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btrfs trim erases bootloader area
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From: |
Andrei Borzenkov |
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Subject: |
btrfs trim erases bootloader area |
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Date: |
Thu, 7 Jan 2016 22:11:43 +0300 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0 |
As discussed on opensuse-factory list, running fstrim on btrfs erases
bootloader area, rendering system unbootable. See
https://lists.opensuse.org/opensuse-factory/2016-01/msg00067.html
https://lists.opensuse.org/opensuse-factory/2016-01/msg00090.html
and follow-ups that demonstrate that beginning of device gets zeroed out.
Not sure what we can do, but from GRUB side I can only see disabling
embedding support on btrfs entirely.
- btrfs trim erases bootloader area,
Andrei Borzenkov <=