[colug-432] md (linux drive mirroring)

[Judd Montgomery]

I don't know.  Maybe its because I didn't have them mounted?  When I
played with it a year or so ago I know I did these tests while I was
writing to them and verified the data got written correctly.

I have some spare drives laying around and I can test things for you.

https://lxadm.com/Md0_:_active_(auto-read-only)_in_/proc/mdadm

Judd

On 8/21/19 6:54 PM, Jeff Frontz wrote:
> Thanks for taking the risk ;-)
>
>  Is the "auto-read-only" a default reaction or is that how you've
> configured md to to behave on a failure?
>
>
>
> On Wed, Aug 21, 2019 at 6:17 PM Judd Montgomery <judd at engineer.com
> <mailto:judd at engineer.com>> wrote:
>
>     Just for you I pulled a powered up drive out of the USB dock and
>     risked my data.
>
>     ...
>
>     md124 : active (auto-read-only) raid10 sdc2[6] sdd2[7]
>           1953251328 blocks super 1.2 512K chunks 2 near-copies [4/2]
>     [U_U_]
>           bitmap: 0/15 pages [0KB], 65536KB chunk
>
>     md125 : active (auto-read-only) raid10 sdd1[5] sdc1[4]
>           1953251328 blocks super 1.2 512K chunks 2 near-copies [4/2]
>     [U_U_]
>           bitmap: 0/15 pages [0KB], 65536KB chunk
>
>
>
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