Logical unit settings for IBM System Storage DS5000, IBM DS4000 and IBM DS3000 systems

Logical unit (LU) settings are configurable at the LU level.

LUs that are accessed by hosts can be configured differently.

The read ahead cache multiplier is typically set to 0 or 1. Do not modify this setting unless you are directed to do so by the IBM® Support Center.

The following options must be enabled on any LUs that are mapped to the SAN Volume Controller cluster:

You must not have caching without batteries enabled.

Depending on your system model, set the host type to the one of following when you create a new LU:

IBM TS SAN VCE
SAN Volume Contr