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Re: extremely slow parted execution

From: Andrew Clausen
Subject: Re: extremely slow parted execution
Date: Tue, 22 Apr 2003 08:48:57 +1000
User-agent: Mutt/1.4i

Sorry for the extremely late reply.

On Wed, Mar 26, 2003 at 07:45:25PM +0100, Attila Tajti wrote:
> I'm having a problem with parted executing very slowly.
> I tried to resize a partition a 16G FAT32 on my Gentoo Linux system 
> (2.4.20-lolo-r2_pre5 kernel, Athlon 1.2GHz, 512M RAM, 80G UDMA 66 disk).
> I tried to resize my last partition, which was 16G to free up 10G. It was 10% 
> full (~1.6G so 6G should be ok). Parted seem to be working with 100% CPU
> utilisation, but I see only a short blink of the HDD led in every 3-4 seconds.
> dmesg contains only the line "invalidate: busy buffer" in it.

That is very odd.  I don't really have any theories... could you run
"strace parted", and tell me what operations are taking a long time?

> It is still 
> running, but I think I'll have to abort the resize process. I backed up my 
> most important data anyway.

It is safe to interrupt the resize process (except for a very small window
at the very end).


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