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VxVM and MPxIO
Post 302312461 by bluescreen on Friday 1st of May 2009 12:34:50 PM
05-01-2009
VxVM and MPxIO
Last week I read that VxVM won't work with MPxIO (i don't recall the link) and that it should be unconfigured when installing VxVM. Today I read that VxVM works in "pass-thru" mode with MPxIO and DMP uses the devices presented by MPxIO.
If I create disks with MPxIO and use VxVM to create volumes for my DBAs, do I get reduced functionality/reliability if something fails? -OR- Should I install VxVM (or the broader package: Veritas Storage Foundation for Oracle RAC) and use the Dynamic multi-pathing (DMP) without MPxIO?
Thanks is Advance!
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LEARN ABOUT HPUX
vxbootsetup
vxbootsetup(1M) vxbootsetup(1M) NAME
vxbootsetup - set up system boot information on a Veritas Volume Manager disk SYNOPSIS
/etc/vx/bin/vxbootsetup [-g diskgroup] [medianame ... ] DESCRIPTION
The vxbootsetup utility configures physical disks so that they can be used to boot the system. Before vxbootsetup is called to configure a disk, the required volumes, standvol, rootvol and swapvol (and optionally, dumpvol) must be created on the disk. All of these volumes must be contiguous with only one subdisk. The -g option may be used to specify the boot disk group. If no medianame arguments are specified, all disks that contain usable mirrors of the root, swap, /usr and /var volumes are configured to be bootable. If medianame arguments are given, only the disks that are associated with the specified disk names are configured to be bootable. vxbootsetup requires that: o The root volume must be named rootvol and must have a usage type of root. o The swap volume must be named swapvol and must have a usage type of swap. o The volumes containing /usr and /var (if any) must be named usr and var, respectively. See the chapter "Recovery from Boot Disk Failure" in the Veritas Volume Manager Troubleshooting Guide for detailed information on how the system boots and how VxVM impacts the system boot process. The vxmirror, vxrootmir, and vxresize utilities call vxbootsetup automatically. If you use vxassist, or vxmake and vxplex to create mirrors of the root volume on a disk, you must run vxbootsetup explicitly to make the disk bootable. ARGUMENTS
medianame Specifies the disk name (disk media name) of a VM disk that is to be configured as bootable. SEE ALSO
disksetup(1M), edvtoc(1M), vxassist(1M), vxevac(1M), vxinstall(1M), vxintro(1M), vxmake(1M), vxmirror(1M), vxplex(1M), vxresize(1M), vxrootmir(1M) Veritas Volume Manager Troubleshooting Guide VxVM 5.0.31.1 24 Mar 2008 vxbootsetup(1M)