[CentOS] Software RAID1 with CentOS-6.2

William Warren hescominsoon at emmanuelcomputerconsulting.com
Mon Mar 5 21:33:44 EST 2012


What's funny is WD is just being idiotic. Seagate does NOT have that 
extended error checking. I have two barracuda green drives in an sbs 2k8 
server on a sas 6 ir and they work perfectly.

On 2/29/2012 3:05 PM, m.roth at 5-cent.us wrote:
> Miguel Medalha wrote:
>> A few months ago I had an enormous amount of grief trying to understand
>> why a RAID array in a new server kept getting corrupted and suddenly
>> changing configuration. After a lot of despair and head scratching it
>> turned out to be the SATA cables. This was a rack server from Asus with
>> a SATA backplane. The cables, made by Foxconn, came pre-installed.
>>
>> After I replaced the SATA cables with new ones, all problems were gone
>> and the array is now rock solid.
> Thanks for this info, Miguel.
> <snip>
>> As an additional information, I quote from the Caviar Black range
>> datasheet:
>>
>> "Desktop / Consumer RAID Environments - WD Caviar Black Hard Drives are
>> tested and recommended for use in consumer-type RAID applications
>> (RAID-0 /RAID-1).
>> - Business Critical RAID Environments – WD Caviar Black Hard Drives are
>> not recommended for and are not warranted for use in RAID environments
>> utilizing Enterprise HBAs and/or expanders and in multi-bay chassis, as
>> they are not designed for, nor tested in, these specific types of RAID
>> applications. For all Business Critical RAID applications, please
>> consider WD’s Enterprise Hard Drives that are specifically designed with
>> RAID-specific, time-limited error recovery (TLER), are tested
>> extensively in 24x7 RAID applications, and include features like
>> enhanced RAFF technology and thermal extended burn-in testing."
> Wonderful... NOT. We've got a number of Caviar Green, so I looked up its
> datasheet... and it says the same.
>
> That rebuild of my system at home? I think I'll look at commercial grade
> drives....
>
>         mark
>
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