On Nov 17, 2008, at 5:36 AM, Ralph Angenendt <ra+centos at br-online.de> wrote: > Fabian Arrotin wrote: >> Don't try to compare NFS and iScsi : they aren't working at the same >> level : iScsi works at the 'block level' while other Network File >> Systems (like NFS, CIFS, etc ...) work more at the 'file level' > > Hmmm. CIFS works at block level (SMB == Server Message Blocks). iSCSI > is a transport protocol while CIFS and/or NFS a file systems :) SMB despite it's name does not work on the block level, but the file system level. CIFS/NFS are ways of extending the file system across the network. iSCSI is a way of extending the disk drive or array over the network. It's a subtle by important difference. -Ross