Dell 5 series User's Manual

Download Operation & user’s manual of Dell 5 series Computer Hardware for Free or View it Online on All-Guides.com.

Brand: Dell

Category: Computer Hardware

Type: Operation & user’s manual for Dell 5 series

Pages: 112 (8.6 Mb)

Download Dell 5 series Operation & user’s manual

Dell 5 series Operation & user’s manual - Page 1
1
Dell 5 series Operation & user’s manual - Page 2
2
Dell 5 series Operation & user’s manual - Page 3
3
Dell 5 series Operation & user’s manual - Page 4
4
Dell 5 series Operation & user’s manual - Page 5
5
Dell 5 series Operation & user’s manual - Page 6
6
Dell 5 series Operation & user’s manual - Page 7
7
Dell 5 series Operation & user’s manual - Page 8
8
Dell 5 series Operation & user’s manual - Page 9
9
Dell 5 series Operation & user’s manual - Page 10
10
Dell 5 series Operation & user’s manual - Page 11
11
Dell 5 series Operation & user’s manual - Page 12
12
Dell 5 series Operation & user’s manual - Page 13
13
Dell 5 series Operation & user’s manual - Page 14
14
Dell 5 series Operation & user’s manual - Page 15
15
Dell 5 series Operation & user’s manual - Page 16
16
Dell 5 series Operation & user’s manual - Page 17
17
Dell 5 series Operation & user’s manual - Page 18
18
Dell 5 series Operation & user’s manual - Page 19
19
Dell 5 series Operation & user’s manual - Page 20
20
Dell 5 series Operation & user’s manual - Page 21
21
Dell 5 series Operation & user’s manual - Page 22
22
Dell 5 series Operation & user’s manual - Page 23
23
Dell 5 series Operation & user’s manual - Page 24
24
Dell 5 series Operation & user’s manual - Page 25
25
Dell 5 series Operation & user’s manual - Page 26
26
Dell 5 series Operation & user’s manual - Page 27
27
Dell 5 series Operation & user’s manual - Page 28
28
Dell 5 series Operation & user’s manual - Page 29
29
Dell 5 series Operation & user’s manual - Page 30
30
Dell 5 series Operation & user’s manual - Page 31
31
Dell 5 series Operation & user’s manual - Page 32
32
Dell 5 series Operation & user’s manual - Page 33
33
Dell 5 series Operation & user’s manual - Page 34
34
Dell 5 series Operation & user’s manual - Page 35
35
Dell 5 series Operation & user’s manual - Page 36
36
Dell 5 series Operation & user’s manual - Page 37
37
Dell 5 series Operation & user’s manual - Page 38
38
Dell 5 series Operation & user’s manual - Page 39
39
Dell 5 series Operation & user’s manual - Page 40
40
Dell 5 series Operation & user’s manual - Page 41
41
Dell 5 series Operation & user’s manual - Page 42
42
Dell 5 series Operation & user’s manual - Page 43
43
Dell 5 series Operation & user’s manual - Page 44
44
Dell 5 series Operation & user’s manual - Page 45
45
Dell 5 series Operation & user’s manual - Page 46
46
Dell 5 series Operation & user’s manual - Page 47
47
Dell 5 series Operation & user’s manual - Page 48
48
Dell 5 series Operation & user’s manual - Page 49
49
Dell 5 series Operation & user’s manual - Page 50
50
Dell 5 series Operation & user’s manual - Page 51
51
Dell 5 series Operation & user’s manual - Page 52
52
Dell 5 series Operation & user’s manual - Page 53
53
Dell 5 series Operation & user’s manual - Page 54
54
Dell 5 series Operation & user’s manual - Page 55
55
Dell 5 series Operation & user’s manual - Page 56
56
Dell 5 series Operation & user’s manual - Page 57
57
Dell 5 series Operation & user’s manual - Page 58
58
Dell 5 series Operation & user’s manual - Page 59
59
Dell 5 series Operation & user’s manual - Page 60
60
Dell 5 series Operation & user’s manual - Page 61
61
Dell 5 series Operation & user’s manual - Page 62
62
Dell 5 series Operation & user’s manual - Page 63
63
Dell 5 series Operation & user’s manual - Page 64
64
Dell 5 series Operation & user’s manual - Page 65
65
Dell 5 series Operation & user’s manual - Page 66
66
Dell 5 series Operation & user’s manual - Page 67
67
Dell 5 series Operation & user’s manual - Page 68
68
Dell 5 series Operation & user’s manual - Page 69
69
Dell 5 series Operation & user’s manual - Page 70
70
Dell 5 series Operation & user’s manual - Page 71
71
Dell 5 series Operation & user’s manual - Page 72
72
Dell 5 series Operation & user’s manual - Page 73
73
Dell 5 series Operation & user’s manual - Page 74
74
Dell 5 series Operation & user’s manual - Page 75
75
Dell 5 series Operation & user’s manual - Page 76
76
Dell 5 series Operation & user’s manual - Page 77
77
Dell 5 series Operation & user’s manual - Page 78
78
Dell 5 series Operation & user’s manual - Page 79
79
Dell 5 series Operation & user’s manual - Page 80
80
Dell 5 series Operation & user’s manual - Page 81
81
Dell 5 series Operation & user’s manual - Page 82
82
Dell 5 series Operation & user’s manual - Page 83
83
Dell 5 series Operation & user’s manual - Page 84
84
Dell 5 series Operation & user’s manual - Page 85
85
Dell 5 series Operation & user’s manual - Page 86
86
Dell 5 series Operation & user’s manual - Page 87
87
Dell 5 series Operation & user’s manual - Page 88
88
Dell 5 series Operation & user’s manual - Page 89
89
Dell 5 series Operation & user’s manual - Page 90
90
Dell 5 series Operation & user’s manual - Page 91
91
Dell 5 series Operation & user’s manual - Page 92
92
Dell 5 series Operation & user’s manual - Page 93
93
Dell 5 series Operation & user’s manual - Page 94
94
Dell 5 series Operation & user’s manual - Page 95
95
Dell 5 series Operation & user’s manual - Page 96
96
Dell 5 series Operation & user’s manual - Page 97
97
Dell 5 series Operation & user’s manual - Page 98
98
Dell 5 series Operation & user’s manual - Page 99
99
Dell 5 series Operation & user’s manual - Page 100
100
Dell 5 series Operation & user’s manual - Page 101
101
Dell 5 series Operation & user’s manual - Page 102
102
Dell 5 series Operation & user’s manual - Page 103
103
Dell 5 series Operation & user’s manual - Page 104
104
Dell 5 series Operation & user’s manual - Page 105
105
Dell 5 series Operation & user’s manual - Page 106
106
Dell 5 series Operation & user’s manual - Page 107
107
Dell 5 series Operation & user’s manual - Page 108
108
Dell 5 series Operation & user’s manual - Page 109
109
Dell 5 series Operation & user’s manual - Page 110
110
Dell 5 series Operation & user’s manual - Page 111
111
Dell 5 series Operation & user’s manual - Page 112
112
PERC 5 Features 19
Battery Management
The Transportable Battery Backup Unit (TBBU) is a cache memory module with an integrated battery
pack that enables you to transport the cache module with the battery into a new controller. The TBBU
protects the integrity of the cached data on the PERC 5/E Adapter by providing backup power during
a power outage.
The Battery Backup Unit (BBU) is a battery pack that protects the integrity of the cached data on the
PERC 5/i Adapter and PERC 5/i Integrated controllers by providing backup power during a power
outage. Unlike the TBBU, the BBU is not directly attached to the cache memory module and is therefore
not transportable with the controller.
The TBBU and BBU offer an inexpensive way to protect the data on the memory module. The lithium
battery provides a way to store more power in a smaller form factor than previous batteries.
See "Transferring a TBBU Between Controllers" on page 30 for detailed procedures about handling
controller cache in case of a controller failure.
Introduction to Write Cache Policy
The cache controller writes a block of data to cache memory, which is much faster than writing to
the physical disk. The cache controller sends an acknowledgement of data transfer completion to the
host system.
Write-Back versus Write-Through
In write-through caching, the controller sends a data transfer completion signal to the host system when
the disk subsystem has received all the data in a transaction. The controller then writes the cached data
to the storage device when system activity is low or when the write buffer approaches capacity.
In write-back caching, the controller sends a data transfer completion signal to the host when the
controller cache has received all the data in a transaction. The cached data is not written to the
storage device.
The risk of using write-back cache is that the cached data can be lost if there is a power failure before it is
written to the storage device. This risk is eliminated by using a battery backup unit on selected PERC 5
controllers. Refer to Table 2-1 for information on which controllers support a battery backup unit.
Write-back caching has a performance advantage over write-through caching.
NOTE: The default cache setting is write-back caching.
NOTE: Certain data patterns and configurations perform better in a write-through cache policy.
How Firmware Manages Cache
Firmware manages cache based on the condition of the battery. Learn Cycle is a battery calibration
operation performed by the controller periodically (approximately every 3 months) to determine the
condition of the battery.
Dell_PERC5_UG.book Page 19 Tuesday, February 13, 2007 6:02 PM