Qsan XS5224D User Manual page 14

Figure 9-1 Traditional Thick Provisioning ..................................................................................... 158
Figure 9-2 Thin Provisioning .......................................................................................................... 159
Figure 9-3 Benefits of Thin Provisioning ...................................................................................... 159
Figure 9-4 Storage Architecture of Thin Provisioning Pool ......................................................... 160
Figure 9-5 Pools Function Submenu ............................................................................................. 162
Figure 9-6 Create a Thin Provisioning Pool Step 1 ...................................................................... 163
Figure 9-7 Create a Thin Provisioning Pool Step 2 ...................................................................... 164
Figure 9-8 Create a Thin Provisioning Pool Step 3 ...................................................................... 165
Figure 9-9 Create a Thin Provisioning Pool Step 4 ...................................................................... 166
Figure 9-10 Create a Thin Provisioning Pool Step 5 ...................................................................... 167
Figure 9-11 A Thin Provisioning Pool is Created ............................................................................ 167
Figure 9-12 List Thin Provisioning Pools ........................................................................................ 168
Figure 9-13 Change Thin Provisioning Policy ................................................................................. 171
Figure 9-14 Add Disk Group ............................................................................................................. 172
Figure 9-15 Move Disk Group .......................................................................................................... 173
Figure 9-16 Add Disk Group ............................................................................................................. 174
Figure 9-17 List Pool after Adding a Disk Group ............................................................................ 175
Figure 9-18 Create a Volume in Thin Provisioning Pool Step 1 .................................................... 176
Figure 9-19 Create a Volume in Thin Provisioning Pool Step 2 .................................................... 177
Figure 9-20 Create a Volume in Thin Provisioning Pool Step 3 .................................................... 178
Figure 9-21 A Volume in Thin Provisioning Pool is Created .......................................................... 178
Figure 9-22 Change Volume Properties .......................................................................................... 179
Figure 10-1 SSD Read and Write Cache .......................................................................................... 182
Figure 10-2 Storage Architecture of SSD Cache Pool .................................................................... 184
Figure 10-3 The Relationship between SSD Cache Pool and Storage Pool ................................. 185
Figure 10-4 SSD Read Cache with NRAID+ ..................................................................................... 186
Figure 10-5 SSD Read-write Cache with NRAID 1+ ........................................................................ 187
Figure 10-6 Read Data with Cache Miss ......................................................................................... 188
Figure 10-7 Read Data with Cache Hit ............................................................................................ 189
Figure 10-8 Write Data ..................................................................................................................... 190
Figure 10-9 Write Data ..................................................................................................................... 191
Figure 10-10 SSD Cache Function Submenu .................................................................................... 194
Figure 10-11 Enable SSD Cache License .......................................................................................... 195
Figure 10-12 Create an SSD Cache Pool Step 1 ............................................................................... 196
Figure 10-13 Create an SSD Cache Pool Step 2 ............................................................................... 197
Figure 10-14 Create an SSD Cache Pool Step 3 ............................................................................... 198
Figure 10-15 An SSD Cache Pool is Created .................................................................................... 198
Figure 10-16 Another SSD Cache Pool is Created ........................................................................... 199
Figure 10-17 List SSD Cache Pools ................................................................................................... 200
Figure 10-18 SSD Cache Pool Column Descriptions ........................................................................ 200
Figure 10-19 SSDs Column Descriptions .......................................................................................... 201
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