INTERVIEW

Vault drives:

• 1st 4 or 5 drives 
• It contains 
• Vault area, 
• PSM Lun, 
• Flare database Lun 
• and Operating System. 
• The Vault:
• The vault is a ‘save area’ across the first five disks
• to store write cache from the Storage Processors when power failure
• The PSM Lun:
• The Persistent Storage Manager Lun
• stores the configuration of the Clariion
• Such as Disks, Raid Groups, Luns, Access Logix information, SnapView configuration, MirrorView and SanCopy configuration as well.
• Operating System:
• The Operating System of the Storage Processors is stored to the first five drives of the Clariion.

Reserved LUN Pool

• RLP works with Replication software
• while replication stores the data/information required to complete a replication
• RLP contains one or more Private LUNS.

Private LUN

• The LUN become Private LUN, when it is added to RLP
• These LUNs cannot belong to any storage group & a server cannot perform I/O to them.
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