Logical unit options and settings for Pillar Axiom systems

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

Table 1 lists the options that must be set for each LU that is accessed by other hosts. LUs that are accessed by hosts can be configured differently. You can use the AxiomONE Storage Services Manager to change these settings.

Table 1. Pillar Axiom LU options and required settings
Option Pillar Axiom Default Setting Required Setting
LUN Access All hosts Select hosts
Protocol FC FC
LUN Assignment Auto Any
Attention: Do not change the LUN assignment after the LUNs are mapped to the system.
Select Port Mask All On All On
Quality of Service Various No preference. See the note below.
Note: If you do not know the Quality of Service setting, you can use the following:
  • Priority vs other Volumes = Medium
  • Data is typically accessed = Mixed
  • I/O Bias = Mixed