HP-UX Logical Volume Manager and MirrorDisk/UX Release Notes HP-UX 11i v3 March 2014 Release (B.11.31) HP Part Number: 762804-001 Published: March 2014 Edition: 3.
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Contents HP secure development lifecycle......................................................................5 1 Logical Volume Manager and MirrorDisk/UX release notes..............................7 1.1 About this document............................................................................................................7 1.2 LVM and MirrorDisk/UX overview.........................................................................................7 1.2.1 Overview of changes.............................
HP secure development lifecycle Starting with HP-UX 11i v3 March 2013 update release, HP secure development lifecycle provides the ability to authenticate HP-UX software. Software delivered through this release has been digitally signed using HP's private key. You can now verify the authenticity of the software before installing the products, delivered through this release. To verify the software signatures in signed depot, the following products must be installed on your system: • B.11.31.
1 Logical Volume Manager and MirrorDisk/UX release notes 1.1 About this document This document provides information about the Logical Volume Manager (LVM) and the MirrorDisk/UX products for the March 2014 release of HP-UX 11i v3. 1.2 LVM and MirrorDisk/UX overview The Logical Volume Manager (bundle BaseLVM) is the HP-UX default Volume Manager. It provides user with flexibility in configuring and managing mass storage resources.
1.3 Fixed issues in this version Table 1 (page 8) lists the LVM and MirrorDisk/UX defects fixed in the March 2014 release of HP-UX 11i v3. Table 1 LVM Fixes in HP-UX 11i v3 March 2014 release Defect ID QXCR1001309373 Description Critical: Yes (ABORT) Serviceguard packages that make use of LVM 2.2 volume groups need an extended amount of time to halt in case there is no access to the disks of the volume groups. This is applicable to VG version 2.2.
1.4 Known issues and limitations This section provides a list of known issues applicable to current and previous releases. It also includes limitations as known to HP at time of publication. If workarounds are available, they are included. 1.4.1 Known issues 1.4.1.1 vgmodify fails with I/O error in MMB(Maintenance Mode Boot) Defect ID QXCR1001327180 Problem In MMB(Maintenance Mode Boot), vgmodify on root VG fails with I/O error. Example: # vgmodify -p 8 -e 10240 /dev/vg00 ...
1.5.1 Required hardware LVM and MirrorDisk/UX have no additional hardware requirements other than the requirements of the HP-UX 11i v3 operating system. Both products run on all supported HP 9000 and HP Integrity servers. However, there are specific hardware (HBAs) prerequisites for using LVM boot disks of size greater than 2TB. For information about hardware supported with LVM boot disks of size greater than 2TB, see the LVM System Administration Guide at http://www.hp.com/go/ hpux-LVM-VxVM-docs . 1.5.
1.5.3.4 HP Serviceguard To support Version 2.0 volume groups, HP Serviceguard 11.18 requires the April 2008 patch. Customers requiring Version 2.1 volume group support or Version 2.0 and higher cluster lock disks must install the HP Serviceguard September 2008 patch. For more information, see the HP Serviceguard Version A.11.18 Release Notes. Cluster device special files (cDSFs) require the installation of the following patches on HP-UX 11iv3 September 2010 OE: • PHSS_41225 11.31 Serviceguard A.11.20.
1.6 Compatibility issues 1.6.1 Version 2.x volume groups • Version 2.2 volume groups are not recognized on previous releases of HP-UX, including versions of HP-UX 11i v3 prior to the March 2010 Update release. Version 2.1 volume groups are not recognized on previous releases of HP-UX, including versions of HP-UX 11i v3 prior to the September 2008 release. Version 1.0 volume groups are supported on all supported versions of HP-UX, including 11i v1, 11i v2, and 11i v3.
Alternatively, you can disable multipathing for all legacy device files with this command: # scsimgr save_attr -a leg_mpath_enable=false Note that this has no effect on multipathing through persistent device special files. For more information, see scsimgr(1M). 1.6.4 Moving volume groups from HP-UX 11i v3 to previous HP-UX releases If a volume group used on HP-UX 11i v3 is accessed from a system running a previous release of HP-UX 11i, you might encounter these compatibility issues: • Version 2.
1.6.5 Sharing volume groups in an HP Serviceguard cluster To share a volume group in an HP Serviceguard cluster where the cluster nodes have different versions of the LVM product installed, use the following guidelines: • To share a version 2.1 volume group, you must install the HP-UX 11i v3 September 2008 release or above on all the cluster nodes. • To share a 2.2 volume group, you must install the HP-UX 11i v3 March 2010 release or above on all the cluster nodes.
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