From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Braam Date: Thu, 05 Jun 2008 04:09:41 -0700 Subject: [Lustre-devel] Moving forward on Quotas In-Reply-To: <20080605083957.GQ6283@lore> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: lustre-devel@lists.lustre.org Quota are determined by the owner of the file, not by the uid of the process. We have been propagating owners / gid of files from MDS to OSS for this reason. I don't understand the issue. Peter > > I've discussed with Fanyong and imo, the uid mapping issue is clearly a > showstopper for now. On HEAD, the client-side uid/gid packed by GSS is > translated to a sevice-side uid/gid. This mapping exists on the MDS, but not > on the OSSs. The problem is that for quotas, OSSs must be aware of this > mapping. > We should find a solution to this problem (not straightforward) which needs to > be addressed anyway even for DMU support. > > In general, I don't think that much of this work will be "throw away". > > Cheers, > Johann