Re: Varying back up times

[rob@xxxxxxxxx]

Tried the SSD estimator tool at
http://www-03.ibm.com/support/techdocs/atsmastr.nsf/WebIndex/PRS3780
Slow day.
                                      CPU         Disk Read Wait  Disk 
Read Wait     Disk Read Wait
Job Name                         Total Seconds    Total Seconds   Average 
Seconds         /CPU 
----------------------------  ----------------  ---------------- 
---------------  ----------------
DSKSUM/ROB/018265                     100.615         9,737.403 .003978    
      97 
CMPFILDTA/MIMIXOWN/017129             169.758         5,129.422 .001193    
      30 
BACKUP/PEGGY/019533                   111.824         4,486.452 .005239    
      40 
CMPFILDTA/MIMIXOWN/017129             193.081         4,380.997 .000732    
      23 
BACKUP/PEGGY/016471                    42.210         3,560.679 .006376    
      84 
CMPFILDTA/MIMIXOWN/017157             142.328         3,155.448 .000862    
      22 
CMPFILDTA/MIMIXOWN/017157             211.785         3,103.465 .001043    
      15 
CMPFILA/MIMIXOWN/017464               313.273         2,188.982 .006955    
       7 
CMPFILA/MIMIXOWN/017512                44.485         1,981.786 .009062    
      45 
CMPFILA/MIMIXOWN/017539                46.631         1,917.063 .008202    
      41 
CMPFILA/MIMIXOWN/017383                45.831         1,642.949 .008082    
      36 
RCV_RUNCMD/MIMIXOWN/019599             13.489         1,635.595 .018616    
     121 

Fast day:
                                      CPU         Disk Read Wait  Disk 
Read Wait     Disk Read Wait
Job Name                         Total Seconds    Total Seconds   Average 
Seconds         /CPU 
----------------------------  ----------------  ---------------- 
---------------  ----------------
BACKUP/PEGGY/026437                    23.265         1,362.622 .004907    
      59 
SERVER1/QEJBSVR/026766                  7.353           738.915 .018120    
     100 
Q1PDR/QPM400/026586                    12.807           722.111 .013604    
      56 
QFILESYS1/QSYS/003873                    .676           431.192 .015350    
     638 
FILERET/QNOTES/026920                   2.153           362.943 .021655    
     169 
QYMEARCPMA/QSYS/026589                 11.265           361.808 .006467    
      32 
QYMEPFRCVT/QSYS/026590                 15.902           333.712 .006608    
      21 
QYPSJSVR/QYPSJSVR/009179               41.714           291.599 .024920    
       7 
QIWIRELESS/QYPSJSVR/027165              1.612           279.137 .025086    
     173 
DESIGN/QNOTES/027222                    6.975           263.651 .020032    
      38 
SERVER/QNOTES/026773                    3.767           250.249 .019512    
      66 
ADMIN2/QLWISVR/027171                   7.264           215.462 .017331    
      30 

Suspect those Mimix audits and whatnot hammer hard.  Makes sense.
One drag is we have no data from the start of the backup until about 
midnight.  Performance collection gets killed by the backup.

Rob Berendt