[Info-vax] Shadow System Disk between two Hosts

[Phillip Helbig---undress to reply]

In article <4fb1f4e5$0$17516$c3e8da3$a8a65a91 at news.astraweb.com>, JF
Mezei <jfmezei.spamnot at vaxination.ca> writes: 

> Possible to shadow systen disk: yes. It is in a sysgen parameter. Early
> in the boot sequence, the system disk is converted to a single device
> shadow set device (aka DSA0:)

The name is also a parameter.

> I don't have experience with the system device for shadow sets. I have
> to assume that once the DSA device has been formed early in boot, it is
> up to the system manager to mount other physical devices to it, 

No, this is done automatically.

> at which
> point you could mount a device belonging to another node. 

Possible, but there is little point in doing this.

> But if that
> device is also in its own DSA0 shadow set, not sure how they can be
> combined.

No, he wants to boot two machines from the SAME shadow set.  Possible 
with fancy hardware.