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DescriptionsSubfieldsFields
Same as above, except that if volume allocation will cause the
limit threshold to be exceeded, the volume allocation will not be
allowed (hard limit). You must reduce the capacity of the volume
to be created, or increase the subscription limit.
Limit
The storage system automatically starts and stops performance
monitoring and tier relocation based on the Cycle time and Mon-
itoring period. Cycle times range from 30 minutes to 24 hours.
Monitoring period is a user configurable time period, such as
13:00 to 19:00 hours. Related to Cycle time is Continuous and
Periodic monitoring mode (see below).
Tier management
Auto
>> Smart Op-
tions
The administrator manually starts and stops performance monitor-
ing and tier relocation.
Tier management
Manual
The administrator creates performance monitoring and tier reloca-
tion plans in the form of named templates with different perform-
ance monitoring and tier relocation settings. Multiple templates
can be created, edited, and assigned to different tiers.
Tier management
Custom
Continuous monitoring mode uses weighted-average performance
data over several monitoring cycles (see Cycle time above) so that
tier relocation does not respond immediately to workload changes.
Basically, this is used to prevent an over-reaction to workload
changes, resulting in unnecessary tier relocation I/O.
Monitoring mode
Continuous
Periodic monitoring mode uses the performance data from the last
monitoring cycle (see Cycle time above). Tier relocation responds
immediately to workload changes. Basically, this is a more ag-
gressive tier relocation monitoring mode.
Monitoring mode
Periodic
Sets the buffer space used for new page assignments to Smart
tiers. The default values are recommended.
Buffer Space for New
page assignment
Sets the buffer space used for tier page relocations between Smart
tiers. The default values are recommended.
Buffer Space for Tier re-
location
Verifying THP/Smart pool information
Before you can verify THP/Smart pools and their operation conditions, you must have created the
pools you want to verify.
1. On the Resources tab, select THP Pools under the target storage system.
A list of THP/Smart pools, (THP/Smart pool volumes and THP/Smart volumes), and associated
information appears. A pools summary provides summary information such as the number of
pools, virtual volume capacity, usage, and total and used capacity.
2. Select a THP/Smart pool to display more detailed information about that pool.
Configuration information for each THP/Smart volume can be displayed by clicking the volume
link from the list displayed on the THP Vols tab.
Expanding THP/Smart pools
By expanding THP/Smart pools, pool capacity can be increased or THP pools can be converted to
Smart pools. You can expand a THP/Smart pool by adding volumes to the pool.
Managing storage resources in a SAN environment50
- Suite Software 1
- User Guide 1
- DescriptionEditionVersionDate 2
- Contents 3
- Suite software 11
- User Guide 11 11
- Preface12 12
- Edition Suite 13
- Features 13
- What's new 14
- System configuration 15
- Logging in 17
- Navigating the interface 18
- Navigating help 19
- Operational workflows 20
- Setting up storage resources 21
- Allocating storage 22
- Monitoring storage 23
- Registering storage systems 25
- Registering a storage system 26
- Registering hosts 28
- Methods for registering hosts 29
- HP P9000 Command 30
- HP P9000 Command View 32
- Workflow for detecting hosts 33
- Software CLI Reference Guide 35
- About data collection tasks 39
- Creating and deleting volumes 41
- Create volumes dialog box 42
- Deleting unallocated volumes 43
- About creating a LUSE volume 44
- Creating a LUSE volume 44
- About releasing a LUSE volume 44
- Releasing a LUSE volume 44
- Virtualizing external storage 45
- Creating a THP/Smart pool 47
- Create pool dialog box 48
- DescriptionsSubfieldsFields 49
- User Guide 49 49
- Expanding THP/Smart pools 50
- Shrinking a THP/Smart pool 51
- Deleting THP/Smart pools 52
- Expanding THP/Smart volumes 52
- Reclaiming zero pages 52
- Administrator Guide 57
- About allocating volumes 61
- Volume allocation methods 62
- Allocate Volumes dialog box 66
- User Guide 67 67
- User Guide 69 69
- About LUN path management 71
- Editing LUN paths 71
- About unallocating volumes 72
- Unallocate volumes dialog box 73
- Replicating volumes 74
- Adding command devices 75
- Editing command devices 76
- Defining copy pairs 76
- Data mobility 77
- Data migration 81
- Conditions for data migration 82
- User Guide 85 85
- User Guide 87 87
- Managing tasks 92
- Viewing task status 93
- Canceling scheduled tasks 93
- 4 Grouping resources 95
- Managing storage tiers 96
- Creating tiers 97
- Managing resource labels 98
- Editing resource labels 99
- Searching resource labels 99
- Grouping resources100 100
- Viewing information summaries 101
- Accessing the dashboard 102
- Customizing the dashboard 102
- About the hosts tree 103
- Managing alerts 104
- Confirming an alert 105
- Keyword search 106
- Criteria search 106
- Criteria search dialog box 107
- Generating resource reports 109
- Optimizing storage 111
- Software System Requirements 117
- Managing users 118
- User operation permissions 119
- User Guide 121 121
- Creating a user account 123
- Editing your own user profile 123
- Changing your password 124
- About access control 126
- Resource groups 128
- Creating resource groups 129
- Editing a resource group 129
- Creating user groups 131
- Setting up security 132
- Downloading components 133
- Managing licenses 134
- Checking license information 135
- DescriptionOutput Item 136
- 7 Linking related products 137
- Reference Guide 138
- 8 Troubleshooting 139
- Troubleshooting140 140
- 9 Support and other resources 141
- Conventions 142
- User Guide 143 143
- B Operations in Legacy mode 149
- User Guide 153 153
- User Guide 155 155
- Operations in Legacy mode158 158
- C CSV export v7 differences 159
- User Guide 161 161
- User Guide 163 163
- User Guide 165 165
- User Guide 167 167
- User Guide 169 169
- User Guide 171 171
- Glossary 173
- Glossary174 174
- Glossary176 176
- Glossary178 178
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