Hp XP RAID Manager Software User Manual download pdf (Page 70)

If the priority mode or the bind mode is set, the cache size is calculated assuming that one slot has

the following values.

• For open-systems volumes:

For OPEN-V, one slot is 264 KB (512 LBAs).◦

◦ For other than OPEN-V, one slot is 66 KB (128 LBAs).

• For mainframe (3390) volumes:

◦ One slot is 66 KB (128 LBAs).

Calculating cache size for open systems

70 Estimating cache size

1 ... 69 70 71 ... 205

Mainframe Systems User Guide 1
Contents 3
4 Contents 4
Contents 5 5
6 Contents 6
Contents 7 7
1 Performance overview 8
Cache Residency overview 9
10 Performance overview 10
Placing data in cache 13
Prestaging specific data 13
Priority mode 14
Bind mode 14
Using Performance Control 18
Using Performance Control 19 19
WWN monitoring data 20
Microprogram replacement 20
4 Monitoring WWNs 23
Editing the WWN nickname 24
Connecting WWNs to ports 24
5 Monitoring CUs 26
6 Monitoring operation 28
Stopping monitoring 29 29
Viewing statistics 30
8 Working with graphs 32
Usage rates of MPs 34
Usage rate of cache memory 35
Write pending statistics 35
Access paths usage statistics 36
Throughput of storage system 37
Size of data transferred 38
Response times 39
Cache hit rates 40
Storing period 41
Back-end performance 42
Hard disk drive access rates 43
9 Changing display of graphs 45
Deleting graph panel 46
Port tab operations 53
Analyzing traffic statistics 54
Port tab operations 55 55
Setting a threshold 56
WWN tab operations 57
WWN tab operations 61 61
WWN tab operations 63 63
Grouping host bus adapters 65
Renaming an PFC group 67
Deleting an PFC group 68
11 Estimating cache size 69
70 Estimating cache size 70
72 Estimating cache size 72
Cache Residency cache areas 73
12 Managing resident cache 75
76 Managing resident cache 76
Launching Cache Residency 77
78 Managing resident cache 78
80 Managing resident cache 80
13 Troubleshooting 82
Contacting HP 83
Related information 83
Typographic conventions 84
Typographic conventions 85 85
A Export Tool 86
Installing the Export Tool 87 87
Using the Export Tool 88
Using the Export Tool 89 89
90 Export Tool 90
Preparing a batch file 91
Running the Export Tool 92
Processing time 93
Termination code 93
Log files 94
Error handling 94
Export Tool command reference 95
Subcommand list 96
outoption compressapply 97
Operands 102
Examples 108
Short-range 109
Description 111
◦ Default: 20 minutes 116
◦ Minimum: 1 minute 116
Exported files 117
Port statistics 124
Volumes (LU) statistics 125
MP blades 126
Monitored CUs tab 138
Monitored WWNs tab 138
Edit Monitoring Switch wizard 139
Monitor Performance window 140
Data Range 141
Time Range 141
Performance Objects 141
Selected Objects table 142
Object field is blank 145
Available Objects table 147
Edit CU Monitor Mode wizard 148
Unmonitored CUs table 149
Confirm window 150
View CU Matrix window 152
Available Parity Groups table 154
Parity Group Properties table 154
Edit WWN wizard 155
Edit WWN Monitor Mode wizard 156
Unmonitored WWNs table 157
Delete Unused WWNs window 160
Add New Monitored WWNs wizard 160
WWN Name 161
Available Ports table 161
Selected WWNs table 161
Add to Ports wizard 163
Monitor window 165
Graph panel 166
MP Properties window 167
Edit Time Range window 168
Setting fields 169
Monitor Data 170
Performance Object Selection 170
Add Graph window 177
Wizard buttons 185
Navigation buttons 185
Performance Control window 187
Cache Residency window 195
LDEV Information table 196
Cache Information 197
Operations box 198
Multi Set dialog box 199
Multi Release dialog box 200
Multi-Release LDEV table 201
Glossary 202
204 Index 204

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Hp XP RAID Manager Software User Manual Page 70

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