> -----Original Message----- > From: faibish, sorin > Sent: Monday, November 05, 2012 8:42 PM > To: Peng, Tao > Cc: Jun Xiao; linux-nfs@xxxxxxxxxxxxxxx; Jason Glasgow > Subject: Re: pNFS Block layout issues / questions > > > > Sent from Sorin's iPad > > On Nov 4, 2012, at 9:33 PM, "Peng, Tao" <tao.peng@xxxxxxx> wrote: > > > Hi, > > > > I'll answer your questions as far as I can, but I myself am not familiar with Linux pnfs block > server implementation. > > > >> -----Original Message----- > >> From: linux-nfs-owner@xxxxxxxxxxxxxxx [mailto:linux-nfs-owner@xxxxxxxxxxxxxxx] On Behalf Of Jun > Xiao > >> Sent: Saturday, November 03, 2012 3:28 PM > >> To: linux-nfs@xxxxxxxxxxxxxxx > >> Subject: Re: pNFS Block layout issues / questions > >> > >> Seems the thread didn't get any reply for quite a long time. > >> > >> I'm trying to set up pNFS block layout MDS/DS server, and some > >> similar questions as Phil. > >> > >> - For block layout, is it necessary to make DS export nfs share? > > No. Just export your data connection is enough, which for pnfs block can be iscsi/FS etc. > Should be iSCSI / FC fiber channel. > Yes. and sorry for the typo... > > > >> - How could add a block layout DS into pNFS server? > > I don't think Linux pnfs block server implements separate DSes. So MDS/DS has to be on the same > machine for it. > Maybe Jason Glasgow remembers? > For spnfs, MDS/DS has to be on the same machine. For block layout server, there is not much concept of DSes. The only requirement is that MDS and clients can access the same storage. So it can be either iscsi exported from the same MDS, or some shared storage like SAN etc. Cheers, Tao > > > >> - Does spnfs also work for block layout/ > > Largely yes. The wiki page has it that pnfs block server is based on spnfs. > > http://linux-nfs.org/wiki/index.php/PNFS_Block_Server_Setup_Instructions > > > > But I'm not sure if the code still works. > > > > Cheers, > > Tao > > > > ��칻�&�~�&���+- > ��ݶ��w��˛���m�b��g~ȧ���ܨ}���Ơz�&j:+v��� ����zZ+��+zf���h���~����i���z��w���?����&�)ߢf ��.n��������+%������w��{.n�����{��w���jg��������ݢj����G�������j:+v���w�m������w�������h�����٥