Re: Array created by mdadm 3.2 & 3.3 have different array size, why?
From: Stan Hoeppner <hidden>
Date: 2014-03-26 21:14:47
On 3/26/2014 3:00 PM, Tide wrote: ...
================= Array 2 (RAID 6): ================= # mdadm --examine /dev/sdb1
...
Raid Level : raid6 Raid Devices : 5
...
Bad Block Log : 512 entries available at offset 72 sectors
The RAID6 array has sectors on each drive reserved for bad block reassignment. The RAID5 array does not. This is the answer to your mystery. Cheers, Stan