[Info-vax] Pagefile is not showing on 8.2 running on Alpha

Joseph Huber joseph.huber at NOSPAM.web.de
Wed Aug 25 09:56:23 EDT 2010


CY wrote:

> Where is the page file, I'll have a look
> 
> DSA0:[SYS0.SYSEXE]sho mem
>               System Memory Resources on 25-AUG-2010 15:14:27.32
> 
> Physical Memory Usage (pages):     Total        Free      In Use
> Modified
>   Main Memory (1024.00MB)         131072       44101       75394
> 11577
> 
> Extended File Cache  (Time of last reset: 16-JUN-2010 13:26:27.48)
>  Allocated (MBytes)              9.70    Maximum size
> (MBytes)           512.00
>  Free (MBytes)                   0.00    Minimum size
> (MBytes)             3.12
>  In use (MBytes)                 9.70    Percentage Read I/
> Os                56%
>  Read hit rate                     27%   Write hit
> rate                       0%
>  Read I/O count             546865663    Write I/O count
> 414409341
>  Read hit count             151013565    Write hit
> count                      0
>  Reads bypassing cache          15089    Writes bypassing cache
> 18658052
>  Files cached open                951    Files cached
> closed                  5
>  Vols in Full XFC mode              0    Vols in VIOC Compatible
> mode         8
>  Vols in No Caching mode            0    Vols in Perm. No Caching
> mode        0
> 
> Granularity Hint Regions (pages):  Total        Free      In Use
> Released
>   Execlet code region               1024           0
> 984          40
>   Execlet data region                512           0
> 408         104
>   S0/S1 Executive data region        765           0
> 765           0
>   Resident image code region        2048           0
> 1184         864
> 
> Slot Usage (slots):                Total        Free    Resident
> Swapped
>   Process Entry Slots                733         511
> 222           0
>   Balance Set Slots                  731         511
> 220           0
> 
> Dynamic Memory Usage:              Total        Free      In Use
> Largest
>   Nonpaged Dynamic Memory (MB)     11.61        4.53
> 7.08        0.54
>   Paged Dynamic Memory    (MB)      6.57        3.68
> 2.88        3.67
>   Lock Manager Dyn Memory (MB)     10.28        0.93        9.34
> 
> Buffer Object Usage (pages):                  In Use        Peak
>   32-bit System Space Windows (S0/S1)           2049        2049
>   64-bit System Space Windows (S2)                 0           0
>   Physical pages locked by buffer objects       2049        2049
> 
> Memory Reservations (pages):       Group    Reserved      In
> Use        Type
>   Total (0 bytes reserved)                         0           0
> 
> Write Bitmap (WBM) Memory Summary
>   Local bitmap count:     0     Local bitmap memory usage
> (bytes)       0.00
>   Master bitmap count:    6     Master bitmap memory usage (KB)
> 864.00
> 
> Swap File Usage (8KB pages):                   Index
> Free        Size
>   DISK$ALPHASYS:
> [SYS0.SYSEXE]SWAPFILE.SYS
>                                                    1
> 8904        8904
> 
> No paging files are installed.
>   Total committed paging file usage:
> 69547
> 
> Of the physical pages in use, 7425 pages are permanently allocated to
> OpenVMS.
> 
> And Where do those 69547 come from...
> 
> Think its this:
> 
> Directory DSA0:[SYS0.SYSEXE]
> 
> PAGEFILE.SYS;1                          4202500/4202512  12-DEC-2006
> 19:31:36.23
> SWAPFILE.SYS;1                           142592/142592   13-DEC-2006
> 07:56:12.64
> 
> Total of 2 files, 4345092/4345104 blocks.
> 
> Its using a pagefile as it seems...
> 
> Just a bug in sho mem, or my eyes getting weeker...


No , it is not SHOW MEM failing, there is no pagefile installed.
Since   DISK$ALPHASYS:[SYS0.SYSEXE]SWAPFILE.SYS the swapfile is on a
different disk than DSA0:[SYS0.SYSEXE], I suppose the pagefile is on a
different disk, and needs to be installed explicitly at startup:
put the mount and install commands for DSA0: in either
 sys$system:SYPAGSWPFILES.COM
or sys$system:satellite_page.com

  

--
Joseph Huber, http://www.huber-joseph.de



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