Re: Two-disk RAID5?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, May 04, 2006 at 09:18:57PM -0400, Bill Davidsen wrote:
> Erik Mouw wrote:
> >No, the other way around: RAID1 is a special case of RAID5.
> >
> No it isn't. If you have N drives in RAID1 you have N independent copies 
> of the data and no parity, there's just no corresponding thing in RAID5, 
> which has one copy of the data, plus parity. There is no special case, 
> it just doesn't work that way. Set N>2 and report back.

Just write out the formulas and it becomes obvious.

> Sorry, I couldn't find a diplomatic way to say you're completely wrong.

I guess we have to agree to disagree.


Erik

-- 
+-- Erik Mouw -- www.harddisk-recovery.com -- +31 70 370 12 90 --
| Lab address: Delftechpark 26, 2628 XH, Delft, The Netherlands
-
To unsubscribe from this list: send the line "unsubscribe linux-raid" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux RAID Wiki]     [ATA RAID]     [Linux SCSI Target Infrastructure]     [Linux Block]     [Linux IDE]     [Linux SCSI]     [Linux Hams]     [Device Mapper]     [Device Mapper Cryptographics]     [Kernel]     [Linux Admin]     [Linux Net]     [GFS]     [RPM]     [git]     [Yosemite Forum]


  Powered by Linux