z/OS Communications Server: SNA Network Implementation Guide
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Subarea data host

z/OS Communications Server: SNA Network Implementation Guide
SC27-3672-01

For a subarea data host (DH) configuration, use the following worksheet:

Table 1. Worksheet for subarea data host
Step Description Formulas (decimal) Common Private DISPLAY STATS ID
1 Number of 4KB pages allocated for the SNA internal trace table. (trace tab + 4) * 4096 = ________   2
2 Number of device type LUs owned by this SNA in session with an application program owned by this SNA.

PRIVATE:
(LUs w/appls * 420)
COMMON STORAGE:
(LUs w/appls * 500)

 
 
 
= ________

 
= ________

71
3 Number of cross domain sessions between an application program in this SNA and a device type LU owned by another SNA.

PRIVATE:
(cross node appl * 910)
COMMON STORAGE:
(cross node appl * 540)

 
 
 
= ________

 
= ________

112
   

Total Common = ________
                1024

= ________KB (totcom)  
   

Total Private = ________
              1024

  = ________KB (totpri)
Table 2. Summary of subarea data host
DH configuration description Common Private
Calculated COMMON storage for DH configuration from above = ________KB (totcom)  
  DYNAMIC COMMON STORAGE ( 2 x totcom) = ________KB  
  SNA BASE STORAGE (COMMON) +2953KB  
  TOTAL SNA COMMON STORAGE = ________KB  
Calculated PRIVATE storage for DH configuration from above   = ________KB (totpri)
  DYNAMIC PRIVATE STORAGE ( 2 x totpri)   = ________KB
  SNA SYSPLEX STORAGE (if used) +150KB  
  SNA BASE STORAGE (PRIVATE)   + 5507KB
  TOTAL SNA PRIVATE STORAGE   = ________KB

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