🚀 go-pugleaf

"David A. Lethe" <david@santools.com> wrote in message
news:23gcmt8qcboo77pngr0fcmvh7q5rhrhqmb@4ax.com...
> On Mon, 30 Jul 2001 23:46:25 GMT,
> u912780761@spawnkill.ip-mobilphone.net wrote:
>
> >hi
> >my scenerio
> >a dozen of sun machines
> >a disk array
> >
> >my question
> >i would like to connect all the servers to the disk array with fibre
> >channel
> >could all the servers access the same LUN on the disk array with
> >only one server can write, the other servers can only read?
> >what HW/SW i need ?
> >is it possible for all ther servers to be able to read/write without
> >messing up the file?
> >
> >
> >thank you very much
> >
> Two choices
> 1) Use NFS
> 2) Buy SANergy
>
> Not aware of anything else which works unless you chunk your disk
> array and go with a NAS subsystemm.
>
> And no .. you can't just mount the disks in read-only mode on 9
> computers and R/W on the 10th, unless you own the application software
> that writes everything, and you force a flush after every write.

Which still won't cover any data cached on one of the R/O machines - and
will potentially expose them to seeing inconsistent (even apparently
corrupt) data when some stale data is cached and other related data is
freshly obtained.

- bill

>
> David
>