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Everything old is new again. I posted a Docker issue about the default storage driver (DeviceMapper) not correctly freeing unused space nearly three years ago:
by AaronFriel 10y ago
Everything old is new again. I posted a Docker issue about the default storage driver (DeviceMapper) not correctly freeing unused space nearly three years ago: https://github.com/docker/docker/issues/3182 https://github.com/docker/docker/issues/3182
From what I can tell, that issue was never truly resolved. The advice is like the adage about finding romance, "Have enough storage, don't run out of storage." As long as you follow that advice, you will never have a problem.
Oh, you installed Docker on a cloud provider with limited local disk, or on your laptop? Silly you for thinking that a finite amount of storage and the default configuration of Docker was adequate.
- jsiepkes 10y agoSame here. I've also bumped into various storage issues with docker. Really drove me mad a couple of times... And like parent stated, the Docker docs about these issues reminded me of the XFS faq. Which stated about data loss for unclean shutdown (powerloss, panic): "If you know it hurts don't do it". In the end docker is just not as robust as for example SmartOS / Triton with ZFS.