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NAME

wafl aac - displays allocation area cache/statistics information of the specified volume.

SYNOPSIS

wafl aac { cache | stats } vol_name [ rg-id ] [ -v ]

DESCRIPTION

The wafl aac command has two main forms.

If cache is specified, the command prints the allocation area (AA) scores information of the specified volume.

If stats is specified, the command prints the allocation area (AA) statistics information of the specified volume.

OPTIONS

rg-id
Used to display the allocation area cache/stats information of the specified raid group of the pvol. If raid group is not specified, it displays the AA cache information of all the raid groups associated with the specified volume (pvol). This option is used only for traditional volumes /aggregates ( pvol ).

-v
Used to indicate verbose version of the command. It prints additional information of the AA cache.

EXAMPLES

toaster> wafl aac cache vol0 
  **********Histogram**************
  Bucket(32768-32768)     Count:1 Index:38
  Bucket(31744-32768)     Count:0 Index:39
  Bucket(30720-31744)     Count:0 Index:39
  Bucket(29696-30720)     Count:0 Index:39
  Bucket(28672-29696)     Count:0 Index:39
  Bucket(27648-28672)     Count:0 Index:39
  Bucket(26624-27648)     Count:0 Index:39
  Bucket(25600-26624)     Count:1 Index:39
  Bucket(24576-25600)     Count:3 Index:40
  Bucket(23552-24576)     Count:1 Index:43
  Bucket(22528-23552)     Count:0 Index:44
  Bucket(21504-22528)     Count:0 Index:44
  Bucket(20480-21504)     Count:0 Index:44
  Bucket(19456-20480)     Count:1 Index:44
  Bucket(18432-19456)     Count:0 Index:45
  Bucket(17408-18432)     Count:0 Index:45
  Bucket(16384-17408)     Count:0 Index:45
  Bucket(15360-16384)     Count:0 Index:45
  Bucket(14336-15360)     Count:0 Index:45
  Bucket(13312-14336)     Count:1 Index:45
  Bucket(12288-13312)     Count:0 Index:46
  Bucket(11264-12288)     Count:0 Index:46
  Bucket(10240-11264)     Count:0 Index:46
  Bucket(9216-10240)      Count:0 Index:46
  Bucket(8192-9216)       Count:0 Index:46
  Bucket(7168-8192)       Count:0 Index:46
  Bucket(6144-7168)       Count:0 Index:46
  Bucket(5120-6144)       Count:0 Index:46
  Bucket(4096-5120)       Count:0 Index:46
  Bucket(3072-4096)       Count:0 Index:46
  Bucket(2048-3072)       Count:0 Index:46
  Bucket(1024-2048)       Count:0 Index:46
  Bucket(256-1024)        Count:0 Index:46
  Bucket(0-256)   Count:0 Index:46
  Bucket(0-0)     Count:0 Index:46
  max_idx : 1000, max_bkts 34, reval state: 0,
  sync element: -1, cutoff: 35
  Total elements in array: 8
  Elements :      1| 2| 0| 5| 4| 6| 3| 7|
  Reval state: No reval
toaster> wafl aac cache tradvol 2 -v 
  RG id: 2
  Total cylinder groups: 2
  Cylinder Group 0:
  Top AA's: 1, 8192 | 2, 8192 | 3, 8192 | 4, 8192 | 5, 8192 | 6, 8192 | 7, 8192 | 8, 8192 | 9, 8192 | 10, 8192 |
  11, 8192 | 12, 8192 | 13, 8192 | 14, 8192 | 15, 8192 | 16, 8192 | 17, 8192 | 18, 8192 | 19, 8192 | 20, 8192 |
  21, 8192 | 22, 8192 | 23, 8192 | 24, 8192 | 25, 8192 | 26, 8192 | 27, 8192 | 28, 8192 | 29, 8192 | 30, 8192 |
  31, 8192 |
  AA's with score: 1 8192 | 2 8192 | 3 8192 | 4 8192 | 5 8192 | 6 8192 | 7 8192 | 8 8192 | 9 8192 | 10 8192 |
  11 8192 | 12 8192 | 13 8192 | 14 8192 | 15 8192 | 16 8192 | 17 8192 | 18 8192 | 19 8192 | 20 8192 |
  21 8192 | 22 8192 | 23 8192 | 24 8192 | 25 8192 | 26 8192 | 27 8192 | 28 8192 | 29 8192 | 30 8192 |
  31 8192 | 0 8192 |
  Cylinder Group 1:
  Top AA's: 32, 8192 | 33, 8192 | 34, 8192 | 35, 8192 | 36, 8192 | 37, 8192 | 38, 8192 | 39, 8192 | 40, 8192 | 41, 8192 |
  42, 8192 | 43, 8192 | 44, 8192 | 45, 8192 | 46, 8192 | 47, 8192 | 48, 8192 | 49, 8192 | 50, 8192 | 51, 8192 |
  52, 8192 | 53, 8192 | 54, 8192 | 55, 8192 | 56, 8192 | 57, 8192 | 58, 8192 | 59, 8192 | 60, 8192 | 61, 8192 |
  62, 4091 |
  AA's with score: 32 8192 | 33 8192 | 34 8192 | 35 8192 | 36 8192 | 37 8192 | 38 8192 | 39 8192 | 40 8192 | 41 8192 |
  42 8192 | 43 8192 | 44 8192 | 45 8192 | 46 8192 | 47 8192 | 48 8192 | 49 8192 | 50 8192 | 51 8192 |
  52 8192 | 53 8192 | 54 8192 | 55 8192 | 56 8192 | 57 8192 | 58 8192 | 59 8192 | 60 8192 | 61 8192 |
  62 4091 |
  Reval state: No reval
toaster> wafl aac stats tradvol 
  RG id: 0
  Total aa cache rebuilds: 1
  Total time taken for aa cache rebuild: 57
  Minimum time taken for a single rebuild: 57
  Maximum time taken for a single rebuild: 57
  Total AA's: 63
  Total cylinder groups: 2
  AA's in Cylinder Group 0: 32
  AA's in Cylinder Group 1: 31
  RG id: 1
  Total aa cache rebuilds: 1
  Total time taken for aa cache rebuild: 57
  Minimum time taken for a single rebuild: 57
  Maximum time taken for a single rebuild: 57
  Total AA's: 63
  Total cylinder groups: 2
  AA's in Cylinder Group 0: 32
  AA's in Cylinder Group 1: 31
  RG id: 2
  Total aa cache rebuilds: 1
  Total time taken for aa cache rebuild: 57
  Minimum time taken for a single rebuild: 57
  Maximum time taken for a single rebuild: 57
  Total AA's: 63
  Total cylinder groups: 2
  AA's in Cylinder Group 0: 32
  AA's in Cylinder Group 1: 31
  RG id: 3
  Total aa cache rebuilds: 1
  Total time taken for aa cache rebuild: 57
  Minimum time taken for a single rebuild: 57
  Maximum time taken for a single rebuild: 57
  Total AA's: 63
  Total cylinder groups: 2
  AA's in Cylinder Group 0: 32
  AA's in Cylinder Group 1: 31
  RG id: 4
  Total aa cache rebuilds: 1
  Total time taken for aa cache rebuild: 57
  Minimum time taken for a single rebuild: 57
  Maximum time taken for a single rebuild: 57
  Total AA's: 63
  Total cylinder groups: 2
  AA's in Cylinder Group 0: 32
  AA's in Cylinder Group 1: 31

SEE ALSO

na_help(1),

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