Re: [squid-users] squid with linux or freeBSD?

On Thursday 01 May 2003 22.14, SSCR Internet Admin wrote:
> Hmmm if thats the case on raid software... so hardware raid is
> preferred than software... i just see hardware raid in action on a
> windows environment, the OS only sees one hard drive which is
> actually two hard drives... now will linux actually get raid up on
> hardware level without making any adjustments? Just askin...

Hardware raid virtually always outperforms software raid in
performance and reliability. hardware raid is usually less flexible
however..

Operating systems does not notice the raid of a hardware raid. To the
operating systems the raid set just looks lie a normal hard drive.
Hardware raid operates outside the operating system, providing raided
harddrives for the operating systems to use.

Side note: some software raid systems also supports journaling which
is a completely different aspect of filesystem I/O not related to
raid.

Regards
Henrik

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