Re: [EXT3/JBD] Periodic journal flush not enough?
From: Andrew Morton
Date: Fri Mar 26 2004 - 18:49:06 EST
Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> wrote:
> I've encountered a problem with the journal flush timer. The problem
> is that when a filesystem is short on space, relying on a timer-based
> flushing mechanism is no longer adequate. For example, on my P4 2GHz
> I can trigger an ENOSPC error by doing
> while :; do echo test > a; [ -s a ] || break; rm a; done; echo Out of space
> on an ext3 file system with 12Mb of free space using the usual 5s
> journal flush timer.
I cannot reproduce this. Please send more details. Journalling mode,
kernel version, etc.
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