So with the upstream e2fsprogs tarball, the user can still request metadata_csum by asking for it explicitly: mke2fs -t ext4 -O metadata_csum. So with my upstream maintainer hat, I deliberately decided not to enable it by default, and mentioned in the release notes that individual distributions should decide whether they wanted to enable it. One bit of context - metadata_csum is not enabled by default in the official upstream file. UpgradeStatus: No upgrade log present (probably fresh install) net/~daniel- thewatkins/ maas-images/ fix-yakkety- builds/ revision/ 305 ). It is known, that Dan Watkins disabled metadata_csum when creating ext4 filesystems ( see bazaar. The only one working solution was to scan from 16.10 live install media. User can not check and fix errors on ext4 filesystem because of lack of 'metadata_csum' option in previous LTS Ubuntu versions. User can check and fix errors on ext4 filesystem, created on Ubuntu 16.10. Try to do fsck -fy /dev/sdX1 from other supported Ubuntu distro. Download Ubuntu 16.10 installation media.ģ. Ubuntu 16.10 installer sets metadata_csum option on ext4 partition which is incompatible with other LTS Ubuntu versions (12.04 LTS, 14.04 LTS, 16.04 LTS).ġ.
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