Re: Mirroring: Informix or AIX 4.1.5 -Reply
Posted in 1997
Topics: Performance & Tuning, Storage & Space Management, Platform-Specific Issues
Peter Tashkoff wrote: > > I guess it depends on what you call compelling. > If you want to implement PDQ and if you > want to be able to make table scans from both > ends of the table at once then you need to mirror in > Informix. This doesn't make sense.... to me. PDQ doesn't require mirroring, and what does scanning from both ends MEAN? > We have used Informix mirroring since Jan 1995. > in that time we have lost disks and chunks and the > database has just handled it in a most impressive > manner. Informix mirroring certainly works a treat, but hardware mirroring generally gives better performance. -- Mark. +------------------------------------------------------------------+ |Mark D. Stock - The West Solutions Group http://www.west.co.za | | The Informix FAQ is at http://www.iiug.org | |mailto:marks@west.co.za +-----------------------------------------+ |Tel: +27 11 803 2151 |If it doesn't work, force it! | |Fax: +27 11 803 2189 |If it breaks, it needed replacing anyway!| |Cell: +27 83 250 2325 |Well, that's how I code anyway! | +------------------------+-----------------------------------------+