EMC CX500I Configuration Guide - Page 93

What Next?, Reserved LUN Pool Setup Worksheet, Source LUN Size

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Data Replication and Data Mobility Software Incremental SAN Copy uses the reserve LUN pool, so if you want to use this type of SAN Copy, 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 SnapView 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 (A or B) Source LUN Size Reserved LUN Pool Parent RAID Group Sizeb (Gbytes) Reserved LUN ID or Name (complete after binding) a. This worksheet is also provided in the SnapView and MirrorView/A sections. b. EMC recommends 20% of the source LUN size. What Next? To plan LUNs and file systems, go to Chapter 5. For details on the storage-system hardware, go to Chapter 6. For worksheets and a description of iSCSI configurations, go to Chapter 7. What Is EMC SAN Copy? 4-31

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What Is EMC SAN Copy?
4-31
Data Replication and Data Mobility Software
Incremental SAN Copy uses the reserve LUN pool, so if you want to
use this type of SAN Copy, 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 SnapView also use the
reserved LUN pool. One application can use a reserved LUN as long
as another application is not using it.
What Next?
To plan LUNs and file systems, go to Chapter 5.
For details on the storage-system hardware, go to Chapter 6.
For worksheets and a description of iSCSI configurations, go to
Chapter 7.
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 or
Name (complete after
binding)
a.
This worksheet is also provided in the SnapView and MirrorView/A sections.
b.
EMC recommends 20% of the source LUN size.