From: veritas-vx-boun...@mailman.eng.auburn.edu
[mailto:veritas-vx-boun...@mailman.eng.auburn.edu] On Behalf Of Con
Tractor
Sent: Tuesday, 23 December 2008 8:21 AM
To: Veritas-vx@mailman.eng.auburn.edu
Subject: [Veritas-vx] fsgen vx gen questions
A few questions for you VXVM gurus:
1. What are the differences between volumes of type gen and fsgen?
2. Is there a way to convert volumes of type gen into fsgen volumes?
3. If so, can it be done while the volume is in use?
4. I mirrored a volume, broke off the mirror plex, created a new volume
using that plex and noticed it was a gen volume instead of fsgen.
Orig is fsgen. Is there a way to do this without losing the fsgen?
This is VXVM 5.0MP1 on Solaris 10. (we'll be patching to MP3 soon)
Hi Con,
We don't use gen filesystem types here, so i am not familar with them.
From the vxintro man page it says:
Several basic usage types are
included with VxVM: fsgen, for use with volumes
that contain file systems; gen, for use with
volumes that are used as swap devices or for other
applications that do not use file systems; raid5,
for use with RAID-5 volumes; and special root and
swap usage types, which are specifically for use
with the root file system volume and the primary
swap device.
So I would suspect that it is a raw filesystem for a database of some
sort.
I don't think you can convert a gen into a fsgen, but again, a guru
would know the answer to that one.
As for #4, I'm not sure how that could have happened. One possibility
is that you used vxassist to create the volume, and the file
/etc/default/vxassist file has the default volume type as gen.
Greg.
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