On 10/24/2014 01:36 AM, Ken D'Ambrosio wrote:
> On my first big RAID -- 160 GB disks off a 3Ware RAID controller --
> one of them died.  I RMA'd it with the vendor (Seagate?), and got
> back *THE SAME MODEL*.  And it was one cylinder smaller than all the
> others.

Ouch. I messed up the link on this topic. Here is the fix:
  https://raid.wiki.kernel.org/index.php/Partition_Types

Quoting:

> Your editor prefers to use partitions that are slightly smaller than
> a device. This allows:
> 
> the device has a partition table - no 'partition table not found' 
> replacement disks even of the same model are often slightly smaller
> and making the partition 100Mb smaller than the device allows some
> tolerance. no performance impact
> 
> Neil, the md/mdadm author, uses whole disks.

So I wonder how "Neil" deals with this issue?

-- 
Anthony Carrico

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