[Bug 864051] Re: TRIM support not enabled for SSDs

Mark East 864051 at bugs.launchpad.net
Tue Jul 24 11:02:48 UTC 2012


I researched it about a year ago now for work and the kernel should
probe the hardware to see if it supports TRIM. If it doesn't then it
won't use it. It shouldn't cause any problems for people. If anyone
knows differently then let me know.

I've run disks with the discard option on normal rotational disks
without issue.

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https://bugs.launchpad.net/bugs/864051

Title:
  TRIM support not enabled for SSDs

Status in “partman-target” package in Ubuntu:
  Confirmed

Bug description:
  When creating the fstab, the discard option is not activated for SSDs
  with TRIM support. But for performance reasons, it would be very
  important to be activated.

  1) lsb_release -rd
  Description:	Ubuntu oneiric (development branch)
  Release:	11.10

  2) apt-cache policy partman-target
  N: Unable to locate package partman-target

  3) What you expected to happen
  Partitions on disk devices with TRIM support entered in fstab with the 'discard' mount option

  4) What happened instead
  Partitions on disk devices are always entered without the 'discard' option in fstab

  I hope this is the right package; I found no other package generating
  the fstab.

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