[Bug 1776626] Re: [18.10 FEAT] Support 4k sectors for fast clear key dm-crypt - crypttab part

[Dimitri John Ledkov]

Note that there is no UI to set sector-size in the installer, and the
installer does not generate sector-size option in the crypttab either. I
kind of wish sector-size could just be autodetected, and e.g. used by
default on 4k native drives. But I'll check if this option can be added
to partman-crypto.

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Title:
  [18.10 FEAT] Support 4k sectors for fast clear key dm-crypt - crypttab
  part

Status in Ubuntu on IBM z Systems:
  Fix Released
Status in cryptsetup package in Ubuntu:
  Fix Released
Status in systemd package in Ubuntu:
  Fix Released

Bug description:
  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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