[Pvfs2-users] File Disappears

Michael Moore mtmoore at omnibond.com
Wed Jan 19 09:40:12 EST 2011


Hi Kyungwon,

I do not see the behavior you described with a quick test on a CentOS
5.5 host with kernel 2.6.18-194.26.1.el5. I will try it on Debian 5.0.6.

What is your server configuration? A single metadata / I/O server or
something else?

Michael

On Wed, Jan 19, 2011 at 4:58 AM, 전경원 <kwchun at gist.ac.kr> wrote:

> Hi.
>
> When I make files on a pvfs2 file system using the following script,
>
> ---------------------------------------------------------------------------
> #!/bin/sh
>
> for i in {1..45}
> do
>     touch r${i}.0000000000000.dat t${i}.0000000000000.dat
> done
> ---------------------------------------------------------------------------
>
> some files(t4{3,4,5}.0000000000000.dat) disappear on the 'ls' (without any
> arguments) result and wildcard expansion.
>
> $ ls | wc -l
> 87 (This should be 90.)
>
> I can still read and write these (hidden) files, also can see using
> pvfs2-ls.
>
> $ ls t4{3,4,5}.0000000000000.dat
> t43.0000000000000.dat  t44.0000000000000.dat  t45.0000000000000.dat
>
> There are no related logs in the /tmp/pvfs2-*.log and /var/log/messages. Is
> this a bug? I am using PVFS2 2.8.3 on Debian 5.0.6.
>
> Best regards.
> Kyungwon Chun
>
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>
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