** Changed in: ubuntu-z-systems
Status: Fix Released => In Progress
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https://bugs.launchpad.net/bugs/1776626
Title:
[18.10 FEAT] Support 4k sectors for fast clear key dm-crypt - crypttab
part
Status in Ubuntu on IBM z Systems:
In Progress
Status in cryptsetup package in Ubuntu:
Fix Released
Status in systemd package in Ubuntu:
Fix Released
Status in cryptsetup source package in Bionic:
New
Status in systemd source package in Bionic:
Fix Committed
Bug description:
[Impact]
* cryptsetup in bionic supports creating luks volumes with a non-
standard sector-size option, and thus this option also needs to be
used when activating the LUKS volumes. Add sector-size= option support
to /etc/crypttab.
[Test Case]
* Create a plain LUKS volume with sector-size 4096
* Specify sector-size=4096 option in /etc/crypttab
* reload systemd, start systemd-cryptsetup@.service for that volume
* check the journal, to ensure that `sector-size` option was recognized and
is active. (i.e. there is not error messages about unrecognized option
`sector-size` from systemd-cryptsetup)
[Regression Potential]
* This is an optional argument, not used by default. Currently custom
sector-size crypttab does not work correctly, and thus cannot regress.
[Other Info]
* Original bug report
Support fast clear key dm-crypt with 4k support
Extend /etc/crypttab to enable 4k sector support in plain mode
The proposed enhancements are posted on github, see
https://github.com/systemd/systemd/issues/8881
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