Re: Replacement RAID hard drives - do they have to be "clean"?
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Gary Dale wrote:
> On 16/09/14 03:03 PM, Ken Heard wrote:
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>> One of my boxes has a RAID1 using two Seagate SATA 3.0 1 tb hard drives.
>> I need to replace one of them, and I would like to use as a replacement
>> a Samsung SATA 2.0 1 tb drive which already has on it data which I do
>> not need to keep.
>>
>> My first question is: although both drives are the same size, can I get
>> away with having one drive a Seagate 3.0 and the other Samsung 2.0?
<snip>
> Any replacement drive has to be large enough to hold the RAID data. If
> your current RAID1 array is 3T, you cannot add a 2T drive to it without
> first shrinking the file system then the RAID array.
>
> You could however copy all the data to a new RAID1 array consisting of
> the 2T drive only, then add a 3T drive to it. The new array will again
> only hold 2T.
As it happens all of the drives involved are the same size, 1 tb; so I
would not have to deal with the problem you raise. What however is
different is the *type* of drive; one is SATA 2.0 and the other is 3.0.
Regards, Ken
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