Re: Integration of SCST in the mainstream Linux kernel

[Jeff Garzik]

Bart Van Assche wrote:
> On Feb 5, 2008 6:50 PM, Jeff Garzik <jeff@xxxxxxxxxx> wrote:
> > For remotely accessing data, iSCSI+fs is quite simply more overhead than
> > a networked fs.  With iSCSI you are doing
> >
> >         local VFS -> local blkdev -> network
> >
> > whereas a networked filesystem is
> >
> >         local VFS -> network
>
> There are use cases than can be solved better via iSCSI and a
> filesystem than via a network filesystem. One such use case is when
> deploying a virtual machine whose data is stored on a network server:
> in that case there is only one user of the data (so there are no
> locking issues) and filesystem and block device each run in another
> operating system: the filesystem runs inside the virtual machine and
> iSCSI either runs in the hypervisor or in the native OS.

Hence the diskless root fs configuration I referred to in multiple 
emails...  whoopee, you reinvented NFS root with quotas :)

	Jeff



--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/