1 marek 1.1 // Copyright (c) 2005 DMTF.  All rights reserved.
 2           // <change cr="ArchCR00066.004" type="add">Add UmlPackagePath
 3           // qualifier values to CIM Schema.</change>
 4           // <change cr="ArchCR00089.003" type="add">Add PUnit qualifier values
 5           // to Units qualifier values.</change>
 6           // ==================================================================
 7           //  CIM_StorageSettingWithHints 
 8           // ==================================================================
 9              [Version ( "2.7.1" ), 
10               UMLPackagePath ( "CIM::Device::StorageServices" ), 
11               Description ( 
12                  "This subclass of StorageSetting allows a client to specify "
13                  "\'hint\'s for optimization of the volume performance. The "
14                  "effect of these hints is implementation dependent." )]
15           class CIM_StorageSettingWithHints : CIM_StorageSetting {
16           
17                 [Write, Description ( 
18                     "This hint is an indication from a client of the "
19                     "importance placed on data availability. Values are "
20                     "0=Don\'t Care to 10=Very Important." ), 
21                  MinValue ( 0 ), 
22 marek 1.1        MaxValue ( 10 )]
23              uint16 DataAvailabilityHint;
24           
25                 [Write, Description ( 
26                     "This hint is an indication from a client of the "
27                     "randomness of accesses. Values are 0=Entirely Sequential "
28                     "to 10=Entirely Random." ), 
29                  MinValue ( 0 ), 
30                  MaxValue ( 10 )]
31              uint16 AccessRandomnessHint;
32           
33                 [Write, Description ( 
34                     "This hint is an indication from a client of the "
35                     "direction of accesses. Values are 0=Entirely Read to "
36                     "10=Entirely Write." ), 
37                  MinValue ( 0 ), 
38                  MaxValue ( 10 )]
39              uint16 AccessDirectionHint;
40           
41                 [Write, Description ( 
42                     "This hint is an indication from a client of the optimal "
43 marek 1.1           "access sizes (in bytes). Since this property is an "
44                     "array, several sizes can be specified." ), 
45                  Units ( "Bytes" ), 
46                  PUnit ( "byte" )]
47              uint16 AccessSizeHint[];
48           
49                 [Write, Description ( 
50                     "This hint is an indication from a client how important "
51                     "access latency is. Values are 0=Don\'t Care to 10=Very "
52                     "Important." ), 
53                  MinValue ( 0 ), 
54                  MaxValue ( 10 )]
55              uint16 AccessLatencyHint;
56           
57                 [Write, Description ( 
58                     "This hint is an indication from a client of bandwidth "
59                     "prioritization. Values are 0=Don\'t Care to 10=Very "
60                     "Important." ), 
61                  MinValue ( 0 ), 
62                  MaxValue ( 10 )]
63              uint16 AccessBandwidthWeight;
64 marek 1.1 
65                 [Write, Description ( 
66                     "This hint is an indication of the importance the client "
67                     "places on the cost of storage. Values are 0=Don\'t Care "
68                     "to 10=Very Important. A StorageVolume provider might "
69                     "choose to place data on low cost or high cost drives "
70                     "based on this parameter." ), 
71                  MinValue ( 0 ), 
72                  MaxValue ( 10 )]
73              uint16 StorageCostHint;
74           
75                 [Write, Description ( 
76                     "This hint is an indication of the importance placed on "
77                     "storage space efficiency by the client. Values are "
78                     "0=Don\'t Care to 10=Very Important. A StorageVolume "
79                     "provider might choose different RAID levels based on "
80                     "this hint." ), 
81                  MinValue ( 0 ), 
82                  MaxValue ( 10 )]
83              uint16 StorageEfficiencyHint;
84           
85 marek 1.1 
86           };