Online resizing support for ext3 in RHEL 4
From: Justin Conover (justin.conover_at_gmail.com)
Date: Fri, 19 Aug 2005 09:20:00 -0500 To: email@example.com
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. 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
To which Shadowman replies:
First, for everything you could possibly want to know about the latest
and greatest happenings in ext3, Shadowman recommends that you check
out the paper presented by Mingming Cao at the 2005 Ottawa Linux
Symposium just last month.
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
Is shadowman wrong? I use a rhel 4 clone at home on a server and I
know I use ext2online often.
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