HP AJ878A - StorageWorks 320 GB Hard Drive Bedienungsanleitung

HP StorageWorks IO Accelerator Driver

1.2.7

Release Notes

Part number: 595174-001

Third edition: November 2009

Legal and notice information

Confidential computer software. Valid license from HP required for possession, use or copying. Consistent with FAR 12.211 and 12.212,

Commercial Computer Software, Computer Software Documentation, and Technical Data for Commercial Items are licensed to the U.S.

Government under vendor's standard commercial license.

The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the

express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional

warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.

WARRANTY STATEMENT: To obtain a copy of the warranty for this product, see the warranty information website:

http://www.hp.com/go/storagewarranty

Intel, Itanium, Pentium, Intel Inside, and the Intel Inside logo are trademarks or registered trademarks of Intel Corporation or its subsidiaries

in the United States and other countries.

Microsoft, Windows, Windows XP, and Windows NT are U.S. registered trademarks of Microsoft Corporation.

UNIX is a registered trademark of The Open Group.

Printed in the US

Description

This document describes information about the 1.2.7 release of the IO Accelerator driver, including

a list of changes, firmware compatibility, download location, and notes and instructions on upgrading

from a previous version of the driver.

Version 1.2.7

Supersedes 1.2.4

Update recommendation Routine

Languages International English

Prerequisites

IMPORTANT:

As a precaution, HP recommends backing up all data on the IO Accelerator before performing any

device upgrade.

•On the first driver load after an upgrade, the driver initialization will take several minutes. During

this time the drive is rebuilding the metadata to be compatible with the new format.

•The 1.2.7 firmware is not compatible with earlier driver versions. Upgrading the firmware without

updating the driver will cause the IO Accelerator to report an error (in the system log) stating that

“Not all chips answered….”Upgrade your driver to 1.2.7 to resolve this problem.

Product models

The following IO Accelerator models are represented in this document:

•HP StorageWorks 80GB IO Accelerator for BladeSystem c-Class (80GB IO Accelerator)

•HP StorageWorks 160GB IO Accelerator for BladeSystem c-Class (160GB IO Accelerator)

•HP StorageWorks 320GB IO Accelerator for BladeSystem c-Class (320GB IO Accelerator)

HP StorageWorks IO Accelerator Driver 1.2.7 3

Operating systems

The IO Accelerator driver works with many Linux kernels, and has been verified using the operating

systems and kernel versions listed in the following table. Kernels similar to those listed should work

as well.

Table 1 Qualified Linux Kernels

KernelsOS

2.6.9-22.ELsmp

2.6.9_34.ELlargesmp

2.6.9_34.ELsmp

2.6.9-42.ELlargesmp

2.6.9-42.ELsmp

2.6.9-55.ELlargesmp

2.6.9-55.ELsmp

2.6.9-67.ELlargesmp

2.6.9-67.ELsmp

2.6.9_78.0.8.ELlargesmp

2.6.9_78.0.8.ELsmp

2.6.9_78.ELlargesmp

2.6.9_78.ELsmp

2.6.9_89.ELlargesmp

2.6.9_89.ELsmp

Red Hat Enterprise Linux 4

2.6.18_120.el5

2.6.18_128.el5

2.6.18_128.el5xen

2.6.18_164.el5

2.6.18_164.el5xen

2.6.18_53.el5

2.6.18_53.el5xen

2.6.18_8.el5

2.6.18_8.el5xen

2.6.18_92.1.22.el5

2.6.18_92.1.22.el5xen

2.6.18_92.el5

2.6.18_92.el5xen

Red Hat Enterprise Linux 5

2.6.16.46-0.12-smp

2.6.16.60-0.21-smp

SLES 10

KernelsOS

2.6.27.19_5_default

2.6.27.19_5_xen

2.6.27.21_0.1_default

SLES 11

Table 2 Qualified Windows Kernels

Supported OSOS

Microsoft Windows Server 2003 x64 Editions R2

Microsoft Windows Server 2008 x64 - Server Edition

Windows

Compatible Firmware Versions

CAUTION:

This list shows compatible versions, but the latest firmware is highly recommended for all HP

StorageWorks IO Accelerator types.

•Release 1.2.4: firmware revision 17350 (filename: iodrive_17350.fff)

•Release 1.2.7: firmware revision 36867 (filename: iodrive_36867_1.fff)

Release 1.2.7 Change Log

•Updated HP StorageWorks IO Accelerator Manager (Windows), first release for Linux

•Flashback (25th "parity" chip) improvements

•New firmware: 3.0.0/36867

•Support for SLES11

•New fio-win-bugreport command line tool for Windows

•fio-pci-check for Windows

•fio-status and ioManager show when drive is approaching reduced write performance

•Improved error handling during startup

•Improved Linux kernel version matching during driver build

NOTE:

Fixed time-change sensitivity issue that could cause the watchdog timer to fire incorrectly and disable

a drive during operation. This could occur during a Daylight Savings Time change, or any other

forward time change on both Linux and Windows.

Installation instructions

For more information about the download location and installation instructions, please visit the following

links;

HP StorageWorks IO Accelerator Driver 1.2.7 5

HP BladeSystem technical resources (white papers and support documents): http://www.hp.com/

go/bladesystem/documentation

HP BladeSystem components: http://h18004.www1.hp.com/products/blades/components/

c-class-components.html

IO Accelerator Documentation: http://www.hp.com/go/bladesystem/mezzanines

HP support: http://www.hp.com/support

Linux-Specific information

Linux MD RAID5 performs poorly

The Linux kernel RAID5 implementation performs poorly at high data rates. This must be fixed in the

Linux kernel and is not controlled by HP. Alternatives include using RAID10, or possibly a third-party

RAID stack. The cause of the issue is believed to be that the RAID5 parity calculation is handled by

a single kernel thread, which doesn’t match the performance of an array of IO Accelerator drives.

Drivers not installed after updating kernel

When the driver is installed for a specific kernel version and the kernel version is changed for any

reason, the IO Accelerator driver RPM must be reinstalled to work with the new kernel version. The

utilities and firmware RPMs do not have to be reinstalled.

Driver may not autoload in some distributions

When using RHEL4 and SLES10, the driver installation package may not properly configure itself to

be automatically loaded in all run level boot sequences. To check, after you have installed the driver,

run the following command at a shell prompt:

$ chkconfig –list | grep iodrive

You should see:

$ iodrive 0:off 1:on 2:on 3:on 4:on 5:on 6:off

This shows that the driver will load if the server is booted at run levels 1-5. At a minimum, the run

levels at which you would ever use or maintain the IO Accelerator must be enabled. If that’s not the

case, run the following commands at a shell prompt (with root privilege):

$ chkconfig --del iodrive

$ chkconfig --add iodrive

$ chkconfig --list | grep iodrive

You should now see the result shown above. If you need further assistance, contact HP Support http:/

/www.hp.com/support.

IO Accelerator Driver is not SLES11 Certified

Loading the driver on SLES11 requires a work-around because the driver is not certified. This

workaround is implemented by the SLES11 installer. If you are doing a manual installation of the

RPMS, in order to load the driver, one of the following is required:

Add --allow-unsupported to the modprobe line used to load the fio-driver module.

Add the following line to /etc/modprobe.d/iodrive

allow_unsupported_modules 1

Additionally, comment out the following line in /etc/modprobe.d/unsupported-modules so it looks

like:

# allow_unsupported_modules 0

SLES10 mke2fs -t ext3 reports "Invalid block count - /dev/fioa"

Use mkfs.ext3 instead.

udev times out during long attaches

When several IO Accelerators are installed in a single server, or more commonly if several IO

Accelerators are not shut down cleanly, udev will time out before the driver finishes loading, leaving

any filesystems in /etc/fstab unmountable and will send the system into single-user mode. If this

happens, allow the system to come up and all IO Accelerators to finish attaching (check with fiostatus),

then remove the fio-driver module and reboot cleanly. In order to avoid this use the provided

/etc/init.d/iodrive script. See the IO Accelerator for BladeSystem c-Class user guide for details on

using the init script.

NOTE:

LINUX SNMP setup: Changes to the SNMP configuration file are needed for SNMP to work with Linux.

Please refer to

IO Accelerator for BladeSystem c-Class user guide

for more information.

NOTE:

If using System Management Homepage (SMH), the logical capacity values may show invalid data.

This will be fixed in a future release.

Windows-specific information

Conversion from GPT to Dynamic disk terminates Logical Disk Manager Admin

Service

This issue appears when converting a partition from GPT to Dynamic volume. The exact message is

“The Logical Disk Manager Administrative Service terminated unexpectedly.”Restart the “Virtual Disk”

service. Right-click “My Computer”and select Manage. From the list of service, find the LDM service

and right-click it and select Start.

Hibernation image save unsupported

Using an IO Accelerator for saving a hibernation image is not supported.

HP StorageWorks IO Accelerator Driver 1.2.7 7

Use of IO Accelerators as a swap/paging or hibernation device not supported

Using the IO Accelerator as a paging/swap device or a hibernation target is not currently supported.

While this setup may appear to work, when stressed it may fail.

Windows system failure dump directory unsupported

Using an IO Accelerator as a target for a Windows System Failure dump directory is not supported.

This will be resolved in a future release.

Partition Commander can cause attach and other failures

The Partition Commander tool is currently incompatible with the IO Accelerator product family.

Intermittent errors may occur when using this tool.

NOTE:

If using System Management Homepage (SMH), the logical capacity values may show invalid data.

This will be fixed in a future release.

Windows Upgrade

To upgrade existing cards to 1.2.7 from 1.2.4, refer to the following steps.

1. Ensure hardware is installed and available.

2. Download and copy the HP StorageWorks IO Accelerator 1.2.7 self-extracting package to the

system.

3. If data is on the IO Accelerator drives, backup, then take the drives offline through the Windows

Disk Administrator/Manager.

4. Remove ioManager 1.2.4 software through the Windows Control Panel (uninstall programs).

5. Reboot system. The 1.2.7 installer will prompt user to remove previous versions of software and

reboot prior to installation of 1.2.7.

6. Install the HP StorageWorks IO Accelerator 1.2.7 software. This will also extract the firmware

image used to update the IO Accelerator card.

7. Reboot

NOTE:

HP IO Manager 1.2.7 won't detect the card until the system is rebooted, rendering it unable to

update the firmware prior to rebooting.

8. Use HP IO Manager to flash upgrade the IO Accelerator card's firmware (HP IO Manager 1.2.7

will detect cards with previous 17350 firmware.

NOTE:

Firmware revision 36867 is required with driver version 1.2.7. Firmware revision 17350 was

delivered with the previous 1.2.4 software.

9. Once firmware has been upgraded, the user will be prompted to shutdown. Please shutdown.

NOTE:

Changes to IO Accelerator drive firmware will not take effect until a shutdown is complete. One

can re-attach the IO Accelerator drive without rebooting, but new firmware doesn't appear in

the HP IO Manager until a complete power cycle (shutdown) has taken place.

Determining current version

Determining current Linux version

1. From shell prompt, enter the following command to show the current version of the software that

is installed:

rpm -qa | grep iodrive

2. To upgrade the driver, you must uninstall the existing driver, utilities and firmware before installing

the new versions. Use the –Uparameter in the RPM installation command string to automatically

uninstall the old versions as part of the command task.

To upgrade the driver, see IO Accelerator for BladeSystem c-Class user guide for complete information.

NOTE:

Instructions provided with the new code define what you need to do with each release. Make sure

you read the release notes as well as the install instructions and User Guide to ensure no loss of data.

Determining current Windows version

1. Open Device Manager by right-clicking My Computer, and then selecting Properties>Device

Manager.

2. To upgrade the driver, see IO Accelerator for BladeSystem c-Class user guide for more information.

HP StorageWorks IO Accelerator Driver 1.2.7 9

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