List:General Discussion« Previous MessageNext Message »
From:Michael Loftis Date:September 2 2003 4:10am
Subject:RE: RAID or not?
View as plain text  

--On Friday, August 22, 2003 1:21 PM -0400 "Lefevre, Steven" 
<SLefevre@stripped> wrote:

> "that is not true.  mirroring gives you double the read speed and half
> the write speed.  RAID5 gives you less than half the write speed."
> -------------
> OK, I see how it can give you double the read speed, but how can it give
> you have the write speed? Does it split the data between disks and then
> sync them later?

No.  You write 2x, remember. ;P  Your write speed, best case and assuming 
no other bottlenecks (say an IDE a drive sharing the same controller with 
another IDE drive, esp. in the same mirror set) will be only as fast as the 
slowest drive in write mode.


Thread
RAID or not?Jackson Miller21 Aug
  • Re: RAID or not?Jon Drukman21 Aug
    • Re: RAID or not?Jackson Miller21 Aug
      • RE: RAID or not?Steven) (Lefevre21 Aug
        • Re: RAID or not?David Griffiths21 Aug
        • Re: RAID or not?Per Andreas Buer21 Aug
        • Re: RAID or not?Jon Drukman22 Aug
          • Re: RAID or not?Dan Nelson22 Aug
          • RE: RAID or not?Steven) (Lefevre22 Aug
            • RE: RAID or not?Michael Loftis2 Sep
  • Re: RAID or not?Colbey21 Aug
  • Re: RAID or not?Per Andreas Buer21 Aug
RE: RAID or not?Alec.Cawley22 Aug
  • Re: RAID or not?Jim McAtee23 Aug
    • Re: RAID or not?Michael Loftis2 Sep
RE: RAID or not?Alec.Cawley22 Aug
Re: RAID or not?Alec.Cawley26 Aug