Thread: Re: harddisk configuration

Goboxe wrote:
> Hi,
>
> I just receive a new server with 5 x 73GB SAS harddisk.
> I tried to maximize the total usable space when configure using RAID
> 5.
>
> What I plan to do to configure all the 5 harddisks using RAID 5.
> Windows operating system also will be installed the same RAID 5 ( I
> going to have c: & d: drives)
>
> Is there any pro & cons when I using the above config?
>
> Thanks,
> G

Raid 5 is slow.  I thought the dedicated hardware I had would do the
checksums so fast and that raid 5 would be faster than raid 10 (since io
is spread over more disks) but it turned out not to be the case.  I'd
used raid 10 if I were you.

On Fri, Oct 31, 2008 at 1:21 PM, Joseph S <jks@selectacast.net> wrote:
> Goboxe wrote:
>>
>> Hi,
>>
>> I just receive a new server with 5 x 73GB SAS harddisk.
>> I tried to maximize the total usable space when configure using RAID
>> 5.
>>
>> What I plan to do to configure all the 5 harddisks using RAID 5.
>> Windows operating system also will be installed the same RAID 5 ( I
>> going to have c: & d: drives)
>>
>> Is there any pro & cons when I using the above config?
>
> Raid 5 is slow.  I thought the dedicated hardware I had would do the
> checksums so fast and that raid 5 would be faster than raid 10 (since io is
> spread over more disks) but it turned out not to be the case.  I'd used raid
> 10 if I were you.

This++

Setup a 4 disk RAID10 with a hot spare.