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- Page 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...
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Page 2: Table Of Contents
IBM Power Systems 57D7/57B4 Adapter Write Cache Version 1.3 dated May 19, 2016 Contents 1 Feature Description 2 Software and Hardware Requirements 2.0.1 Supported Systems ........ -
Page 3: Feature Description
This document describes how to enable and use the new volatile adapter write cache feature for the integrated SAS controllers in the #EL3T and #EL3V SAS backplanes on IBM Power 8247-21L and 8247-22L systems, the integrated SAS controllers in the #EJ0N and #EJ0S SAS backplanes on the IBM Power 8247-42L, and the PCIe3 x8 SAS RAID adapter low profile Quad Port 6Gb (#EJ0J and #EJ0M). -
Page 4: Software And Hardware Requirements
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... -
Page 5: Minimum Sas Raid Adapter Firmware Level
IBM Power Systems 57D7/57B4 Adapter Write Cache Version 1.3 dated 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... -
Page 6: Installation Instructions
Ubuntu distribution. In this case, you can skip ahead to section 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 RPM file and how to configure the repository: http://www14.software.ibm. -
Page 7: Manual Installation
IBM Power Systems 57D7/57B4 Adapter Write Cache Version 1.3 dated May 19, 2016 Ensure the iprutils daemons are enabled to start on the next boot. Please note, that the iprinit daemon must be enabled and running for this write cache feature to get enabled at boot time. -
Page 8: Adapter Firmware Installation Instructions
# chkconfig iprinit on # chkconfig iprupdate on # chkconfig iprdump on Adapter Firmware Installation Instructions The required 14511900 version of SAS adapter firmware to enable this feature can be downloaded from IBM Fix Central at the following URL: http://www.ibm.com/support/fixcentral/main/quickorder?parent= Power%2BIO%2BFirmware&product=ibm/io/featurecode/EJ0T&release=all&platform=all&function=all&source= fc. - Page 9 IBM Power Systems 57D7/57B4 Adapter Write Cache Version 1.3 dated May 19, 2016 Select option 2. Download latest microcode to all devices, and press Enter. Work with microcode updates Select one of the following: 1. Download microcode 2. Download latest microcode to all devices...
- Page 10 IBM Power Systems 57D7/57B4 Adapter Write Cache Version 1.3 dated May 19, 2016 The current version of the adapter firmware can be confirmed by selecting option 1. Display hardware status. This should present a screen similar to this: Display Hardware Status Type option, press Enter.
- Page 11 This should display a screen similar to the screen below. IOA Hardware Resource Information Details Manufacturer ....: IBM Machine Type and Model ..: 57D7001SISIOA Firmware Version .
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Page 12: Feature Enablement
IBM Power Systems 57D7/57B4 Adapter Write Cache Version 1.3 dated May 19, 2016 Chapter 4 Feature Enablement Curses Interface By default, the write cache should now be set to Write Back, indicating the adapter volatile write cache is enabled. This can be confirmed by selecting option 4. Work with configuration options from the main menu, then pressing Enter. - Page 13 IBM Power Systems 57D7/57B4 Adapter Write Cache Version 1.3 dated May 19, 2016 You should now see a screen similar to the following. Change Disk Configuration Type option, press Enter. 1=Change Disk Configuration OPT Name PCI/SCSI Location Description Status --- ------ ------------------------- ---------------------------- ------------- 0003:70:00.0/0:2:0:0...
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Page 14: Command Line Interface
IBM Power Systems 57D7/57B4 Adapter Write Cache Version 1.3 dated May 19, 2016 Command Line Interface Alternatively, the iprconfig command line interface can be used to display and change the current caching mode. To list the current hardware RAID arrays current configured on the system use the following com-... -
Page 15: Support
IBM Power 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. 15 of...