On Fri, Nov 19, 2004 at 04:13:45PM -0800, Dan Stromberg wrote: > On Fri, 2004-11-19 at 11:24 -0800, David S. wrote: > > You can use PVFS2 (http://www.pvfs.org/pvfs2/) to aggregate disks from > > multiple servers into on big file system. Though PVFS2 is specifically > > designed for parallel applications, and may not be suited for your > > purposes. You can sort-of do it with AFS (http://www.openafs.org), > > with mutiple file servers servicing the same name space. AFS is again > > rather different from an "ordinary" file system, however. I know you > > can do it with IBM's GPFS (http://www-1.ibm.com/servers/eserver/clusters/software/gpfs.html); > > we use GPFS here on two servers attached to an IBM SAN to create a > > 6.5T file system. But if you decide to take a run at GPFS, don't > > blame me. > > Does PVFS2 have posix semantics these days? It has a kernel interface, so it supports the familiar open(2), lseek(2), read(2), write(2), ... calls. It doesn't provide POSIX semantics. > > My understanding is that IBM will only support GPFS on IBM hardware... > Our SAN is from IBM, and our servers and most of our clients are IBM-branded commodity x86 hardware. IBM will support GPFS on non-IBM commodity hardware if you pay it enough. But you'd have to really enjoy pain to pay for GPFS. David S. > _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
