[Veritas-bu] NetBackup 6.5.4 backup speed to IBM LTO-4 w/ENCRYPTION

Nothing else going on with the host, run all backup jobs to a disk staging 
unit, then perform the duplicate -> to tape.

Speed to LTO-4 (w/encryption+AES256):

Fiber Card: QLogic Corp. ISP2432-based 4Gb Fibre Channel

The bytes [io/bi] in (reading) off of a RAID-6 with 20+ 15k RPM drives:

procs -----------memory---------- ---swap-- -----io---- --system-- 
-----cpu------
  r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa 
st
  1  0    252  85524  21748 15879868    0    0 123000    24 3294 2513  0  1 98  
0  0
  1  0    252  88820  22080 15856380    0    0 130200    64 4100 3591  2  2 90  
6  0
  0  0    252  89368  22056 15858372    0    0 123000     0 3367 2462  1  2 97  
1  0
  0  0    252  85348  22020 15862384    0    0 118900     0 3353 2394  0  1 98  
0  0
  0  1    252  88444  22024 15858284    0    0 118936   708 3223 4899  1  1 97  
1  0
  0  1    252  89748  22036 15852700    0    0 124440     0 3546 2719  1  2 96  
1  0
  0  0    252  85780  22024 15859984    0    0 122436    80 3231 2465  0  1 98  
0  0
  0  0    252  86200  22028 15859896    0    0 114808     0 3139 2435  0  1 98  
1  0
  0  1    252  86220  22016 15856048    0    0 119468     8 3231 2985  0  1 98  
1  0
  0  0    252  86216  22008 15859656    0    0 126536   448 3247 2518  0  1 98  
1  0
  0  0    252  90416  22012 15855884    0    0 118900     0 3145 2457  0  1 98  
0  0
  0  1    252  87356  21904 15855712    0    0 94864     0 2705 2301  0  1 97  
2  0
  0  0    252  82968  21936 15863436    0    0 147036     0 3590 2605  0  2 98  
1  0
  0  0    252  83140  21948 15863620    0    0 114800    28 3118 2438  0  1 98  
0  0
  1  0    252  83260  21924 15863288    0    0 123000    96 3162 2486  0  1 98  
0  0
  0  0    252  87156  21920 15859444    0    0 127100    24 3365 2495  0  1 98  
1  0
  0  0    252  83212  21924 15863032    0    0 118900     0 3148 2424  0  1 98  
0  0
  0  0    252  90696  21788 15855716    0    0 123000     0 3079 2540  0  1 98  
0  0
  0  0    252  90692  21096 15857020    0    0 123000     0 3203 2436  0  1 98  
1  0
  0  0    252  83012  21020 15864816    0    0 118900     0 3248 2439  0  1 98  
0  0
  2  0    252  81224  21048 15861512    0    0 115260    24 3073 2616  1  2 98  
0  0

Average is right around 120MB/s which is correct for LTO-4.  This is when the
backup was duplicating compressed data.

Earlier, when it was duplicating data (word documents, etc, heavily 
compressible files):

procs -----------memory---------- ---swap-- -----io---- --system-- 
-----cpu------
  r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa 
st
  2  0    252  88876  24316 15872360    0    0 287000     0 6172 3813  0  3 95  
2  0
  0  0    252  89664  24392 15871136    0    0 221400     0 4975 3285  0  2 96  
1  0
  1  0    252  90292  24424 15871016    0    0 229600     0 5169 3377  0  3 96  
2  0
  0  1    252  84012  24364 15873812    0    0 312164     0 6400 4102  0  4 94  
2  0
  0  0    252  85564  24428 15875432    0    0 200336   180 4736 3104  0  2 96  
1  0
  2  0    252  89040  24448 15872076    0    0 266500     0 5641 3681  0  3 95  
2  0
  0  0    252  85960  21984 15877568    0    0 332100     0 7138 4240  0  4 93  
3  0
  1  0    252  83072  22048 15880620    0    0 336200     0 6912 4284  0  4 94  
2  0
  2  0    252  82452  22168 15878648    0    0 336204     0 6925 4262  0  4 93  
3  0
  1  1    252  85192  22228 15874792    0    0 332664    40 6830 4243  0  4 94  
2  0
  0  1    252  86200  22228 15873428    0    0 336200     0 7100 4223  0  4 93  
2  0
  0  0    252  89968  22296 15873180    0    0 253636   540 5394 3549  0  3 94  
3  0

If the bandwidth is available (high speed drives) etc, its quite nice to see
nice xfer rates such as this.

After the duplication to tape is finished, I'll see if I can find the average
speed across the entire duplication if that is logged in the bptm logs.

Parameters used:
NUMBER_DATA_BUFFERS: 32
NUMBER_DATA_BUFFERS_RESTORE: 32
SIZE_DATA_BUFFERS: 262144
SIZE_DATA_BUFFERS_DISK: 262144

Justin.

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