mount

Does mount always require root privileges?

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I was under the impression that any sort of call to mount requires root privileges. But recently I was told “You should instead create appropriate entries in /etc/fstab so that the filesystems can be mounted by unprivileged users”… which is counter to my experience using mount. Anytime I have used mount I have needed to … Read more

When mounting, when should I use a loop device?

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According to the following question:
What is a “loop device” when mounting?
A loop device is a file that acts as a block-based device. While I can understand that conceptually, how is this different from mounting any other file? For example, if I take a dd image of an ext2 filesystem and then mount it, I don’t have to use the loop option- mount -t ext2 file.dd /mnt/mount-point succeeds.

What mount option to use for ext3 file system to minimise data loss or corruption?

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I have an embedded setup using an initramfs for the root file system but using a custom ext3 partition mounted on a compact flash IDE drive. Because data integrity in the face of power loss is the most important factor in the entire setup, I have used the following options to mount (below is the entry from my /etc/fstab file

Mounting multiple devices at a single mount point on Linux

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Is there a way to mount multiple hard drives to a single mount point? Let’s say I run out of space on /home and decide to add an extra hard drive to the computer. How do I scale the space on a mount point? If I use RAID, can I add drives on the fly to increase space as I run out of them? Is there an alternative to using RAID if I am not interested in maintaining a high level of redundancy?