Specifications

Chapter 3 RAID Manager Installation and Configuration 3-5
3.1.6 Maximum LUN Support
The default setting for maximum LUN support is 8. If more than 8 LUNs are
required on each A3x00, refer to "Maximum LUN Support..." in the RAID Manager 6
Release Notes for details. Also see FIN I0589 for PCI HBAs.
Note – When performing a RAID Manager upgrade, if extended LUN support is
enabled, ensure that you reenable it during the upgrade as described in the Upgrade
Guide.
Caution – Do not use the add16lun.sh script found on the RAID Manager 6.1.1
CD-ROM on a PCI machine. Details are available in FIN I0589.
3.2 LUN Creation/RAID Level
This section contains the following topics:
■ Section 3.2.1, “General Information” on page 3-5
■ Section 3.2.2, “LUN Numbers” on page 3-6
■ Section 3.2.3, “The Use of RAID Levels” on page 3-6
■ Section 3.2.4, “Cache Mirroring” on page 3-6
■ Section 3.2.5, “Reconstruction Rate” on page 3-7
■ Section 3.2.6, “Creation Process (Serial/Parallel) Time” on page 3-8
■ Section 3.2.7, “DacStor Size (Upgrades)” on page 3-8
3.2.1 General Information
■ RAID Manager 6.22x has an "immediate LUN availability" feature: a LUN
becomes Optimal in a few minutes, while the rest of the initialization is being
processed in the background. See Section 3.2.6, “Creation Process (Serial/Parallel)
Time” on page 3-8.
■ If LUN creation is scripted, see Section 3.2.6, “Creation Process (Serial/Parallel)
Time” on page 3-8.
■ For multi-initiator configurations, see Section 3.3, “LUN Deletion and
Modification” on page 3-9.