Logical Volumes 16
Guidelines for Configuring Logical Volumes 17
Determining How Many Logical Volumes You Need 17
Determining Which RAID Level You Need | 18 | ||
Determining Whether You Need a Hot Spare | 18 | ||
Creating and Labeling a Logical Volume | 19 |
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Setting the LUN Reconstruction Rate 19 |
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Using RAID Levels to Configure Redundancy | 20 |
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RAID 0 | 21 |
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RAID 1 | 21 |
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RAID 5 | 21 |
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Configuring RAID Levels | 22 |
3. Configuring Partner Groups | 23 |
Understanding Partner Groups | 23 |
How Partner Groups Work 25
Creating Partner Groups 26
4.Configuration Examples 27
Direct Host Connection | 27 | |
Single Host With One Controller Unit 28 | ||
Single Host With Two Controller Units Configured as a Partner Group 29 | ||
Host Multipathing Management Software 30 | ||
Single Host With Four Controller Units Configured as Two Partner | ||
Groups | 31 |
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Single Host With Eight Controller Units Configured as Four Partner | ||
Groups | 32 |
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Hub Host Connection | 34 | |
Single Host With Two Hubs and Four Controller Units Configured as Two Partner Groups 34
iv Sun StorEdge T3 and T3+ Array Configuration Guide • August 2001
