Hallo Georges,

the parameter for backinit are:

cat init<sid>.utl

MAX_SESSIONS: xxx   ==> Number of physikal drive
MULTIPLEXING: xxx    ==> Number of Session per drive

I've two 3590, backint 2.3, aix4.1.5, sapdba 3.1F, MAX_SESSIONS=2
MULTIPLEXING=4
the datarate is about 30-35 GB/hour per Drive


Roig Georges schrieb:

> Hi,
>
> I'm working to increase the speed of my SAP backup, and for the moment
the
> performance I realized is 20GB/h direct to tape with
> 1 parallel session.
> I 'm trying to run backint witn 2 parallel sessions direct to tape, but
> only one session is backed up by the tape, the other one is in MediaW
> status.
> When the first session is finish, the second session continue, and the
same
> for the third session until the second session is finish etc....
>
> Does anyone has an idea why the both sessions doesn't really running in
> parallel ?
>
> Georges
>
> (BACKINT 2.2)