On Thu, 2002-01-17 at 13:31, Wessel Dankers wrote:
> On 2002-01-17 13:13:04-0600, Steve Lord wrote:
> > Someone else just pointed out that forced shutdown is overwriting the
> > super block - which is not good. There appear to be a bunch of dirty
> > buffers with a zero disk address in them left behind. It is being
> > worked on.
>
> Ok, great!
>
> Any idea what's causing the forced shutdown in the first place, though?
Buffered I/O beyond 2^44 bytes into the sparse file probably. There is
a hole in the code here. The linux VM uses a 32 bit page number
index to index cache data. So 2^32 * 4096 is as bit as you can go.
XFS is letting file offsets bigger than this in and not handling the
results.
Steve
>
> --
> Wessel Dankers <wsl@xxxxxxxxxxxx>
>
> Borg nanites have infested the server
--
Steve Lord voice: +1-651-683-3511
Principal Engineer, Filesystem Software email: lord@xxxxxxx
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