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5278-8202 - IBM Power7 E4B, PCIe LP 2-x4-port SAS Adapter 3Gb

5278-8202 - IBM Power7 E4B, PCIe LP 2-x4-port SAS Adapter 3Gb

5278-8202 - IBM Power7 E4B, PCIe LP 2-x4-port SAS Adapter 3GbIBM Power7 8202-E4B (#5278) - PCIe LP 2-x4-port SAS Adapter 3Gb This feature is the Low Profile (LP) equivalent of feature number 5901. The #5901/5278 PCIe Dual...

Read more about 5278-8202 - IBM Power7 E4B, PCIe LP 2-x4-port SAS Adapter 3Gb

Brand: IBM
Product Code: 5278-8202
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5278-8202 - IBM Power7 E4B, PCIe LP 2-x4-port SAS Adapter 3Gb

IBM Power7 8202-E4B (#5278) - PCIe LP 2-x4-port SAS Adapter 3Gb

 

This feature is the Low Profile (LP) equivalent of feature number 5901. The #5901/5278 PCIe Dual-4x SAS Adapter is a low-profile short form factor adapter which supports the attachment of SAS disk, tape, and DVD using a pair of mini SAS 4x connectors. From a high level perspective, it is functionally equivalent to the #5912 PCI-X SAS adapter and provides a high-performance connection to SAS devices.

The #5901/5278 supports external SAS tape drives such as the 36/ 72 GB DAT72, 80/160GB DAT160, and 800/1600GB LTO-4 found in the IBM tape units such as the 7214-1U2, TS2240, TS2340, TS3100, TS3200, and TS3310. Other removable media devices supported include IBM SAS/SATA DVD-ROM/RAM drives. SAS adapter-to-enclosure (AE) cables are used to attach these drives.

The #5901/5278 supports SAS SFF disk drives located in a PCIe 12X I/O Drawer or SAS disk drives located in an EXP 12S Disk Drawer or drives in a POWER6 or POWER7 system CEC (split DASD backplane). AIX/ Linux formatted SAS drives are supported with RAID 0 (with mirroring) and RAID 10. IBM i formatted SAS drives are supported and data spreading and mirroring functions are provided by IBM i. RAID-5 or RAID-6 are not supported on the #5901/5278. #5901/5278 has zero write cache. CCIN for #5901/5278 is 57B3.

With proper cabling and configuration, multiple wide ports are used to provide redundant paths to each dual port SAS disk . The adapter manages SAS path redundancy and path switching should a SAS drive failure occur. SAS Y cables attach SAS disk drives in an EXP 12S Disk Drawers. SAS #3688 cables attach SFF SAS drives in an PCIe 12X I/O Drawer. In the EXP 12S Drawer, a high availability I/O configuration can be created using a pair of #5901, a pair of 5278 or a paired 5901/5278 adapters and SAS X cables to protect against the failure of a SAS adapter. In the PCIe 12X I/O Drawer, this function is provided via the internal wiring within the drawer itself.

Highlights

Supports up to 48 SAS disks, when configured with four #5886 EXP 12S Disk Drawers

Supports up to 42 disk (18 SFF disk plus up to 24 3.5-inch SAS disk) when configured with a #5802 19-inch PCIe 12X I/O Drawer and two #5886 EXP 12S Disk Drawers

Supports up to 50 disk (26 SFF disk plus up to 24 3.5-inch SAS disk) when configured with a #5803 24-inch PCIe 12X I/O Drawer and two #5886 EXP 12S Disk Drawers

SAS speed = 3Gbs

SATA speed = 1.5Gbs

SAS Serial SCSI Protocol (SSP) , Serial ATA Tunneling Protocol (STP) and Serial Management Protocol (SMP)

Dual controller supports mirrored RAID parity footprints

Concurrent firmware update

Attributes provided: Eight physical links via two mini SAS 4x connectors

Attributes required: 1 Low Profile (LP) slot

For 8202-E4B: (#5278)

Minimum required: 0

Maximum allowed: 4 (Initial order maximum: 4)

OS level required:

AIX Version 5.3 supported

AIX Version 6.1 supported

AIX Version 7.1 supported

IBM i 6.1 supported

IBM i 7.1 supported

SUSE Linux supported

Red Hat Linux supported

Refer to Software Requirements for specific O/S levels supported

Initial Order/MES/Both/Supported: Both

CSU: Yes

Return parts MES: No

Note:

Maximum of 4 supported in the CEC

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