Linux · Partitioning, LVM & RAID

You cat /proc/mdstat and see [UU]. What does that indicate, and which config file lists all active arrays?

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More in Partitioning, LVM & RAID

You need to repartition a disk after Linux is already installed and prefer a graphical tool. Which tool do you reach for, and what runs underneath it?

Two partition-table schemes exist on modern disks. Which one is standard on internal SSDs and hard disks today, and roughly when did it take over?

A colleague plans to put an MBR partition table on a new 4 TB hard disk. What goes wrong, and what is the hard ceiling on MBR-managed disk size?

On an MBR disk you already have four partitions but need a fifth. Why can't you just add another primary partition, and what is the workaround?

How does GPT's partition model differ from MBR's primary/extended/logical structure, and how large can a single GPT partition be?

Your SSD is sold as 1 TB but Linux reports about 931 GiB. Where did the missing capacity go?

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