Question about Installed LVM with VXvs

[jmckinzie]

ok, i have a system with LVM with VXvm installed for the root disk.

Currently, i thought i was using lvm but, in the fstab it says they are veritas.

when i do a vxprint, i see no disks

So, my question is, to mirror the root disk, do i use lvm procedures?

If so, could some provide the exact procedures to complete this and have a bootable mirrored disk?

I also want to set it up so, i can type bo alt at the MP to boot the alternate disk.

Thanks in advance....

I will not forget to assign points.

[Jeff_Traigle]

What does your fstab entry look like?

Just because VxVM may be installed doesn't mean it's being used. VxVM is a volume manager (comparable to LVM). VxFS is a file system. It's not clear from the information you've provided exactly what your configuration is.

A sample entry for LVM is going to look like this:

/dev/vg00/tmp /tmp vxfs nosuid,delaylog 0 2

If you're entries look similar and you can run lvdisplay against the first column of an entry (e.g. lvdisplay /dev/vg00/tmp), you're using LVM as your volume manager.

You didn't say what version of OS you're running, but the procedure for mirroring root LVs for Itanium is:

http://h21007.www2.hp.com/portal/site/dspp/menuitem.863c3e4cbcdc3f3515b49c108973a801?ciid=00089099cee021109099cee02110275d6e10RCRD

[Emil Velez]

you are using LVM with VXFS (Veritas file system) not volume manager.

HPUX 11.23 supports VXVM for the boot disk if you want but that is a different option.

When you install HPUX 11.11,11,23 or 11.31 you can install the boot disk with LVM but install vxvm for a volume manager of other disks. That is probably what you have.

You probably need to run vxinstall once to startup the vxvm daemons if the boot disk is not using vxvm to manage any disks.

[Torsten.]

>> in the fstab it says they are veritas.



Please show us.

[Manix]

Hello I believe !!

fstab shows "vxfs" that is veritas file system rather then veritas like the output below.

/dev/vg00/lvol3 / vxfs delaylog 0 1
/dev/vg00/lvol1 /stand vxfs tranflush 0 1
/dev/vg00/lvol4 /home vxfs delaylog 0 2
/dev/vg00/lvol5 /opt vxfs delaylog 0 2
/dev/vg00/lvol6 /tmp vxfs delaylog 0 2
/dev/vg00/lvol7 /usr vxfs delaylog 0 2
/dev/vg00/lvol8 /var vxfs delaylog 0 2
/dev/vx/dsk/crsdg19/crsvol /oracrs2 vxfs delaylog 0 2
/dev/vx/dsk/bindg19/binvol /oracle vxfs delaylog 0 2


yes ..you may mirror using LVM disk.

But mirroring varies between itanium & PARICS
architecture ,please provide the model details so that i may help furhter.


Thanks

Manix

Where is a shell there is a way !!

[Alzhy]

PepelZ,

VxVM is a volume manager
VxFS is a filesystem

They're INDEPENDENT of each other! This means - you can have a VxFS filesystem created on top of a disk even (i.e.: mkfs -F vxfs /dev/rdsk/c100t100d100 or mkfs -F vxfs /dev/rdisk/disk99p1)


Your /etc/fstab shows "vxfs" as the Filesystem Type because Journal FIle System (JFS) and its other cousin Online Journal Filesystem (oJFS) are indeed VXFS filesystems! HP continues to OEM the filesystem technology from Symantec as the fruits of the Tru64 acquisition NEVER came to be....