RE: page header structure in 9.40
Hi Ruediger,
Just thought.
Have you executed onmode -BC2 ?
--
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
_________________________________________________________________
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"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 -pPRegards
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