Michael Tokarev wrote: > > And -- Jorg de Jong, can you please strace the ts creation > process? I'm very interested on i/o buffer sizes used there. > .... > # strace -o trc -v -p 14344 ($PID of that process) > > [ sqlplus window ] > SQL> create tablespace ... ; > > [ other window ] > ^C > # _ > > Then examine `trc' file made by strace. I'm interested in: > 1) st_blksize of /dev/raw/rawNN device > 2) read/write sizes requested by oracle on that device. > I successfully created a tabelspace on a raw device. See the attachment... > And also try: > dd of=/dev/null if=/dev/raw/raw100 bs=512 > and the same with bs=1024 > (this will not destroy data) > (/dev/raw/raw100 bound to one of LVs). > [root] /tmp > dd of=/dev/null if=/dev/raw/raw1 bs=512 1024000+0 records in 1024000+0 records out [root] /tmp > dd of=/dev/null if=/dev/raw/raw1 bs=1024 512000+0 records in 512000+0 records out Also no problems here ! > If you successefully created the tablespace, then > either oracle uses only 1024*n i/o (my 8.1.6 uses 512 > sometimes) or your kernel allows to use 512 bytes... > > Thank you! > > Regards, > Michael. > _______________________________________________ > linux-lvm mailing list > linux-lvm sistina com > http://lists.sistina.com/mailman/listinfo/linux-lvm -- Jorg de Jong Work : mailto:jorg de jong ict nl Play : mailto:j e s de jong freeler nl
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