[mythtv-users] OT: help selecting drives for server

[John Drescher]

On Mon, May 18, 2009 at 1:37 PM, David Brodbeck <gull at gull.us> wrote:
> On Mon, May 18, 2009 10:28 am, Brian Wood wrote:
>> I'd be curious as to why WD doesn't suggest using the cheaper drives for
>> RAID
>> systems, other than the obvious fact that most RAID systems are used in
>> enterprise systems where the user can afford to pay more.
>
> My understanding -- which may be incorrect -- is that the RAID drives
> won't try as hard to recover bad sectors.  A large number of retries is
> desirable in a standalone drive, but can cause a drive to time out and be
> kicked out of a RAID array.  In a RAID situation it's better to just fail
> the sector and move on, since the controller will recover the data using
> the other drives.
>

However how many bad sectors do we see in 2009? I mean with the 100+
drives I have spinning at work, they have a total of less than 30 bad
sectors combined. That is if I believe what smart is telling me..

John