Re: A DBA philosopical question

From: Sybrand Bakker <postbus_at_sybrandb.demon.nl>
Date: Fri, 02 Dec 2005 07:12:18 +0100
Message-ID: <dcpvo1p30dvk8fcqbacnpgf7s6ru1vhgb2@4ax.com>

On Fri, 02 Dec 2005 02:00:48 GMT, "Bob Jones" <email_at_me.not> wrote:

><jared.hecker_at_gmail.com> wrote in message
>news:1133466649.707467.142860_at_g43g2000cwa.googlegroups.com...
>>I am consulting at an all-Windows shop, running mostly 9.2.0.3 -
>> 9.2.0.6 under Windows 2003 Server. The one no-no I've encountered so
>> far is that their SAN array is all RAID 5. As they have grown by
>> acquisition, this is an old, old StorageTek unit that supposedly does
>> not support RAID 1,0.
>>
>
>What's wrong with using RAID 5?

You still don't know? How about the penalty associated with writes, because of calculating and writing a checksum to disk?

--
Sybrand Bakker, Senior Oracle DBA

Received on Fri Dec 02 2005 - 00:12:18 CST