Dell OpenManage Server Administrator Version 6.5 Instrukcja Użytkownika Strona 19
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Oceniono. / 5. Na podstawie oceny klientów
Read, Write, Cache and Disk Cache Policy
Table 1-44. Read, Write, and Cache Policy Supported by the SAS 5/iR, SAS 6/iR, and H200 Controllers
Enclosure Support
Table 1-45. Enclosure Support on the SAS 5/iR, SAS 6/iR, and H200 Controllers
Maximum Number of Spans per Virtual Disk
1
1
1
Maximum Number of Physical Disks per Span
4
10
10
Minimum Stripe Size
64k
64k
64k
Maximum Stripe Size
64k
64k
64k
Maximum Number of Virtual Disks per Disk Group
1
1
1
Maximum Number of Physical Disks that Can Be Concatenated
NA
NA
NA
Maximum Number of Physical Disks in a RAID 0
4
8
10 - Adapter
10 - Integrated
4 - Modular
Maximum Physical Disks in a RAID 1
2
2
2
Maximum Number of Physical Disks in a RAID 5
NA
NA
NA
Maximum Number of Physical Disks in a RAID 10
NA
NA
10 - Adapter
10 - Integrated
4 - Modular
Maximum Number of Physical Disks in a RAID 50
NA
NA
NA
Minimum Number of Physical Disks that Can Be Concatenated
NA
NA
NA
Minimum Number of Physical Disks in a RAID 0
2
2
2
Minimum Number of Physical Disks in a RAID 1
2
2
2
Minimum Number of Physical Disks in a RAID 5
NA
NA
NA
Minimum Number of Physical Disks in a RAID 10
NA
NA
4
Minimum Number of Physical Disks in a RAID 50
NA
NA
NA
Maximum number of physical disks in a RAID 6
NA
NA
NA
Maximum number of physical disks in a RAID 60
NA
NA
NA
Minimum number of physical disks in a RAID 6
NA
NA
NA
Minimum number of physical disks in a RAID 60
NA
NA
NA
Maximum number of disks in configured state (part of a virtual disk or hot spares)
8
8
14
Read, Write, and Cache Policy
SAS 5/IR
SAS 6/iR
PERC H200
Cache settings
No
No
No
Read Policy
No
No
No
Read Ahead (Enabled)
No
No
No
Adaptive Read Ahead
No
No
No
No Read Ahead (Disabled)
No
No
No
Write Policy
No
No
No
Write Back
No
No
No
Write Through
No
No
No
Force Write Back (Enabled Always)
No
No
No
Write Cache Enabled Protected
No
No
No
Cache Policy
No
No
No
Disk Cache Policy
Yes
Yes
Yes
Cache I/O
No
No
No
Direct I/O
No
No
No
Enclosure Support
SAS 5/IR
SAS 6/iR
PERC H200
Can an enclosure be attached to this controller?
No
No
No
- Notes and Cautions 1
- Supported Features 2
- Battery Tasks 10
- Connector Tasks 10
- Physical Disk Tasks 10
- Virtual Disk Tasks 10
- Virtual Disk Specifications 11
- Supported RAID Levels 11
- Enclosure Support 12
- Controller Tasks 13
- Permanently Degraded 26
- Rebuilding 27
- Physical Disks 30
- Other Disk Procedures 31
- Physical Disk Properties 32
- Remove Dead Segments 35
- Prepare to Remove 35
- Initialize 35
- Rebuild 35
- Cancel Rebuild 35
- Online and Offline 36
- Revertible Hot Spare 37
- Instant Encrypt Erase 38
- RAID Controller Batteries 39
- Battery Delay Learn Cycle 42
- BIOS Terminology 43
- Connectors 44
- Connector Health 45
- Connector Properties 46
- Back to Contents Page 48
- Controllers 49
- RAID Controller Features 50
- Read Policy 51
- Write Policy 51
- Cache Policy 51
- Disk Cache Policy 52
- Firmware/Driver Versions 54
- Controller Health 54
- Controller Components 55
- Controller Properties 55
- Available Reports 57
- Set Rebuild Rate 59
- Reset Configuration 60
- Export Log 61
- Set Check Consistency Rate 67
- Set Reconstruct Rate 67
- Set Patrol Read Mode 69
- Start and Stop Patrol Read 70
- Manage Physical Disk Power 72
- Manage Preserved Cache 72
- Manage Encryption Key 72
- Encryption Key 73
- Enabling LKM 73
- Patrol Read Report 74
- Check Consistency Report 74
- Slot Occupancy Report 75
- Manage CacheCade 76
- Resizing the CacheCade 77
- Renaming the CacheCade 77
- Deleting the CacheCade 77
- CacheCade Properties 77
- Enclosures and Backplanes 79
- SMART Thermal Shutdown 80
- Enclosure Management 81
- Enclosure Tasks 83
- Set Asset Data 85
- View Slot Occupancy Report 87
- EMM Properties 87
- Fan Properties 88
- Power Supply Properties 88
- Related information: 92
- Getting Started 93
- Displaying the Online Help 94
- Common Storage Tasks 94
- Understanding Hot Spares 96
- 4e/Si, and 4e/Di Controllers 98
- Required Conditions 100
- Moving the Disks 101
- Overview 102
- Supported Controllers 103
- Supported Enclosures 104
- Storage Health 105
- Select Report 105
- Storage Component Severity 105
- Alerts or Events 106
- Related Information: 107
- Storage Properties 109
- Global Tasks 109
- Storage Controllers 110
- Storage Components 111
- What Is RAID? 112
- Concatenation 113
- RAID Level 0 (Striping) 114
- RAID Level 1 (Mirroring) 115
- RAID 5 Characteristics: 116
- RAID 6 Characteristics: 117
- RAID 50 Characteristics: 117
- RAID 60 Characteristics: 118
- RAID 10 Characteristics: 119
- No-RAID 121
- Troubleshooting 122
- Replacing a Failed Disk 123
- A Rebuild Does Not Work 125
- Redundant Virtual Disks 126
- Virtual Disks 130
- SATA1.5/2s Controllers 131
- Creating Virtual Disks 132
- Expansion 133
- Controllers 134
- Recommendations 135
- Virtual Disk Properties 135
- Connector 0 144
- Physical Disks Selected 144
- Span Edit 145
- Considerations for Format 148
- Virtual Disk Task: Delete 149
- Virtual Disk Task: Rename 150
- Split Mirror 151
- Unmirror 151
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