[Info-vax] Reconfiguring VMS 6.2 - Shadow set question

[Phillip Helbig---undress to reply]

In article <k62ou3$alf$1 at tdi.cu.mi.it>, supervinx <nessuno at libero.it>
writes: 

> > $ mount dsa0: /shadow=($1$dka100:,$1$dka200 /system  V47701_sys

If it really is the system disk, you shouldn't have this command as part
of the startup.  Use such a command ONCE to create a shadow set, then 
put both physical devices into the boot-device console variable.  When 
you specify a device at boot, specify just one.  (Having the list 
enables an automatic boot if one member doesn't work, resulting in a 
one-member shadow set (assuming you have 2 altogether).)  The shadow set 
will be formed very early in the boot sequence.  Think about it: 
normally you don't MOUNT the system disk, since it is already known from 
the boot; same with a shadow set as the system disk.