The Host Explorer Software Agent
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31
6 Chunklets
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32
Overview
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32
Physical Disk Chunklets
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32
Spare Chunklets
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32
7 Logical Disks
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34
Overview
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34
Logical Disks and Common Provisioning Groups
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34
Logical Disk Types
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34
RAID Types
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35
RAID 0
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35
RAID 1 and 10
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35
RAID 5 and 50
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36
RAID Multi-Parity
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37
Logical Disk Size and RAID Types
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38
8 Common Provisioning Groups
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39
Overview
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39
Precautions and Planning
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39
Growth Increments, Warnings, and Limits
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39
Growth Increment
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40
Growth Warning
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40
Growth Limit
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40
System Guidelines for Creating CPGs
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41
Volume Types Associated with CPGs
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41
9 Virtual Volumes
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42
Overview
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42
Virtual Volume Types
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42
Administrative Volumes
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43
Fully-provisioned Virtual Volumes
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43
Thinly Provisioned Virtual Volumes
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43
TPVV Warnings and Limits
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44
Virtual Volume Online Conversion
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45
Physical Copies
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45
Virtual Copy Snapshots
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46
Virtual Copy Snapshot Relationships
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46
Copy-on-Write Function
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47
Copy-of and Parent Relationships
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48
Exporting Virtual Volumes
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48
VLUN Templates and Active VLUNs
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49
VLUN Template Types
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49
Host Sees
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49
Host Set
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49
Port Presents
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49
Matched Set
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50
10 Reclaiming Unused Space
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51
Overview
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51
Reclaiming Unmapped Logical Disk Space from CPGs
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51
Reclaiming Unmapped Logical Disk Space from Volumes
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52
Automatically Reclaiming Unused Snapshot Space from Volumes
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52
Manually Reclaiming Unused Snapshot Space from Volumes
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52
Deleted Volume Snapshot Space
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52
Logical Disks and Chunklet Initialization
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52
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Contents