Please answer the question asked by Peasant about did you run:
Quote:
Originally Posted by Peasant
Lets just make this clear for the sake of argument.
So, you create a /dev/md0 from /dev/sdc /dev/sdb disks.
You mount it via mount command and add into /etc/fstab.
After reboot (all disks are inside), everything works as expected (mounted and healty).
You poweroff the box, and remove one of the disks from array.
Booting up everything is fine, except lacking one disk you removed.
After you poweroff and replug the drive, power on, there should be still one disk in the md setup. The one you didn't touch should still be part of md device.
Is this correct ?
Point being, if you unplug the drive, that drive is not considired part of array anymore.
When you plug it back, it will not magically rebuild, this has to be done by hand.
And of course, if you plug the other one out, and leave the first one in, you will not have a working md array.
Regards
Peasant.
You are right.
I added it to md0 manually, thats not a problem. Problem is why my data from /mnt/raid is not accessible and i cant read it when i unplug one of the 2 devices?
Thats strange from me, i cant figure out.
I added a folder in array in which i have mounted /dev/md0.
so i have a folder
/mnt/raid/test
and inside test some files.
I cant access it and all is fine. When I unplug disk when machine is running(or not, its the same result), i cant read from that test folder.
Input output error gives me.
But when I unplug another disk, it is working just fine.
Thats what bothers me.
Idea behind all this is to have a shared folder and prevention of data loss. If that disk fails i cannot access to that files. Thats the problem
Last edited by tomislav91; 08-31-2018 at 10:12 AM..
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