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Re: [linux-lvm] More information on my LV with bad read performance..



On Fri, 26 Oct 2001, Andreas Dilger wrote:

> However, it is also possible that striping across 26 disks is kind of
> pointless, especially for Oracle.? You are far better off to do some
> intelligent allocation of the disks depending on known usage patterns
> (e.g. put tables and their indexes on separate disks, put rollback
> files on separate disks, put heavily used tables on their own disks,
> put temporary tablespaces on their own disks).

True. I have done that. This is a "let's see if it goes really fast with a
lot of disks" test. We have the disks divided up in stripe sets no bigger
than 8 typically, all separated out by function. I was just playing around
with a massive stripe, and ran into this oddity.




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