi-OS. If multi-OS and planning for IBM i or AIX®/Linux, footnote 1 applies.

Multi-OS server feature numbers

SSDFor SFF-3 and 4kFor SFF-3 and 5xxFor SFF-2 and 4kFor SFF-2 and 5xx
387 GB ESGD and ESGE ESG9 and ESGA ESGB and ESGC ESG5 and ESG6
775 GB ESGN and ESGM ESGH and ESGJ ESGK and ESGL 1 ESGF and ESGG
1.55 TB ESGS and ESGR Not applicable ESGP and ESGQ Not applicable

Linux-only server feature numbers

SSDFor SFF-3 and 4kFor SFF-3 and 5xxFor SFF-2 and 4kFor SFF-2 and 5xx
387 GB ELGD ELG9 ELGB ELG5
775 GB ELGM ELGH ELGK ELGF
1.5 TB ELGR Not applicable ELGP Not applicable

The multi-OS SSDs for AIX/Linux and IBM i are identical. There are two feature numbers instead of one because IBM i configurations require protection such as mirroring or RAID 5, whereas AIX and Linux only strongly recommend protection. Different feature numbers enable IBM configuration tools such as e-config to apply the appropriate rules even when both OS environments or VIOS are on the same server. The 1.55 TB capacity SSD is not available on servers older than POWER8. It is available as a 4k drive and is not available as a 5xx drive.

Controllers and adapters: The Enterprise SSDs are run either by the integrated SAS controllers in the POWER8 system unit or by PCIe3 SAS adapters. The PCIe3 adapters are:

  • PCIe3 12 GB Cache RAID PLUS SAS Adapter Quad-port 6 Gb x8 (#EJ14)
  • PCIe3 12 GB Cache RAID SAS Adapter Quad-port 6 Gb x8 (#EJ0L)
  • PCIe3 RAID SAS Adapter Quad-port 6 Gb x8 (#EJ0J or #EL59)
  • PCIe3 LP RAID SAS Adapter Quad-port 6 Gb x8 (#EJ0M or #EL3B)

Support of the new Enterprise SSDs by earlier SAS adapters prior to PCIe3 is not planned.

The SSD configuration rules, maximums, limitations, and capabilities of these PCIe3 SAS adapters and integrated POWER8 SAS controllers are unchanged, whether new Enterprise SSDs are used or earlier SSDs are used. You can mix Enterprise SSDs and earlier SSDs under the same controller or adapter, as well as mix them in the same array. This allows existing SSD investments to be leveraged and can provide more flexible growth.

Existing SSD rules are unchanged. For example:

  • Do not mix different size capacities such as 387 GB and 775 GB in the same array or mix 775 GB and 1.55 TB in the same array.
  • Do not mix 4k and 5xx drives in the same array.
  • The largest SSD supported in the 4-core S814 server is 387 GB.
  • Do not mix SSDs and HDDs in the same array unless it is an Easy Tier® array.
  • 4k drives are not supported on servers older than POWER8.

Note: As part of a larger industry transition, IBM Power Systems is in the process of gradually shifting away from offering 5xx (512/ 528) byte sector SAS drives (HDD or SSD) to 4K byte sector drives. Most AIX/Linux applications access SAS drives through a file system and experience no effect of this sector size transition. In much less common cases, an AIX/Linux application may access the disk drive directly through the raw device interface and may still require only 5xx byte sectors drives. If there are 4k usage concerns, check with the application provider to ensure compatibility with 4K byte sector drives.

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