Could this "Virtual San" be some modification of the Shared/Byte File System server? With IPGATE, that could even be used across LPARs via hypersockets and across physical machines via other TCPIP connections.
/Tom Kern --- Rob van der Heij <[EMAIL PROTECTED]> wrote: > ...snipped... > On 1/23/07, David Boyes <[EMAIL PROTECTED]> wrote: > > One area that might be interesting would be to investigate a Linux > > device driver using CP *BLOCKIO services for disk I/O instead of > > directly addressing the disks. There would be a performance impact, but > > the additional layer of isolation would effectively remove any disk > > Most certainly. A high level interface offers gives much more > flexibility for running the guest. A "Virtual SAN" that offers the > guest "some blocks of disk" would make things much easier. VM would > then decide if and where to put the data in the SAN. > The current approach where intimate details about the disk device > (like WWPN etc) are kept inside Linux configuration files makes things > also very hard for what we talk about here. ____________________________________________________________________________________ Want to start your own business? Learn how on Yahoo! Small Business. http://smallbusiness.yahoo.com/r-index