Re: [OT] Two RAID1 mirrors are faster than three

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On Mon, 12 May 2003 15:20:34 +0400, Paul P Komkoff Jr <[e-mail]>  said:
> Replying to Anders Karlsson:
> > I think it depends greatly on your needs. For small companies running
> > commercial unices, this might be the best solution based upon need and
> 
> As for commercial market veritas vxfs doing snapshots for ages :)

a) vxfs isn't free.
b) vxfs may not be available on the platform required by the application.
c) If you've already *got* platform A that doesn't have vxfs, you will probably
think *really* hard about migrating - there's the costs of buying the hardware,
software, and liveware....

> There are more efficient and less efficient ways ...

And often, a lot of inefficiency is overlooked. The cost of buying a new server
from another vendor, buying new licenses for all the software, installing it
all, arranging maintenance contracts, getting sysadmins with a clue regarding
the new system, and all the rest of the costs of a conversion can *easily*
outweigh any "less efficient" ways.

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