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Replacing a RAID1 disk with GPT partition table

linuxmdadmRAIDsgdisk

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by Bazyli Brzóska | March 6th, 2015 | Code & Security

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sgdisk -R <New_Disk> <Existing_Disk>

# Also set a new GUID on new drive after cloning the partition table

sgdisk -G <New_Disk>

# Add new partitions to RAID, for example:

mdadm --manage /dev/md0 --add /dev/sda1

mdadm --manage /dev/md1 --add /dev/sda2

mdadm --manage /dev/md2 --add /dev/sda3

References:

http://tecadmin.net/copy-a-gpt-partition-table-to-new-disk/

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Watch live progress of RAID1 recovery (script)

bashlive updatingmdadmprogressscript

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by Bazyli Brzóska | July 4th, 2014 | Code & Security

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while true; do

echo -en "33[s";

cat /proc/mdstat;

sleep 1;

echo -en "33[u";

done

References:

http://www.tldp.org/HOWTO/Bash-Prompt-HOWTO/x361.html

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Creating a degraded RAID1 with mdadm

http://www.zmonkey.org/blog/content/create-degraded-raid1-array