[CentOS] Software RAID1 Drives
m.roth at 5-cent.us
m.roth at 5-cent.us
Wed Oct 7 22:30:51 UTC 2015
John R Pierce wrote:
> On 10/7/2015 3:14 PM, Matt wrote:
>> I have 3 4TB WD drives I want to put in a RAID1 array.
>>
>> Two WD4000FYYZ
>>
>> and
>>
>> One WD4000F9YZ
>>
>> All enterprise class but two are WD Re and one is WD Se. I ordered
>> the first two thinking 2 drives in the raid array would be sufficient
>> but later decided its a long drive to the server so I would rather
>> have 3 drives and ordered a third in accidentally did not get EXACT
>> same thing. Would there be ANY issues mixing these?
>
> using Linux MDRAID ? they'll probably be fine. they are all 7200rpm
> drives so should have quite similar performance. main difference is the
> MTBE spec
It's "enterprise" grade, where the two reds are "NAS-ready". In either
case, the TLER should be 7 sec, so it should work. The ones to watch out
for are the desktop grade, like the green (bleah!!!), which have a TLER of
something like 2 MINUTES. That will *not* work in a server....
mark "why, yes, we did try them"
More information about the CentOS
mailing list