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Full Discussion: Some doubts about resizing fs's in HP-UX
Operating Systems HP-UX Some doubts about resizing fs's in HP-UX Post 302496219 by asanchez on Saturday 12th of February 2011 08:43:56 PM
Old 02-12-2011
First of all, thank you for your reply.

But there are some things I don't understand:

Quote:
Originally Posted by methyl
First find out what Operating System version you have:
Code:
uname -a

The package concerned is known as "Online JFS".
JFS=Journal Filesystem
What's the relation between the HP-UX version and onlinejfs? Why do I need the version of the OS in order to know if the system is able to resize online?

Quote:
Originally Posted by methyl
The presence of a package does not mean that you are using it.
I know it, but my question was: how can I be sure my system is able to resize online: by swlist -v | grep -i jfsonline OR vxlicrep and see if HP_OnlineJFS = Enabled? And what happens if i.e. I have the packet installed but I don't have the license, am I able then? and viceversa?

My other question was if vxfs is the only fs type on hp-ux capable of being resized online.

Quote:
Originally Posted by methyl
This should give you an idea what's installed and what's running:

Code:
swlist -v | egrep -i "lvm|veritas|jfs"
ps -ef|egrep -i "lvm|vx"|grep -v "grep"
If the "ps" only mentions "vx" not "lvm" there is a fair chance that you have pure Veritas ... or vice versa. Take advice from your support agency before deciding.
So if I execute the ps and grep shows only vx then ALL my filesystems have the underlying vm VxVM OR is it possible to have a system that i.e has some filesystems with LVM under and other filesystems with VxVM underlying. In that case, how do I know if a fs is using one or the other?

Quote:
Originally Posted by methyl
"lvextend" is an LVM command.
XXX is the new size of the Logical Volume (comparable to a disc partition) in Megabytes (i.e. not the filesystem).
Ok but the size is interpred in powers of 2 or powers of 10? I mean, if i want to put 1 Gigabyte, X=1024 or X=1000?

And finally,

LVM: what's better to use, lvextend (extends lvol) + fsadm (resizes fs) OR lvextend + extendfs_vxfs?

VxVM: Is it the same commands? lvextend + one of {fsadm_vxfs, extendfs_vxfs}?
 

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