Re: Informix on RAID-5

Koen.VanderElst@ping.be (Koen Van der Elst) writes: >On Wed, 10 Jul 1996 10:38:52 -0400, "Chao Y. Din" <cdin@csc.com> >wrote: >> >>I disagree! We are currently using RAID-5 with 60 GB hard disk from Sun and two of such servers are in >>production since June 3rd. There are many other servers which are not in production yet. So I will >>only address the two servers that are in production. >> >>We did not do fragmentation at all. Yet we have about 40 temps, two shifts. We are considering to add >>another shift. The performance monitoring tool we used (SymBEL) complaint a lot about CPU overload, >>slow internal hard disk. But it never complaint about the disk array. >> >RAID 5 will slow down your write-to-disk times on most Disk Arrays or >Logical Volume systems. >Koen They've engineered those performance problems out with the RAID 7 level. M Willett Storage Computer http://www.storage.com/