Hp Smart Storage Administrator Manuel d'utilisateur Page 60
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Operations 60
Example commands:
controller slot=5 ssdpd all show
controller slot=5 ssdpd all show detail
Viewing SSD information
The ssdinfo keyword provides a summary for solid state drives for the specified controller.
Syntax:
<target> show ssdinfo [detail | summary]
Command examples:
controller slot=1 show ssdinfo
controller all show ssdinfo
controller all show ssdinfo detail
controller all show ssdinfo summary
SmartCache in HPSSACLI
HP SmartCache allows a caching logical drive to be created on a solid state physical drive, and to be
associated with an existing data logical drive to provide a performance increase.
Command Examples:
To create a new SmartCache array for existing data logical drive 1 using the solid state drive 1e:1:10:
=> ctrl slot=1 create type=ldcache drives=1e:1:10 datald=1
The command above creates a new SmartCache array, for example, "array B." Only one SmartCache array
may exist on a controller. This example creates an additional caching logical drive using the existing
SmartCache array for existing data logical drive 2:
=> ctrl slot=1 array B create type=ldcache datald=2
Rapid Parity Initialization methods
RAID levels that use parity (RAID 5, RAID 6 (ADG), RAID 50, and RAID 60) require that the parity blocks be
initialized to valid values. Valid parity data is required to enable enhanced data protection through
background surface scan analysis and higher performance write operations. Two initialization methods are
available:
• Default – Initializes parity blocks in the background while the logical drive is available for access by the
operating system. A lower RAID level results in faster parity initialization.
• Rapid – Overwrites both the data and parity blocks in the foreground. The logical drive remains
invisible and unavailable to the operating system until the parity initialization process completes. All
parity groups are initialized in parallel, but initialization is faster for single parity groups (RAID 5 and
RAID 6). RAID level does not affect system performance during rapid initialization.
Rapid Parity Initialization is available only for supported controllers and in arrays composed of supported
physical drives.
Example: of creating a logical drive with Rapid Parity Initialization:
=> ctrl slot=3 create type=ld drives=1e:1:1-1e:1:4
parityinitializationmethod=rapid
- User Guide 1
- Contents 3
- Contents 4 4
- Overview 5
- Array configuration overview 6
- Minimum requirements 8
- Overview 9 9
- Operations 10
- Prerequisites 11
- Specify the ISO image path 13
- • NFS: 13
- Using the HP SSA GUI 16
- Icon and key stroke legend 17
- Navigating the GUI 18
- Configure screen 19
- Operations 20 20
- Diagnostics screen 21
- HP SSA help 22
- Configuration tasks 23
- Configuring a controller 24
- HP SSD Smart Path 26
- Rapid Parity Initialization 27
- Operations 29 29
- Cache Manager 32
- Click Caching Settings 33
- About HP SmartCache 34
- Enable HP SmartCache 34
- Click OK 35
- Working with mirrored arrays 38
- Healing an array 41
- Replacing an array 41
- Setting Auto RAID 0 42
- Operations 43 43
- Diagnostic tasks 44
- Using the HP SSA CLI 46
- CLI syntax 47
- The <target> variable 48
- The <command> variable 48
- Querying a device 48
- Hiding warning prompts 49
- Keyword abbreviations 49
- The show command 50
- Operations 51 51
- Typical procedures 52
- Setting the boot volume 53
- Setting the target 53
- Identifying devices 54
- Deleting target devices 54
- Erasing a physical drive 55
- Rescanning the system 55
- Creating a logical drive 56
- Sample scenario 57
- Moving a logical drive 58
- Viewing SSD physical drives 59
- Viewing SSD information 60
- SmartCache in HPSSACLI 60
- Managing spare drives 61
- Expanding an array 62
- Shrinking an array 63
- Moving an array 63
- Extending a logical drive 65
- Migrating a logical drive 65
- Operations 66 66
- Operations 67 67
- Operations 68 68
- Operations 69 69
- Using HP SSA scripting 70
- Script file requirements 71
- Sample custom input script 71
- Operations 72 72
- Sample custom capture script 73
- Sample encryption script 74
- Script file options 75
- Control category 76
- Controller category 77
- Operations 78 78
- Operations 79 79
- Array category 80
- Operations 81 81
- Logical Drive category 83
- Operations 84 84
- Operations 85 85
- Operations 86 86
- Operations 87 87
- Encryption support commands 88
- Operations 89 89
- XML support 90
- Operations 91 91
- XML input 92
- XML input file DTD 92
- Operations 93 93
- Warning 94
- Troubleshooting 101
- Installing the utility 103
- Diagnostic report procedures 104
- Drive arrays 106
- Troubleshooting 107 107
- Troubleshooting 108 108
- Fault-tolerance methods 109
- Troubleshooting 110 110
- Troubleshooting 111 111
- Troubleshooting 112 112
- Troubleshooting 113 113
- RAID 50 114
- RAID 60 115
- Selecting a RAID method 116
- Troubleshooting 117 117
- Diagnosing array problems 118
- Troubleshooting 119 119
- Optional components 120
- HP Smart Array Advanced Pack 121
- Acronyms and abbreviations 122
- Documentation feedback 124
- Index 125 125
- Index 126 126
- Index 127 127
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