Re: Array created by mdadm 3.2 & 3.3 have different array size
From: Stan Hoeppner <hidden>
Date: 2014-03-27 05:52:06
On 3/26/2014 9:44 PM, Tide wrote:
Stan Hoeppner <stan <at> hardwarefreak.com> writes:quoted
On 3/26/2014 3:00 PM, Tide wrote: ...quoted
================= Array 2 (RAID 6): ================= # mdadm --examine /dev/sdb1...quoted
Raid Level : raid6 Raid Devices : 5...quoted
Bad Block Log : 512 entries available at offset 72 sectorsThe RAID6 array has sectors on each drive reserved for bad block reassignment. The RAID5 array does not. This is the answer to your mystery.
"The RAID6/RAID5 array", do you mean my RAID array (just this instance), or you mean "all RAID6/RAID5 arrays created by mdadm" ?
My reply above is unambiguous. I quoted your array data and gave an answer that applies to your provided array data. WRT your other questions, I do not have time to research the answer to those, and wouldn't spend it on that if I did. I have never used CentOS nor Fedora, and don't plan to ever use either. For those answers, either wait for someone to answer, or research it yourself. Cheers, Stan