(resending complete message to the list).
Adrian Ulrich schrieb am 2006-07-31:
> Hello Matthias,
>
> > This looks rather like an education issue rather than a technical limit.
>
> We aren't talking about the same issue: I was asking to do it
> on-the-fly. Umounting the filesystem, running e2fsck and resize2fs
> is something different ;-)
There was stuff by Andreas Dilger, to support "online" resizing of
mounted ext2 file systems. I never cared to look for this (does it
support ext3, does it work with current kernels, merge status) since
offline resizing was always sufficient for me.
> A colleague of mine happened to create a ~300gb filesystem and started
> to migrate Mailboxes (Maildir-style format = many small files (1-3kb))
> to the new LUN. At about 70% the filesystem ran out of inodes;
Well - easy to fix, newfs again with proper inode density (perhaps 1 per
2 kB) and redo the migration. Of course you're free to pay for a new
file system if your fellow admin can't be bothered to remember newfs's
-i option.
> > Well, such "silly limitations"... looks like they are mostly hot air
> > spewn by marketroids that need to justify people spending money on their
> > new filesystem.
>
> Have you ever seen VxFS or WAFL in action?
No I haven't. As long as they are commercial, it's not likely that I
will.
> Great to see that Sun ships a state-of-the-art Filesystem with
> Solaris... I think linux should do the same...
I think reallocating inodes for UFS and/or ext2/ext3 is possible, even
online, but someone needs to write, debug and field-test the code to do
that - possibly based on Andreas Dilger's earlier ext2 online resizing
work.
--
Matthias Andree
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