EMC CX500I Configuration Guide - Page 99

Sample Unshared Direct Installation, LUNs - SP A and SP B - 1, 440 Gbytes on Seven LUNs, Disk IDs

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Planning File Systems and LUNs Sample Unshared Direct Installation This section shows the disks and LUNs in an unshared direct storage-system installation. Server SP A SP B R5 R5 Specs Specs 100-1014 R5 R5 R5 000-0014 Dbase1 Dbase2 Mail Figure 5-2 Unshared Direct Storage System EMC2404 The example below describes a storage system with two back-end loops. Each disk holds 73 Gbytes, so the storage system provides the server with 504 Gbytes of disk storage, all highly available. The storage-system disk IDs and LUNs are as follows: LUNs - SP A and SP B - 1,440 Gbytes on Seven LUNs Disk IDs RAID Type Storage Type, Capacity, Drive 000-004 005-009 RAID 5 RAID 5 Dbase1, 292 Mbytes, drive G Dbase2, 292 Mbytes, drive H 0010-0014 RAID 5 Mail, 292 Mbytes, drive I 101-102 RAID 1 Log file, Dbase1, 73 Mbytes, drive J 103-104 RAID 1 Log file, Dbase2, 73 Mbytes, drive K 105-109 RAID 1 Users, 292 Mbytes, drive L 1010-1014 RAID 5 Specs, 292 Mbytes, drive M 100 - Hot spare (automatically replaces a failed disk in any LUN) Note: The available storage is 50% for a RAID 1 LUN and 80% for a 5-disk RAID 5 LUN. Sample Unshared Direct Installation 5-5

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Sample Unshared Direct Installation
5-5
Planning File Systems and LUNs
Sample Unshared Direct Installation
This section shows the disks and LUNs in an unshared direct
storage-system installation.
Figure 5-2
Unshared Direct Storage System
The example below describes a storage system with two back-end
loops. Each disk holds 73 Gbytes, so the storage system provides the
server with 504 Gbytes of disk storage, all highly available. The
storage-system disk IDs and LUNs are as follows:
EMC2404
Server
100-1014
000-0014
SP A
SP B
R5
Dbase2
R5
Dbase1
R5
Mail
R5
Specs
R5
Specs
LUNs - SP A and SP B - 1,440 Gbytes on Seven LUNs
Disk IDs
RAID Type
Storage Type, Capacity, Drive
000-004
RAID 5
Dbase1, 292 Mbytes, drive G
005-009
RAID 5
Dbase2, 292 Mbytes, drive H
0010-0014
RAID 5
Mail, 292 Mbytes, drive I
101-102
RAID 1
Log file, Dbase1, 73 Mbytes, drive J
103-104
RAID 1
Log file, Dbase2, 73 Mbytes, drive K
105-109
RAID 1
Users, 292 Mbytes, drive L
1010-1014
RAID 5
Specs, 292 Mbytes, drive M
100 – Hot spare (automatically replaces a failed disk in any LUN)
Note:
The available storage is 50% for a RAID 1 LUN and 80% for a 5-disk RAID 5 LUN.