[Bug 988542] Re: TRIM support cannot be enabled during install

[Mark Shuttleworth]

This should be the default behaviour in the standard install.

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https://bugs.launchpad.net/bugs/988542

Title:
  TRIM support cannot be enabled during install

Status in “debian-installer” package in Ubuntu:
  Confirmed

Bug description:
  Can we get the installer in the Alternate ISO to probe for an SSD
  device (hdparm) and prompt the user if they want TRIM enabled?  To my
  knowledge, this involves the following effective changes:

  1. Add the 'discard' mount options for the LVM logical volume
  (/etc/fstab).

  2. Add the 'discard' parameter to the cryptdevice options to make LUKS
  accept the discard behaviour of the LVM logical volume
  (/etc/crypttab).

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