On Sunday, 11 November 2001 at 9:33:56 +0100, S�ren Schmidt wrote: > It seems Mike Smith wrote: >>> Agreed. I don't think the RAIDs will have the same parameters. Most >>> of these cheap controllers have fairly simplistic algorithms. Note >>> that I said "guess", though. In my language, that means "don't know >>> for sure". I'd really like to see some objective benchmarks. >> >> Er. >> >> These "cheap controllers" don't have any algorithms at all to speak of; >> they're just ATA controllers with BIOS code that supposedly understands >> striping/mirroring. > > There is no algorithm to speak of involved with striping, and just > a little more in mirroring in the error case, but anyways..
Well, there are questions of stripe size and whether you read entire stripes or just the part you want. >> The "algorithms" are in the 'ar' driver, which should really just be a >> vinum shim. > > Well, the way vinum is implemented that wont work unfortunately. Details? Greg -- See complete headers for address and phone numbers To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message

