Article 168010 of comp.os.vms:
Sorry, folks, the currently available patches do not fix this problem.

The purpose of the /BIND qualifier in ISO-9660 mounts is to override
the volume set name, which in your case is identical to the volume
name. This is another condition that VMS does not tolerate. However,
as far as I've been able to investigate so far, the /BIND qualifier
does not override the volume label, and didn't do so in earlier
versions of VMS.

The documentation is not entirely clear about the override options for
ISO-9660 media. However, it does say that to override the volume label
you should use /OVERRIDE=IDENTIFICATION. It then goes on to say that
you can only do this for a /NOSHARE mount. Both brief testing and
examination of the pre-V7.1 MOUNT code indicate that this is true,
meaning that it was never possible to MOUNT/SYSTEM two ISO-9660
volumes whose labels were not unique in the first 12 characters.

There is a paragraph further down the /BIND description that mentions
overriding the volume label. As far as I can tell, this paragraph is
in error.

However, MOUNT got a pretty serious overhaul in V7.1 to fix a bunch of
shadowing and synchronization problems. Unfortunately anytime you do
this there's a chance of collateral damage.

We'll continue to look into it.

--------------------------------------------------------------------------

Steve Harris wrote:

>The MOUNT command under OVMS 7.1 appears to us to be broken, and I was
>wondering if 1.) anyone else had seen this, and 2.) whether a patch
>was perhaps already available.
>
>Here's an example of what we've seen:
>
>cannon $ edit test_1.com
>
>$ mount/noassist/media=cdrom/system/nowrite/undef=stream:32767 -
>  /bind=vs100/nomount JBB100: USA_AURA_STSI_DSS1_0001 JB_STSI_DSS1_0001
>$ mount/noassist/media=cdrom/system/nowrite/undef=stream:32767 -
>  /bind=vs101/nomount JBB101: USA_AURA_STSI_DSS1_0002 JB_STSI_DSS1_0002
>$!
>$ exit
>
>cannon $ @test_1.com
>%MOUNT-I-WRITELOCK, volume is write locked
>%MOUNT-I-CDROM_ISO, USA_AURA_STSI_DSS1_0001:USA_AURA_STSI_DSS1_0001
>(1 of 1) , mounted on  _$255$JBB100: (CANNON)
>%MOUNT-F-VOLALRMNT, another volume of same label already mounted
>cannon $
>
>According to the doc set, the non-uniqueness of the first 12-chars in
>the label string should have been ameliorated by the "/bind="
>parameter.  The above works on OVMS 6.X.