Adaptec 3405 User Guide - Page 94

Modifying Cache Settings, Initializing Disk Drives, Manage Arrays, Ctrl+C, Enter

Get Adaptec 3405 - RAID Controller PDF manuals and user guides
UPC - 760884155028
View all Adaptec 3405 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 94 highlights

Appendix C: Using the Adaptec RAID Configuration Utility ● 94 In the power management console, enter these details: Option Power Management Slow Down Drive After Power Off Drive After Verify Drive After Description When enabled, switches the array to low power state, when the array/ drive is inactive. The duration of inactive state of the array/drive after which it is slowed down to low power mode. This is an optional setting. Note: The disk drive should support low power mode. The duration of inactive state of the array/drive after which it is powered off. This is an optional setting. Note: Power Off Drive After duration should be greater than Slow Down Drive After Duration. The regular time interval at which the system performs a health check of the array/drive. Modifying Cache Settings You can modify the read and write cache settings for an array. You can also modify the MaxIQ cache settings. The MaxIQ cache uses the MaxIQ-compatible Solid State Drives in your system as a read cache pool to improve performance in read-intensive applications. Note: For more information about MaxIQ, see Using the ACU to Manage the MaxIQ Pool on page 96. To modify cache settings: 1 Select Manage Arrays from the main ACU menu. 2 Select the array, then press Ctrl+C. The Modify Cache Settings window opens. 3 Enable or disable read caching. 4 Press Tab. 5 Select the preferred MaxIQ setting (Enable/Disable), press Tab, then enable or disable MaxIQ. Note: To enable MaxIQ caching, read caching must also be enabled. 6 Press Tab. 7 Enable or disable write caching: select Enable always for "write-back" caching; select Disable for "write-through" caching. 8 Press Enter to accept the values. Initializing Disk Drives If a disk drive appears grayed-out (unavailable for use in a new array), it may need to be initialized.

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
Appendix C: Using the Adaptec RAID Configuration Utility
●
94
In the power management console, enter these details:
Modifying Cache Settings
You can modify the read and write cache settings for an array. You can also modify the MaxIQ
cache settings. The MaxIQ cache uses the MaxIQ-compatible Solid State Drives in your system
as a read cache pool to improve performance in read-intensive applications.
Note:
For more information about MaxIQ, see
Using the ACU to Manage the MaxIQ Pool
on page
96
.
To modify cache settings:
1
Select
Manage Arrays
from the main ACU menu.
2
Select the array, then press
Ctrl+C
.
The Modify Cache Settings window opens.
3
Enable or disable read caching.
4
Press
Tab
.
5
Select the preferred MaxIQ setting (Enable/Disable), press
Tab
, then enable or disable
MaxIQ.
Note:
To enable MaxIQ caching, read caching must also be enabled.
6
Press
Tab
.
7
Enable or disable write caching: select Enable always for “write-back” caching; select
Disable for “write-through” caching.
8
Press
Enter
to accept the values.
Initializing Disk Drives
If a disk drive appears grayed-out (unavailable for use in a new array), it may need to be
initialized.
Option
Description
Power Management
When enabled, switches the array to low power state, when the array/
drive is inactive.
Slow Down Drive After
The duration of inactive state of the array/drive after which it is slowed
down to low power mode. This is an optional setting.
Note:
The disk drive should support low power mode.
Power Off Drive After
The duration of inactive state of the array/drive after which it is powered
off. This is an optional setting.
Note:
Power Off Drive After duration should be greater than Slow
Down Drive After Duration.
Verify Drive After
The regular time interval at which the system performs a health check of
the array/drive.