jack

LD 43
EDD

I personally would swap the IOUD/C's via LD 137, then repeat.

Typically 1 floppy will work per core, depends on size of your switch, although switch does use a compression utillity as well.

Only the active IOUD/C does the backup during the midnights, presuming that LD 43 is in your DROL routines.

Jack

krish_8987

Hi During Midnigt routine all the Ovly's mentioned in the OVLY data of LD 17 will run.IF you have included LD 135 and LD 137 which will do the IODU and CPU diagnostics and also will swap the CPU and IODU.

Note : It is not absolutely not necessory to include LD 43 in our DORL.System will keep track of any changes done for the last 24 hours and then if any change made during the last 24 HRS then backup will automatically enabled will the data will get backup in the active core.

Hope i am clear enough.Waiting for your comments.

Thanks.

twscrb

I guess what I'm understanding is that the backup might fit on one floppy.
I'm also understanding that only the active CPU does a backup to floppy.
I'm still somewhat confused about how the synchronization works.
Obviously, when the CPUs switch at midnight they have to contain the same data. Exactly how does that process work?

Thanks