Re: [tlug] LVM groks JFS and XFS (was Kubuntu 6.06 Seems Good So Far)

[Alain Hoang <hoanga@example.com>]

Jim wrote:
> Alain Hoang wrote:
>
>   
> > JFS and XFS as far as I know don't seem to support LVM.
> >     
>
> LVM may be used with ext2, ext3, reiserfs, JFS, and XFS. 
>   
   Ouch! smacked by the pedantic patrol.   My comments on JFS and XFS 
in relation to LVM was outright incorrect.  I should do more research 
before I say anything (or I can continue say things and get them wrong 
and let the friendly members of TLUG fire arrows my direction). 
   After a little bit more snooping on http://jfs.sourceforge.net it 
seems that JFS only grows and does not shrink as well.  From the Mount 
Options page:

"JFS only supports growing a volume, not shrinking it."

   Okay, now I'm going to claim that you can't shrink your partitions 
if you use JFS or XFS but that seems to be a limitation of the 
filesystem rather than LVM.   I guess if you want to be insistent on 
shrinking a non-shrinking filesystem you can resize your PV and watch 
your partition get VERY VERY unhappy  :)  If you need the capability to 
shrink your partitions you're left with ext3 or reiserfs however a 
recent bad bout with reiserfs has turned me off to reiserfs.

> Drink here: 
>
>    http://www.colug.net/pipermail/colug432/2006-March/002444.html
>
> If you can remember being on the bus, you weren't there. 
>
>   
   I only remember paying the bus fee or perhaps more appropriate... 
having it shaken out of me.  The ride I have no recollection of!


Alain