Re: Informix 7.X and RAID 5

In article <3melq4$26l2@nntp4.mindspring.com>, ekelley@mindspring.com says... > >robbieb@crl.com (Robbie Bailey) wrote: > >>I have some confusing info indicating that RAID 5 is not suggested/supported >>in 7.X? > >>Anyone have some insights? > >>Rb. > >I am currently running INFORMIX 7.1 on an AT&T GIS 3555 with a RAID 5 >configuration of 250 GB disk space. The system runs extremely well and >I get tremendous thruput in comparision to INFORMIX 6.0. The main >factor in this is the use of the DS capabiliy in 7.1. Although my disk >writes are slower than I would like (due to RAID 5), the added comfort >of using a RAID 5 more than makes up for this. About the only thing I >can't really take advantage of in 7.1 is the table paritioning due to >the fact that my data is already striped via RAID 5. I can howver, >seperate my data and index spaces and get some more preformance thru >that. > > >Ed Kelley, Senior Specialist >AT&T Network Systems - CIO >Email: ekelley@mindspring.com or ekelley@attmail.att.com >WEB page: http://www.mindspring.com/~ekelley/html/ekelley.htm > I am running Raid zero on a SunStorage disk array and carrying out my own mirroring internally in Informix so that my DSS queries can do simultananeous multithreaded scans from both ends of the data. If I took advantage of the RAID striping I wouldn't be able to do this. maybe this is what your info was indicating.