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db2 conf. on HP UX problem

HP UX 11i, db2 v8.2

kernel parameters of HPUX such as shmmax had been changed to MEM*0.9, about
3.6g.

when I create a partitioned db(4 partitions)on the server, warning raised
saying that not enough memory for bufferpool use. when I lower the user of
bufferpool to only 8000(8k page),error vanished.

4G memory in total, but it seems that I can only use very little of them.
the HP UX is 64bit, db2 instance is 32 bits.

can you help me on the very problem? thank you~~
Nov 12 '05 #1
2 1934
"Hardy" <We***********@acc.com> wrote in message
news:cs***********@mail.cn99.com...
HP UX 11i, db2 v8.2

kernel parameters of HPUX such as shmmax had been changed to MEM*0.9, about 3.6g.

when I create a partitioned db(4 partitions)on the server, warning raised
saying that not enough memory for bufferpool use. when I lower the user of
bufferpool to only 8000(8k page),error vanished.

4G memory in total, but it seems that I can only use very little of them.
the HP UX is 64bit, db2 instance is 32 bits.

can you help me on the very problem? thank you~~

You can only have about 1GB bufferpools for 32 bit DB2 instances on HP-UX.
This number varies by OS, and allows slightly more for AIX and Solaris. The
exact number seems to be a bit of voodoo.

I have no idea why you have to go to only 8000 8K pages however. I would
open a problem with IBM support.
Nov 12 '05 #2
en, I have open a PMR and I'll paste the final result when it's over. thank
you, Mark:)

"Mark A" <no****@nowhere.com> дÈëÓʼþ
news:Wv********************@comcast.com...
"Hardy" <We***********@acc.com> wrote in message
news:cs***********@mail.cn99.com...
HP UX 11i, db2 v8.2

kernel parameters of HPUX such as shmmax had been changed to MEM*0.9, about
3.6g.

when I create a partitioned db(4 partitions)on the server, warning raised saying that not enough memory for bufferpool use. when I lower the user of bufferpool to only 8000(8k page),error vanished.

4G memory in total, but it seems that I can only use very little of them. the HP UX is 64bit, db2 instance is 32 bits.

can you help me on the very problem? thank you~~

You can only have about 1GB bufferpools for 32 bit DB2 instances on HP-UX.
This number varies by OS, and allows slightly more for AIX and Solaris.

The exact number seems to be a bit of voodoo.

I have no idea why you have to go to only 8000 8K pages however. I would
open a problem with IBM support.

Nov 12 '05 #3

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