On Fri, Dec 21, 2018 at 06:13:26AM +0100, Simon Matter via CentOS wrote:
>
> I didn't see any issues with RAID. I think those problems arise only if
> you have old RAID devices created with older CentOS releases than 7. Those
> were probably created with 0.9 metadata version which may be a problem.
> Currently 1.2 metadata version is created and I didn't see any issues with
> it.
I just took a look at the md devices in my raid1, and it seems pretty
weird. they were all created by the installer (Anaconda) when I first
installed C7, yet 3 of them are 1.2 and one is 1.0.
# mdadm --detail /dev/md124
/dev/md124:
Version : 1.2
Creation Time : Wed Dec 2 23:13:09 2015
# mdadm --detail /dev/md125
/dev/md125:
Version : 1.2
Creation Time : Wed Dec 2 23:13:21 2015
# mdadm -D /dev/md126
/dev/md126:
Version : 1.2
Creation Time : Wed Dec 2 23:13:22 2015
# mdadm -D /dev/md127
/dev/md127:
Version : 1.0
Creation Time : Wed Dec 2 23:13:18 2015
--
---- Fred Smith -- fredex@xxxxxxxxxxxxxxxxxxxxxx ----------------------------
Do you not know? Have you not heard?
The LORD is the everlasting God, the Creator of the ends of the earth.
He will not grow tired or weary, and his understanding no one can fathom.
----------------------------- Isaiah 40:28 (niv) -----------------------------
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