Re: HELP - Hardware mirroring versus dbms mirroring

Cathy Kipp (ckipp@vth1.vth.colostate.edu) wrote: : Joe Lumbley writes: : -> : ->Hardware mirroring is usually best, as it's faster. Next is HP-UX. Last : ->comes OnLine mirroring. OnLine mirroring contains a little bit of logic : ->regarding how to handle chunks that are down, but with any luck the HPUX : ->or hardware mirroring will never let OnLine see that situation anyway. : Joe, :Not to disagree with an expert, but I think it's important to mention here that :while hardware mirroring may be faster with the OnLine engine, under the 6.0 : DSA engine, Informix miroring will offer some performance advantages. : Regards, : - Cathy Cathy, Disagreeing with me about mirroring is NOT disagreeing with an expert! :v) Especially about 6.0. What performance advantages do you know about in the Informix mirroring in 6.0? Joe (BTW, how's the editing?) -- =========================================================================== jlumbley@netcom.com (Joe Lumbley) Watch for my _INFORMIX DBA SURVIVAL GUIDE_ in Sept '94 from Prentice Hall! (Informix Press, ISBN 0-13-124314-4 to order: orders@prenhall.com Orders Phone: 515-284-6761 515-284-6751 fax 515-284-6707 )) ===========================================================================