EMC CX500I Configuration Guide - Page 72

RAID Group ID of, Reserved LUN Pool Setup Worksheet

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Page 72 highlights

Data Replication and Data Mobility Software Since snapshots use the reserved LUN pool, you need the following information for system setup so you can bind LUNs for the reserved LUN pool. The number of reserved LUNs should always be twice the number of source LUNs. Note that MirrorView/A and incremental SAN Copy also use the reserved LUN pool. One application can use a reserved LUN as long as another application is not using it. Reserved LUN Pool Setup Worksheeta SP RAID Type for RAID Group ID of Reserved LUN Sizeb (A or B) Source LUN Size Reserved LUN Pool Parent RAID Group (Gbytes) Reserved LUN ID (complete after binding) a. This worksheet is also provided in the MirrorView/A and incremental SAN Copy sections. b. EMC recommends 20% of the source LUN size. 4-10 EMC CLARiiON CX300, CX500, CX500i, and CX700 Storage Systems Configuration Planning Guide

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4-10
EMC CLARiiON CX300, CX500, CX500i, and CX700 Storage Systems Configuration Planning Guide
Data Replication and Data Mobility Software
Since snapshots use the reserved LUN pool, you need the following
information for system setup so you can bind LUNs for the reserved
LUN pool. The number of reserved LUNs should always be twice the
number of source LUNs. Note that MirrorView/A and incremental
SAN Copy also use the reserved LUN pool. One application can use a
reserved LUN as long as another application is not using it.
Reserved LUN Pool Setup Worksheet
a
SP
(A or B)
Source LUN Size
RAID Type for
Reserved LUN Pool
RAID Group ID of
Parent RAID Group
Reserved LUN Size
b
(Gbytes)
Reserved LUN ID
(complete after
binding)
a.
This worksheet is also provided in the MirrorView/A and incremental SAN Copy sections.
b.
EMC recommends 20% of the source LUN size.