[SATLUG] raid questions

Ernest De Leon edeleonjr at gmail.com
Sat Jan 12 17:07:48 CST 2008


that is suppose to be wouldn't when referring to damaging disks...you are
NOT damaging them

On Jan 12, 2008 3:06 PM, Ernest De Leon <edeleonjr at gmail.com> wrote:

> With only two drives, you are directly causing disk contention issues (for
> the RAID 0 set)  Whatever gain you would have seen from having RAID 0 is
> negated because the RAID 1 is slowing the disk set down to it's own
> performance level.  I would go so far as to say that you are 'damaging' your
> disks, you are just negating any type of performance boost you would
> otherwise have gotten.  After reading that post, going under the assumption
> that you will not be able to get a 3rd disk to make a RAID 5, and that you
> do have *some* data that you value and do not want to lose being stored on
> these disks, I would go with a RAID 1 for the entire disk.  Unfortunately,
> with only two disks, there is no way to get extreme performance AND
> redundancy at the same time.  You can also consider making one disk the
> system disk and the other a data disk.  This would give you a *slight*
> performance boost because the OS would not be waiting for information during
> a data read/write, but this also negates any type of redundancy.  If it were
> me, I would just go pure RAID 1 until I could get another disk in the array.
>
>
> Ernest
>
>
> On Jan 12, 2008 2:46 PM, Chris Lemire <good_bye300 at yahoo.com> wrote:
>
> > I'm being told that my raid setup is a bad idea. Is this true?
> >
> > http://forums.fedoraforum.org/showthread.php?p=941593#post941592
> >
> > --
> > Christopher Lemire <christopher.lemire at gmail.com>
> > --
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>
>
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-- 
They who can give up essential liberty to obtain a little temporary safety
deserve neither liberty nor safety.  - A common 18th Century sentiment
voiced by Benjamin Franklin

Join the Ron Paul Revolution - Taking America Back
http://www.prezronpaul.com


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