Re: page header structure in 9.40

"Ruediger Papke" <ruediger.papke@t-online.de> wrote in message news:e103c1b.0404152319.730c0c6f@posting.google.com... > "Tsutomu Ogiwara" <tsutomu_ogiwara@hotmail.com> wrote in message news:<c5lvqe$kke$1@terabinaries.xmission.com>... > > Hi Ruediger, > > > > Just thought. > > Have you executed onmode -BC2 ? > > I 've executed: > onmode -BC 1 --> no difference in oncheck -pP > onmode -BC 2 --> no difference in oncheck -pP> Regards > Update the page and see if the format changes now.. > Ruediger > > > > -- > > Tsutomu Ogiwara from Tokyo Japan. > > ICQ#:168106592 > > > > > > >From: ruediger.papke@t-online.de (Ruediger Papke) > > >Reply-To: ruediger.papke@t-online.de (Ruediger Papke) > > >To: informix-list@iiug.org > > >Subject: page header structure in 9.40 > > >Date: 15 Apr 2004 03:24:26 -0700 > > > > > >Hi, > > > > > >what is the exact structure of the page header in 9.40 ? > > > > > >Versions < 9.40: > > >we have 24 byte for the header including 4 byte page address > > >(3 nibbles(12 bit) chunk#, 5 nibbles(20 bit) page_offset ) > > >pg_addr 4 Byte > > >pg_stamp 4 > > >pg_nslots 2 > > >pg_flags 2 > > >pg_frptr 2 > > >pg_frcnt 2 > > >pg_next 4 > > >pg_prev 4 > > > > > >Version 9.40: > > >I created a chunk larger 2 Gbyte > > >(more than 2**20 = 1.048.576 pages possible ) > > >oncheck -pP shows 24 Byte page header ( slot 1 starts at 24 )> > >where and how are chunk# and pageoffset stored or what is > > >missed in comparison to the old (9.30) format ??? > > > > > >TIA > > > > > >Ruediger Papke > > > > _________________________________________________________________ > > Add photos to your messages with MSN 8. Get 2 months FREE*. > > http://join.msn.com/?page=features/featuredemail > > > > sending to informix-list