From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from merlin.infradead.org ([205.233.59.134]:60521 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751156Ab2GaTQC (ORCPT ); Tue, 31 Jul 2012 15:16:02 -0400 Message-ID: <50182EEF.8040904@kernel.dk> Date: Tue, 31 Jul 2012 21:15:59 +0200 From: Jens Axboe MIME-Version: 1.0 Subject: Re: Filenames on 'server' jobs to shared filesystems References: <50058274.2070006@ed.ac.uk> In-Reply-To: <50058274.2070006@ed.ac.uk> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: fio-owner@vger.kernel.org List-Id: fio@vger.kernel.org To: Matthew Richardson Cc: fio@vger.kernel.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 On 2012-07-17 17:19, Matthew Richardson wrote: > I'm currently using fio to simulate user reads and writes to a NAS > service, and am testing the performance of different shared filesystems > (NFS, Samba, Glusterfs etc). > > In order to properly load the box I'm using a pool of clients to connect > to the fs (fio --server) and then launching the same job on multiple > clients. (fio --client=a --client=b job.fio) > > The resulting jobs on the different servers all seem to use the same > file - the filename seems to be .. - in this case > 'job.1.0': > > [global] > directory=/mnt/gluster > rw=randrw > size=10M > ioengine=libaio > > [job] > > > Is there any way to have the server include some personal identifier > (such as hostname) in the filename so that there isn't this conflict? That's not a bad idea, to have the backend prefix with it's hostname or similar. Let me know if you want to test (or create!) such a patch, I'd be happy to help. Sorry about the late response - that goes to all the emails on this list. I've been away on business and then vacation, so it's been a while and I'm trying to catch up. - -- Jens Axboe -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iQIcBAEBCAAGBQJQGC7rAAoJEPfTWPspceCm5cYQAMqHqMYzEMNT6xEUBUHvuRON ZlOhAqHP191vWLDTGvbSmkDZEerd5uQULbVhWDtvdgrnfivtjv91NhQnN9D4RY7P YNQfLXyPUHkYnc4271XqFxNnwCwQ0nNklGL3nUsGHdlHxK2nrDAsFxkMoPUkNZP+ pAS2Gpg3Enz9O0sBmeIFQpTv478RKwD8tgHEQKn/ZusRKo5XlJNBfjOJhP/oEfny l3C7s1rhfHCsnIVL1M/AWdA+1tp8+h+byxOz49IIGa/fif0P+eCgihuU/UohDsFE sNe2jBoXfXvW3zHYA8nUzL9vjZjLQFKgTBWldM1nuxz2SMA66O40K0BZ6x1hIOaJ fJafWhflPNBSJBxuvwLBzGv4hsfwp0ABBCZG0uz2brLUFog3Yr+qqRJAy6yIWjmK Ha3jaPV3sVD1cjV+xaNLdLv2QsEIAo3gghZyIFskuW+NuNkH9icgwo+i5Owl+4ER v6c4ydcPtdJFguotOG6D4kgfl358pLfwSWTzKK3P7uve3xuAjxKdMVjgLE92/MCn pxvOmws0hn5m3+thmodbi8ipKsHvALl+IYidWKdWAEqVz0LUGRjrZWxHxA5dX/+l vHJjmnUvk2rI+Tzakuli9PZap7r4uieC1IfHm4gdOJKrGHztBH4yVjz9V+zsEjF/ Uwm1vfkoiwwbhkVAMxYf =3u9j -----END PGP SIGNATURE-----