Re: Raw Disk still preferred for 11.5?

InDeep wrote: > Fernando, > > Great article you put out. Yet another great Informix feature, > DIRECT_IO. I would not have read about this other than your article. > Thanks, but DIRECT_IO is just IDS way of taking advantage of a concept that exists... > I'd still steer clear of raw disks unless they were somehow proven to > add value, otherwise, I find them somewhat extra work. I guess I'm > admitting I'm lazy, and DBA work is not the only thing I want to do. > I'd rather work with cooked simply because it accommodates my laziness. > *<8o) What you call "laziness" is in my view a perfectly good reason to not use RAW. For RAW allocation you need root access... For cooked files you don't. Also, RAW cause a lot of human errors... > > If you are on raw disks, remember, unless you are on a SAN that can > provide san-level replication and san-level recovery of lost data, you > will be limited to Informix utilities to restore data. This is > something I'm not sure I'd want to limit myself to unless raw is > something that is a proven value-add, and something you just can't live > without. I still think cooked is fine for 99% of the situations out > there on Linux--but hey I could be wrong. > As I wrote, on Linux, I would not use RAW. On other systems it's very arguable what is best. Your reason (depending on IDS utilities) doesn't convince me a bit... They're the only choice to guarantee availability and consistency... -- Fernando Nunes Portugal http://informix-technology.blogspot.com My email works... but I don't check it frequently...