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Operating Systems AIX Position of the logical volume on the physical volume Post 302751727 by kah00na on Friday 4th of January 2013 11:04:57 AM
Old 01-04-2013
In smitty when you are creating a LV, you'll see:
Code:
POSITION on physical volume                         middle

You can change this to whatever you want. If you are using a SAN though, it probably won't make any difference since most modern SANs move data around as needed and spread it across multiple disks all unknown to the OS. If you are using internal physical disks, you will most likely see a difference - outer is faster than the inner because the head that reads the disk can read more on the outer edge because more disk is passed under it in a single disk rotation.
 

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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)
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