Re: Element Size - RAID 10 SAN
Depending on your hardware/software and the over all sizes of the arrays you are dealing within this may not be an option. On 11/20/06, Aleksander <aleksander@krediidiinfo.ee> wrote: > Hi, > > Art S. Kagel wrote: > > For a 2K > > pagesize I like 16 or 32K blocks and I think that would work for 4K & 8K > > pagesizes just as well if not better. > > That's interesting. We're using RAID 1+0 SAN too, informix pagesize 2K > and the current stripe size is a whopping 128 KB. How much would > decreasing it to 16 or 32 KB theoretically help? Is it worth a try to > change it? > > Thanks, > Alex > _______________________________________________ > Informix-list mailing list > Informix-list@iiug.org > http://www.iiug.org/mailman/listinfo/informix-list >
Eric Rowell wrote: > Depending on your hardware/software and the over all sizes of the > arrays you are dealing within this may not be an option. True, but if you DO have the option, you have to know to take it. Art S. Kagel > On 11/20/06, Aleksander <aleksander@krediidiinfo.ee> wrote: > >> Hi, >> >> Art S. Kagel wrote: >> > For a 2K >> > pagesize I like 16 or 32K blocks and I think that would work for 4K >> & 8K >> > pagesizes just as well if not better. >> >> That's interesting. We're using RAID 1+0 SAN too, informix pagesize 2K >> and the current stripe size is a whopping 128 KB. How much would >> decreasing it to 16 or 32 KB theoretically help? Is it worth a try to >> change it? >> >> Thanks, >> Alex >> _______________________________________________ >> Informix-list mailing list >> Informix-list@iiug.org >> http://www.iiug.org/mailman/listinfo/informix-list >>
Eric Rowell wrote: > Depending on your hardware/software and the over all sizes of the > arrays you are dealing within this may not be an option. True, but if you DO have the option, you have to know to take it. Art S. Kagel > On 11/20/06, Aleksander <aleksander@krediidiinfo.ee> wrote: > >> Hi, >> >> Art S. Kagel wrote: >> > For a 2K >> > pagesize I like 16 or 32K blocks and I think that would work for 4K >> & 8K >> > pagesizes just as well if not better. >> >> That's interesting. We're using RAID 1+0 SAN too, informix pagesize 2K >> and the current stripe size is a whopping 128 KB. How much would >> decreasing it to 16 or 32 KB theoretically help? Is it worth a try to >> change it? >> >> Thanks, >> Alex >> _______________________________________________ >> Informix-list mailing list >> Informix-list@iiug.org >> http://www.iiug.org/mailman/listinfo/informix-list >>