Re: SCO set up question

On Wed, 17 Jun 1998 23:16:24 +0100, David Williams <djw@smooth1.demon.co.uk> wrote: >In article <3587f373.8281406@news.newmedia.no>, Nils Myklebust ><Nils.Myklebust@nmdata.com> writes >>Log in as root. >>Then do: >>man stune >>then >>man idtune >>and you'll get some information. >>SCO where kind enough to leave out some key kernel parameters from >>their "program" that is supposed to be used to set these up. You can >>set them with the idtune command however. >> >>I believe the values you have set up are from the release notes and >>are somewhat out of line. Here is a copy of my /etc/conf/cf.d/stune >>file which contain these parameters (never ever edit this file >>directly): >> >>EVDEVS 224 >>EVQUEUES 216 >>NSPTTYS 192 >>NUMSP 320 >>NSTREAM 6144 >>NHINODE 1024 >>TTHOG 8192 >>NCLIST 1512 >>NSTREVENT 8320 >>NUMTIM 1040 >>NUMTRW 1040 >>SECLUID 0 >>SECSTOPIO 1 >>SECCLEARID 1 >>MAXUP 200 >>NOFILES 256 >>SEMMAP 200 >>SEMMNI 50 >>SEMMNU 50 >>SHMMAX 100000000 >>SEMMNS 256 >>SHMSEG 10 >>SEMMSL 150 >>NMUXLINK 320 >>NSTRPAGES 756 >> >>I have set some of these values myself. Others have just poped in >>there for some unknown reason and I have little or no idea what they >>do. >>These values work on a machine with 128 MB memory and on the order of >>20 to 30 simultaneous connections to the database and little other >>activity. >>There are probably several things that could be done better. However >>the whole issue of tuning kernel parameters on SCO Unix is a black art >>with very little real information available. That's not my profession, >>so as long as it works reasonably well I am content. >> >>If we boot the machine there is allways a message about two of these >>parameters beeing outside the leagal range (as defined in >>/etc/conf/cf.d/mtune), but they still seem to take effect and >>everything works anyway. I don't remember which parameters, but they > > Sometimes they will take effect and sometimes they won't depends upon > the version of SCO. It is better to edit the mtune file and change the > maximum... But be carefull that there are maximum values you can't exceed. I have no idea of any documentation of these or what they are, but you should be carefull in editing this file at all. The SCO documentation states that neither the stune nor mtune file should be edited directly. >>did have to be set higher than the maximum value given in the mtune >>file for the Informix engine to work. >>To me this is all a big grand hack from both SCO and Informix. >> >> >>On 16 Jun 98 02:27:08 GMT, "flarned" <flarned@jps.net> wrote: >> >>>I have p90 AST w/SCO unix 5.0.4.Eb trying to run Informix-online 7.23.UC6. >>>I have set up: MAXUMEM : 524287 >>> SEMMNI : 8192 >>> SEMMAP: 8192 >>> SEMMNU: 100 >>> >>>I can't find where to set up SEMMNS : 8192 and SEMMSL : 25 . >>>They are not in the menu - maybe some change to binary code?? >>>Having problems getting Informix to come up without setting these. >>>This is an educational version in my home and any assistance is >>>appreciated. >>>Thank You, flarned@jps.net >> >>Nils Myklebust >>NM Data AS >>Norway >>E-mail: Nils.Myklebust@nmdata.com >>FAQ at: http://www.iiug.org/techinfo/faq/faq_top.html >>(Now with ODBC info under "Third party products".) > >-- >David Williams > >Maintainer of the Informix FAQ > Primary site (Beta Version) http://www.smooth1.demon.co.uk > Official site http://www.iiug.org/techinfo/faq/faq_top.html > >I see you standin', Standin' on your own, It's such a lonely place for you, For >you to be If you need a shoulder, Or if you need a friend, I'll be here >standing, Until the bitter end... >So don't chastise me Or think I, I mean you harm... >All I ever wanted Was for you To know that I care Nils Myklebust NM Data AS Norway E-mail: Nils.Myklebust@nmdata.com FAQ at: http://www.iiug.org/techinfo/faq/faq_top.html (Now with ODBC info under "Third party products".)