need thoughts on raid/lvm performance

drobbins_at_drobbins.net
Date: 08/17/04 

Date: Tue, 17 Aug 2004 17:29:14 -0400

Hello All,

I find myself in the nice position of building a box with spare hardware
I've got two dual cpu mobo's, an Abit bp-6 and a vp-6
the vp-6 has faster cpu's but I'm having stability problems with it, but
that's another problem.
My question has to do with disk performance
I have 2 nice maxtor 80 gig drives with 8 meg of cache
pretty nice drives
both mobo's have 4 ide ports, the bp-6 has ata-66 ports, the vp6 has ata-100
the drives are new and can do ata-133
I'm not to concerned about redundency, I'm after performance
I can do either software raid with md-tools with level 0 striping, or use
what to me is the newly discovered lvm stuff which can do striping as well.
I'll probably play with both, but I was wondering if anybody has any
experience and can tell me what to expect
I can make the 2 drives the masters on their own ide ports, what else
(besides tweaking hdparm stuff) will give me the optimum throughput??

Ideas? Opinions?
Dave

Relevant Pages

  • Re: RAID question
    ... RAID 5 requires overhead to stripe. ... Adding another 3 drives will cost you less than another entire ... The striping is generally ...
    (comp.os.linux.misc)
  • Slow disk - hdparm, S.M.A.R.T, badblocks, what else?
    ... I'm trying to find out why my disk performance is so slow -- 150x worse ... than a comperable system -- and what I can do to improve it. ... many involving Maxtor drives of various models, ... Rules of Spam: #0: Spam is theft. ...
    (Debian-User)
  • Re: Striped Drive Problem
    ... Microsoft did not create the standard for striping, ... Files get lost and deleted whether or not you're running stripe sets. ... recovery on hard disks and get a quote from them, ... > holds true in regards to the other 3 good drives, ...
    (microsoft.public.windowsxp.security_admin)
  • Re: RAID question
    ... Why does it take just as much space to stripe 20g ... >> Is there something magical about striping with parity that I'm missing? ... As the number of drives approaches infinity the ...
    (alt.os.linux)
  • Reading deleted data sets in z?OS wasRe: Print disk map?
    ... Depending on the degree of fragmentation caused by the striping, ... drives, and the order. ... send email to listserv@xxxxxxxxxxx with the message: GET IBM-MAIN INFO ... Search the archives at http://bama.ua.edu/archives/ibm-main.html ...
    (bit.listserv.ibm-main)