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Linux Linux RAID

Resize Linux RAID (grow only)

by admin : November 23, 2017July 16, 2021 Linux, Linux RAID

My server was running 2x 1TB disks in a mirror, and I needed more space, so I purchased 2x 2TB disks. The following steps demonstrate how I expanded the RAID volume to 2TB without data loss. My RAID array /dev/md1 consisted of two RAID members, /dev/sdc and /dev/sdd. First step was to remove one of […]

Linux Linux RAID

Identify and replace a failed disk in Linux RAID

by admin : March 17, 2015May 5, 2020 Linux, Linux RAID

EDIT 05/05/2020 – I realised this guide is a little confusing so hopefully this is easier to follow. How Do I Tell If A Hard Disk Has Failed? If a disk has failed, you will probably find a lot of error messages in the log files, e.g. /var/log/messages or /var/log/syslog and if you set up […]

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