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Re: Online resizing support for ext3 in RHEL 4



On 8/19/05, Ed Wilts <ewilts ewilts org> wrote:
> RHEL questions should be posted to the distribution-specific lists, not
> redhat-list.  You'll get far better reponses that way since the Red Hat
> engineers hang out there more than here.
> 
> taroon-list:    RHEL 3
> nahant-list:    RHEL 4
> 
> On Fri, Aug 19, 2005 at 09:20:00AM -0500, Justin Conover wrote:
> > QUOTE
> > "Alex asked:
> >
> > I've got some AIX/HP-UX/Solaris sysadmins around my office that
> > complain that the Red Hat Enterprise Linux platform is weak because it
> > does not support the resizing of mounted filesystems.
> 
> You know, Solaris doesn't really support online resizing either.  You
> can extend a logical volume, you but you sure as heck can't extend the
> size of a given partition, at least in Solaris 9 (so says my Solaris
> admin).
> 
> > I did some basic google searching and it appears they're correct, to
> > expand an ext3 filesystem you have to unmount it. Is support for
> > online resizing going to be added to ext3 soon? Will Red Hat
> > Enterprise Linux ever support it?  To which Shadowman replies:
> >
> > Online resizing support for ext3 hit the mainline kernel in 2.6.10
> > last November or thereabouts. The tools to take advantage of this
> > support are in e2fsprogs 1.36.
> >
> > None of this code is in Red Hat Enterprise Linux 4 (kernel 2.6.9 and
> > e2fsprogs 1.35), but all of it is in Fedora Core 4 (kernel 2.6.11 and
> > e2fsprogs 1.37). Therefore, it's an exceedingly good bet that online
> > resizing will be available, and very well baked, in Enterprise Linux
> > 5. "
> >
> > /QUOTE
> >
> > Is shadowman wrong? I use a rhel 4 clone at home on a server and I
> > know I use ext2online often.
> 
> According to the Red Hat documentation and the nahant mailing lists,
> Shadowman is wrong.  Online expansion is in RHEL 4.  You can't reduce
> the size of a volume online though.  You can do an rpm -q --changelog on
> the kernel and e2fsprogs rpms.
> 
> I'd like to see you repost this to nahant-list.  It's tough to fathom
> that shadowman could be wrong on this and I am most definitely NOT the
> right person to contradict him.
> 
> --
> Ed Wilts, RHCE
> Mounds View, MN, USA
> mailto:ewilts ewilts org
> Member #1, Red Hat Community Ambassador Program
> 
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> 


Done,

Sent to nahant list, rather confused about that, since Like I said I
am able to do it on a clone.


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