topic Re: maxdsiz in Operating System - HP-UX

maxdsiz

Carlos Munoz Lopez — Tue, 13 Apr 2004 09:22:16 GMT

Hi guys. I need to modify the value for maxdsiz on two servers, but I was wondering if it's necessary to reboot the system once the change is made. I'm not completely sure about this and the problem is the a production database is running on these servers. I was checking some information but I couldn't find anything related to this. I would like some help. Thanks.

Re: maxdsiz

Bryan D. Quinn — Tue, 13 Apr 2004 09:25:32 GMT

Hello,

Yes this will require a reboot to build a new kernel with the new maxdsiz.

Hope this helps!
-Bryan

Re: maxdsiz

Pete Randall — Tue, 13 Apr 2004 09:25:35 GMT

Carlos,

Unfortunately, maxdsiz is not dynamically tuneable. You'll need to change the paramater, rebuild the kernel and reboot in order to have it take effect.

Pete

Re: maxdsiz

Robert-Jan Goossens — Tue, 13 Apr 2004 09:28:19 GMT

Carlos,

If you use sam to change the parameter, you will get the warning to reboot your server inmediatly.

The change in the kernel will only effect after a reboot.

Regards,
Robert-Jan

Re: maxdsiz

Bryan D. Quinn — Tue, 13 Apr 2004 09:28:20 GMT

Clarificatioin...

Sorry about that, my wording was incorrect. You will have to boot the system off of the newly built kernel. So yes, it does require a reboot.

-Bryan

Re: maxdsiz

Carlos Munoz Lopez — Tue, 13 Apr 2004 09:28:42 GMT

Thanks a lot guys. I appreciate your quick response. Bye.

Re: maxdsiz

A. Clay Stephenson — Tue, 13 Apr 2004 09:29:57 GMT

For any value in question use kmtune (for 11.x and up).

e.g.
kmtune -l -q maxdsiz

This will tell you if the tunables is dynamic or not; if it is dynamic then no reboot is needed. Alas, maxdsiz is not dynamic so a kernel rebuild and reboot will be needed.

Re: maxdsiz

Don Morris_1 — Tue, 13 Apr 2004 11:47:11 GMT

Well, maxdsiz *is* dynamic on 11i v1.6 and later (11.22). Just fyi given all the above. :)