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I was trying to copy the /tmp to another disk (Ubuntu 14.04 server), however after doing so, any command that I typed to the shell started to throw errors.

I tried to reboot it, but now it just hangs up and loops:

mdadm: create user root not found

mdadm: create group disk not found

Next thing I tried was to boot on a live cd, and run: mdadm --assemble --scan

The output was:

ARRAY /dev/md/0 metadata=1.2 UUID=c4f7c00d:57106a47:ace61dec:4e01a0cc name=bufwin01:0spares=2

ARRAY /dev/md/1 metadata=1.2 UUID=0c155fbf:784b8bf0:400872ef:9082a3d8 name=bufwin01:1

After that, I run lsblk and here is the output: http://hastebin.com/qocoqonatu.1c

At this point, md1p3 and md0p1 are mounted and I can see them, and I know md1p2 is the / , md0p1 is the boot, and md1p1 is the swap , however I can't find any way to at least mount the md1p2 to check the files.

Is there maybe anything wrong with mdadm and it can't read that one correctly? I don't see how a copy of /tmp would cause all this trouble..

chicks
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John Mperis
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1 Answers1

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Probably the root file system got corrupted somehow. I'd recommend to backup the raw contents of /dev/md1p2 somewhere and try "fsck -y /dev/md1p2". However, if the corruption is major it may not help. If you have a fresh backup restore from that.

lav
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