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mdadm sending ioctl 1261 to a partition!

mdadm sending ioctl 1261 to a partition!  and probably failing of one HDD drive If you get this message in linux mdadm config. Then you need to check mdadm settings with the following command: cat /proc/mdstat If you got cat   /proc/mdstat Personalities : [raid1] md2 : active raid1 sda3[0]       935745400 blocks super 1.2 […]

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Create a username in linux with home directory

useradd -b /home/username/ -d /home/username  -p yourpassword -m username

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