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

[Clemens Schwaighofer <cs@tequila.co.jp>]

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Anders Karlsson wrote:

> On Mon, 2003-05-12 at 09:40, Clemens Schwaighofer wrote:
 >
> I think it depends greatly on your needs. For small companies running
> commercial unices, this might be the best solution based upon need and
> cost. For even smaller outfits running Linux, the snapshot feature in
> Linux LVM will do the job.

well, for private yes, but even as a small company I would invest in a
rother more solid hardware RAID system than into software. I saw so many
horrible data losses due software raid or IDE HDs (which where in a
external hardware box actually), that I don't trust this much anymore.

> Then there is the issue of people that are just simple ultra-paranoid
> about their data or where the 2nd copy is in fact off-site (using SCSI
> extenders).

well I always had a hot spare HD in my boxes because I was a bit
ultra-paranoid, actually I became ultra-paranoid :)

>>I can only image a Hotspare Disc, thats all.

> In the tradition of Unix, there are more than one way to skin a cat. ;-)

there is for Software, but when it comes to Hardware security, I trust
in real RAID (unless it is private adventures)

- --
Clemens Schwaighofer - IT Engineer & System Administration
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Tequila Japan, 6-17-2 Ginza Chuo-ku, Tokyo 104-8167, JAPAN
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