[Info-vax] Orphaned processes on OpenVMS

[Johnny Billquist]

On 2011-05-26 11.43, Rob Brown wrote:
>
> On Thu, 26 May 2011 at 10:21 -0700, Johnny Billquist wrote:
>
>> On 2011-05-26 06.45, Bob Koehler wrote:
>>> In article<irkkki$dc8$1 at Iltempo.Update.UU.SE>, Johnny
>>> Billquist<bqt at softjar.se> writes:
>>>
>>>> To create a file system on a disk, you need to mount the disk first
>>>> (but telling VMS that there is no file system to try to understand).
>>>
>>> You initialize before you mount. I've never tried to initialize a
>>> volume that was mounted foreign, and I don't think it works.
>>
>> My memory might have a bit error then, but for RSX, the procedure is:
>> you mount the disk foreign, and no share. Then you initialize it, then
>> dismount, and remount as a structured device.
>
> You are both right. This is a difference between VMS and RSX-11M-Plus.
>
> In VMS, as Bob says, you must initialize before you can mount.

Interesting. So you (or anyone) is allowed to do I/O to an unmounted 
disk? That would (to me) seem like a weird thing. So when is there ever 
a point for foreign mounted disks in VMS?

> In M-Plus, as Johnny says, you must mount foreign/noshare and then
> initialize.
>
> In the days of M V4.1 / M+ V2.1, the documentation said:
> in M+ the disk has to be mounted foreign
> in M the disk has to be unmounted or mounted foreign
>
> I don't know what the requirement is for current version of M.

No. 11M still allows I/O to unmounted disks. But 11M often runs fast and 
loose... :-)

	Johnny