Additional Setup
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4
Multiplexing Setting for a Schedule
Note:
For any schedule in a class that includes clients running pre 2.0
software, set Multiplexing to 1 (thus disabling multiplexing).
In addition to the Multiplexing Per Drive setting for a storage unit, you specify
a multiplexing value for each schedule (see “Media Multiplexing” on
page 107). The setting for a schedule specifies the maximum number of
backups from the schedule that you can multiplex onto any single drive in the
configuration.
The multiplexing setting on the schedule can range from 1 to 32, where 1 is the
default and specifies no multiplexing. Regardless of the setting on a schedule,
the maximum jobs that NetBackup starts never exceeds the storage unit’s
maximum multiplexing per drive.
When NetBackup multiplexes jobs, it continues to add jobs to a drive until the
number of jobs on the drive matches either of the following:
• This schedule’s maximum multiplexing.
If the limit is reached for a drive, NetBackup starts sending jobs to another
drive. In the figure below, when the Schedule A limit is reached on Drive 1,
NetBackup starts adding Schedule A jobs to Drive 2.
• The storage unit’s maximum multiplexing per drive.
NetBackup can add jobs from more than one schedule to a drive. In the
figure below, NetBackup adds jobs from both schedules to Drive 1 until the
total on that drive reaches five.
NetBackup 3.2 System Administrator's Guide for Windows NT
NetBackup 3.2 System Administrator's Guide for Windows NT
