All,
After looking at the output of /proc/mdstat many times, there is one 'human
factors' (human nature) bit of difficulty with the order of the output
(especially with a standard 2-disk raid1 array and 1.2 superblock:
md1 : active raid1 sda7[2] sdb7[1]
52396032 blocks super 1.2 [2/2] [UU]
^^^^^^^^^
When scanning the information quickly to insure you do NOT have 1/2 disks
active in the array, you run into the version and disk information side-by-side.
"1.2 [2/2]"
Which naturally causes a short "huh?..., OK" double-take.
Is there any way from a user standpoint (short of "read a b c d e f"; echo
"$c $d $a $b $e $f"), to rearrange the order the information is reported as:
md1 : active raid1 sda7[2] sdb7[1]
super 1.2 52396032 blocks [2/2] [UU]
That simple change makes glancing down the right-side of the information much
easier on the brain....
I don't think this was ever a concern prior to the 1.2 superbock and I'm not
sure it warrants any brainpower now. However, it was something that stood out to
me, so I thought I would pass it along.
--
David C. Rankin, J.D.,P.E.
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