[comp.os.vms] Disk volume sets are wondeful.

MACALLSTR@vax1.physics.oxford.ac.UK (01/21/88)

Just in case anyone believes that volume sets are difficult/dangerous/etc :

 all you have to do ( after initialising the disks ) is to issue the simple
 mount command

 $ MOUNT/SYS/BIND=name  device1:,device2:  label1,label2

After that you can refer to the set with 'name' or 'device1' and all operations
 and utilities appear to treat it as a single device. I haven't encountered any
 problems with any item of software so far : backup/restore/quotas,etc all work
 as well as on a single device.

I'd recommend volume sets to anybody with enough disks to implement them. It
 greatly reduces the number of device,etc names users have to remember and you
 gradually expand existing logical devices simply by adding another volume to
 the set.

John

m1b@rayssd.ray.com (M. Joseph Barone) (01/23/88)

In article <8801210028.AA14506@ucbvax.Berkeley.EDU> MACALLSTR@vax1.physics.oxford.ac.UK writes:
> Just in case anyone believes that volume sets are difficult/dangerous/etc :
>  ... 
> I'd recommend volume sets to anybody with enough disks to implement them. It
> greatly reduces the number of device,etc names users have to remember and you
> gradually expand existing logical devices simply by adding another volume to
> the set.

	Another wonderful feature of volume sets is that a head crash
on any one drive effectively takes them all out of commission from
the user's point of view!  Then, once the problem is fixed, you have
to restore the entire volume set from backup rather than just one disk
drive!  The more drives, the better, I say!  So, yes, I'd recommend
volume sets but only to my worst enemies!

Joe Barone ---------------------------> m1b@rayssd.RAY.COM
{cbosgd, gatech, ihnp4, linus, mirror, uiucdcs}!rayssd!m1b
Heroes have an infinite capacity for stupidity.  Thus are legends born!