[Info-vax] Disk size in the virtual world

[Scott Dorsey]

=?UTF-8?Q?Arne_Vajh=C3=B8j?=  <arne at vajhoej.dk> wrote:
>On 2/24/2024 8:24 AM, Scott Dorsey wrote:
>> =?UTF-8?Q?Arne_Vajh=C3=B8j?=  <arne at vajhoej.dk> wrote:
>>> I wonder when this was added to VMS.
>>>
>>> It is not relevant for physical disks. But it must have
>>> turned relevant when SAN's were introduced.
>> 
>> It is very relevant to physical disks.  You install a new bigger disk, and
>> you copy the fileystem over and expand it once it's copied over.  This is
>> much, much faster than doing a file-by-file copy.
>
>"copy filesystem" is that BACKUP/PHYS or?

Yes, or a DD equivalent.  Or using Clonezilla (which doesn't know anything
about the VMS filesystem so will just do a dd).
--scott
-- 
"C'est un Nagra. C'est suisse, et tres, tres precis."