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IBM Power Systems 57D7/57B4 Adapter Write Cache

Version 1.3 dated May 19, 2016

Chapter 2

Software and Hardware Requirements

The required hardware, firmware, and software levels for this feature are described below.

2.0.1

Supported Systems

IBM Power 8247-21L

IBM Power 8247-22L

IBM Power 8247-42L

2.0.2

Supported Storage Adapter Backplanes

#EL3T: PCIe3 x8 SAS RAID internal adapter 6Gb

#EL3V: PCIe3 x8 SAS RAID internal adapter 6Gb (Split Backplane)

#EJ0N: PCIe3 x8 SAS RAID internal adapter 6Gb (4U)

#EJ0S: PCIe3 x8 SAS RAID internal adapter 6Gb (4U) (Split Backplane)

#EJ0J: PCIe3 x8 SAS RAID adapter Quad Port 6Gb

1

#EJ0M: PCIe3 x8 SAS RAID adapter low profile Quad Port 6Gb

1

2.0.3

Supported Linux Operating System Releases & Configurations

Bare Metal Systems (indicated by #EC16):

Ubuntu Server 16.04, or later

PowerKVM 3.1 Systems (indicated by #EC40) or PowerKVM 2.1 (#EC20)

Not supported

Other environments, such as PowerVM (not PowerKVM, not Bare Metal)

Red Hat Enterprise Linux 6.5, or later

Red Hat Enterprise Linux 7.2, little endian, or later

Red Hat Enterprise Linux 7.2, big endian, or later

1

Single adapter configurations only, feature not supported for dual adapter, HA configurations

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Содержание 57D7

Страница 1: ...IBM Power Systems 57D7 57B4 Adapter Write Cache Version 1 3 dated May 19 2016 IBM Power Systems 57D7 57B4 Adapter Write Cache 1 of 15...

Страница 2: ...perating System Releases Configurations 4 2 0 4 Minimum SAS RAID Adapter Firmware Level 5 2 0 5 Minimum Linux iprutils Package Level 5 3 Installation Instructions 6 3 1 Linux Software Installation Ins...

Страница 3: ...s into fewer writes to the disks It also enables the RAID adapter to issue stripe writes to RAID 5 or 6 arrays when a full parity stripe of data is available in the cache which can eliminate read xor...

Страница 4: ...6Gb 4U EJ0S PCIe3 x8 SAS RAID internal adapter 6Gb 4U Split Backplane EJ0J PCIe3 x8 SAS RAID adapter Quad Port 6Gb1 EJ0M PCIe3 x8 SAS RAID adapter low profile Quad Port 6Gb1 2 0 3 Supported Linux Oper...

Страница 5: ...May 19 2016 SUSE Linux Enterprise Server 11 Service Pack 4 or later SUSE Linux Enterprise Server 12 Service Pack 1 or later Ubuntu Server 16 04 or later 2 0 4 Minimum SAS RAID Adapter Firmware Level 1...

Страница 6: ...se you can skip ahead to section 3 2 on updating the adapter firmware First configure the IBM Power Tools YUM repository Go to the following page for instructions on how to download the configuration...

Страница 7: ...ppc64 iprutils 2 4 11 1 41 1 ppc64 rpm RHEL 7 2 Little Endian http public dhe ibm com software server POWER Linux yum OSS RHEL 7 ppc64le iprutils 2 4 11 1 1 ppc64le rpm RHEL 7 2 Big Endian http publi...

Страница 8: ...2BIO 2BFirmware product ibm io featurecode EJ0T release all platform all function all source fc The pci 1014034A 51 14511900 1 Linux noarch rpm file should be downloaded Once downloaded install to yo...

Страница 9: ...updated with the pci 1014034A 51 14511900 firmware image Confirm Microcode Download The following devices are going to be updated ATTENTION System performance may be affected during the microcode dow...

Страница 10: ...Operational sda 0003 70 00 0 0 2 0 0 RAID 0 Array Optimized 0003 70 00 0 0 0 0 0 RAID 0 Array Member Active sdb 0003 70 00 0 0 2 1 0 RAID 10 Array Optimized 0003 70 00 0 0 0 1 0 RAID 10 Array Member A...

Страница 11: ...0E2845 Plant of Manufacturer 00UE Write Cache Size 256 MB DRAM Size 512 MB Resource Name dev sg12 Physical location PCI Address 0003 70 00 0 Resource Path FE SCSI Host Number 0 Platform Location U78CB...

Страница 12: ...by selecting option 4 Work with configuration options from the main menu then pressing Enter At this point you should see a screen like the following IBM Power RAID Configuration Utility Select one o...

Страница 13: ...will see all the physical disks as well as the logical RAID array devices as well In this example we will choose the first RAID array sda Using the arrow keys navigate to the desired RAID array select...

Страница 14: ...0 00 0 0 2 1 0 RAID 10 Array Optimized sdc 0003 70 00 0 0 2 2 0 RAID 5 Array Optimized To display the current caching mode for the first RAID array we do the following iprconfig c query write cache po...

Страница 15: ...Systems 57D7 57B4 Adapter Write Cache Version 1 3 dated May 19 2016 Chapter 5 Support Problems this feature should be reported using the normal IBM Support process by opening a hardware support ticket...

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