CEASE: Possible scenarios for phasing out of SGIs

  Possible scenarios for phasing out of SGI's  
             
Current Situation            
             
Purchased in FY1997 FY1998 FY1999 FY2000    
Up for Renewal in FY2001 FY2002 FY2003 FY2004 Total  
Public 44 0 22 27 93  
Depts 36 3 16 5 60  
Staff/SIPB 12 1 9 2 24  
             
Total 92 4 47 34 177  
             
Scenario 1 Do not replace any SGI machines with SGI's as they come up for renewal  
Sep-00            
Purchased in FY1997 FY1998 FY1999 FY2000 Total  
Public   0 22 27 49  
Depts   3 16 5 24  
Staff/SIPB   1 9 2 12  
             
Total   4 47 34 85  
             
Sep-01            
Purchased in FY1997 FY1998 FY1999 FY2000 Total  
Public     22 27 49  
Depts     16 5 21  
Staff/SIPB     9 2 11  
             
Total     47 34 81  
             
Sep-02            
Purchased in FY1997 FY1998 FY1999 FY2000 Total  
Public       27 27  
Depts       5 5  
Staff/SIPB       2 2  
             
Total       34 34  
             
Sep-03 No more SGI's in the Athena environment  
             
Scenario 2 Keep half the Indy R5000's for a 5th year in FY2001  
Sep-00            
Purchased in FY1997 FY1998 FY1999 FY2000 Total  
Public 22 0 22 27 71  
Depts 18 3 16 5 42  
Staff/SIPB 6 1 9 2 18  
             
Total   4 47 34 85  
             
Sep-01            
Purchased in FY1997 FY1998 FY1999 FY2000 Total  
Public     22 27 49  
Depts     16 5 21  
Staff/SIPB     9 2 11  
             
Total     47 34 81  
             
Sep-02            
Purchased in FY1997 FY1998 FY1999 FY2000 Total  
Public       27 27  
Depts       5 5  
Staff/SIPB       2 2  
             
Total       34 34  
             
Sep-03 No more SGI's in the Athena environment  
             
Scenario 3 Keep all Indy R5000's for a 5th year in FY2001  
Sep-00            
Purchased in FY1997 FY1998 FY1999 FY2000 Total  
Public 44 0 22 27 93  
Depts 36 3 16 5 60  
Staff/SIPB 12 1 9 2 24  
             
Total 92 4 47 34 177  
             
Sep-01            
Purchased in FY1997 FY1998 FY1999 FY2000 Total  
Public     22 27 49  
Depts     16 5 21  
Staff/SIPB     9 2 11  
             
Total     47 34 81  
             
Sep-02            
Purchased in FY1997 FY1998 FY1999 FY2000 Total  
Public       27 27  
Depts       5 5  
Staff/SIPB       2 2  
             
Total       34 34  
             
Sep-03 No more SGI's in the Athena environment  
             
Scenario 4 Replace half the public R5000s with O2's in FY2001
             
Sep-00            
Purchased in FY1997 FY1998 FY1999 FY2000 FY2001 Total
Public 22 0 22 27 22 93
Depts   3 16 5 0 24
Staff/SIPB   1 9 2 0 12
             
Total 22 4 47 34 22 129
             
Sep-01            
Purchased in FY1997 FY1998 FY1999 FY2000 FY2001 Total
Public   0 22 27 22 71
Depts   3 16 5 0 24
Staff/SIPB   1 9 2 0 12
             
Total   4 47 34 22 107
             
Sep-02            
Purchased in FY1997 FY1998 FY1999 FY2000 FY2001 Total
Public       27 22 49
Depts       5 0 5
Staff/SIPB       2 0 2
             
Total       34 22 56
             
Sep-03 22 FY 2001 SGI's left in the Athena environment
             
Scenario 5 Replace all the public R5000s with O2's in FY2001
             
Sep-00            
Purchased in FY1997 FY1998 FY1999 FY2000 FY2001 Total
Public   0 22 27 44 93
Depts   3 16 5 0 24
Staff/SIPB   1 9 2 0 12
             
Total   4 47 34 44 129
             
Sep-01            
Purchased in FY1997 FY1998 FY1999 FY2000 FY2001 Total
Public     22 27 44 93
Depts     16 5 0 21
Staff/SIPB     9 2 0 11
             
Total     47 34 44 125
             
Sep-02            
Purchased in FY1997 FY1998 FY1999 FY2000 FY2001 Total
Public       27 44 71
Depts       5 0 5
Staff/SIPB       2 0 2
             
Total       34 44 78
             
Sep-03 44 FY 2001 SGI's left in the Athena environment
             
Summary of machines in public clusters:        
             
  Scenario 1 Scenario 2 Scenario 3 Scenario 4 Scenario 5  
Sep-99 93 93 93 93 93  
Sep-00 49 71 93 93 93  
Sep-01 49 49 49 71 93  
Sep-02 27 27 27 49 71  
Sep-03 0 0 0 22 44  
             
Scenario 1 Do not replace any SGI machines with SGI's as they come up for renewal  
Scenario 2 Keep half the Indy R5000s for a 5th year in FY2001  
Scenario 3 Keep all Indy R5000s for a 5th year in FY2001  
Scenario 4 Replace half the public R5000s with O2s in FY2001  
Scenario 5 Replace all the public R5000s with O2s in FY2001  

Last Updated on 11/4/99
By Academic Computing