I've been using Linux Mint for about six months, but several times my system has become unusable after a download or package upgrade was interrupted by a crash or power outage. After rebooting, commands may return input/output errors, applications stop working, the system can freeze or go black, and sometimes the installation even disappears from the boot menu temporarily. Reinstalling Mint fixes everything, but the problem eventually returns. It has happened while downloading large Steam games and once during an apt upgrade. Memtest found no RAM problems, and the SSD is the only major component I haven't replaced. I've tried restoring Timeshift's default snapshots, but the underlying issue remained. What is the best way to create a backup that can restore the entire system, and what should I investigate to stop this corruption from happening?
4 Answers
For a full-system image, Clonezilla is a good option. Make an image of the whole disk or the relevant partitions and store it on a separate physical drive. Restore it from bootable media when necessary. Keep in mind that a full image only protects you if the backup drive is healthy and disconnected or otherwise protected from the same failure. It’s also worth keeping a recent copy of your personal files separately rather than relying only on a system image.
Timeshift is mainly for restoring system files and settings, not for backing up all of your personal data. Configure it to save snapshots on another drive, not merely another folder or partition on the same failing SSD. Keep a live Mint USB available so you can boot into it and restore a snapshot even when the installed system will not start. For documents and other important files, use a separate versioned backup tool or copy them to multiple locations.
A practical setup is a scheduled Timeshift snapshot for quick system rollback, a Clonezilla image before major upgrades, and regular file backups following the 3-2-1 approach: three copies, on two different types of storage, with one copy kept elsewhere or offline. Also avoid treating a power-cycle during apt upgrades as harmless; use a UPS or make sure the machine can shut down cleanly. If the disk is actually failing, no snapshot strategy will make the installation reliable until the hardware is replaced.
A download should never corrupt the entire operating system. At most, the downloaded file should be incomplete. Input/output errors, disappearing drives, and failures that get worse during large writes strongly suggest a storage problem, filesystem damage, an unreliable connection, or power instability. Check the SSD’s SMART data, run the manufacturer’s diagnostics, inspect system logs with tools such as dmesg and journalctl, and try a known-good drive or cable. Also consider a UPS if outages are common. Fixing the cause is more important than repeatedly restoring snapshots.
The SSD is the only part I haven’t replaced, so I’m going to test it carefully and try another drive. The failures do seem to happen during heavy writes, which makes the drive or power situation suspicious.