Re: A DBA philosopical question

From: Bob Jones <email_at_me.not>
Date: Sat, 03 Dec 2005 17:20:33 GMT
Message-ID: <Btkkf.25496$dO2.17437@newssvr29.news.prodigy.net>

> RAID 5 has a performance penalty when writing; lots of
> Applications write...

I don't disagree with that.

> RAID 5 leaves you with an expensive trash can when a second drive
> goes bad. Any other RAID configuration would need the *mirror* drive
> to fail, not just *any*, as with RAID 5.

Not true, what about RAID 0, RAID3, RAID4 and others.

> Not an unlikely scenario,
> with storage solutions being bought at a certain point in time, it's
> quite likely one batch of disks is being deployed.
> If one goes, chances are high others go as well.

If that's the case, it won't do much good to use any kind of RAID. Received on Sat Dec 03 2005 - 11:20:33 CST