how to enable trim for an external encrypted SSD?

From	Joerg Desch <news@jdesch.de>
Newsgroups	linux.debian.user
Subject	how to enable trim for an external encrypted SSD?
Date	2017-11-06 13:10 +0100
Message-ID	<uIOo1-2L5-5@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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Normally I would enable TRIM support in the /etc/fstab or the /etc/
crypttab by add the discard option.

Now I have bought a SanDisk Extreme Portable SSD. My goal is to add a LUKS 
encrypted partition without an explicit fstab entry. I've done this with 
some USB thumbdrives before, but not with TRIM support. The drvie should 
be plugged into any Linux device without the need to change the 
configuration.

What is the correct way to add TRIM support to an external SSD with LUKS 
encrypted partition?

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how to enable trim for an external encrypted SSD? Joerg Desch <news@jdesch.de> - 2017-11-06 13:10 +0100
  Re: how to enable trim for an external encrypted SSD? Christian Seiler <christian@iwakd.de> - 2017-11-06 14:30 +0100
    Re: how to enable trim for an external encrypted SSD? "Alexander V. Makartsev" <avbetev@gmail.com> - 2017-11-06 21:10 +0100
      Re: how to enable trim for an external encrypted SSD? Michael Stone <mstone@debian.org> - 2017-11-06 21:50 +0100
        Re: how to enable trim for an external encrypted SSD? "Alexander V. Makartsev" <avbetev@gmail.com> - 2017-11-06 22:30 +0100
          Re: how to enable trim for an external encrypted SSD? Michael Stone <mstone@debian.org> - 2017-11-06 23:10 +0100
            Re: how to enable trim for an external encrypted SSD? "Alexander V. Makartsev" <avbetev@gmail.com> - 2017-11-07 00:20 +0100
              Re: ow to enable trim for an external encrypted SSD? dekkzz78@gmail.com - 2017-11-07 13:40 +0100
          Re: how to enable trim for an external encrypted SSD? Henrique de Moraes Holschuh <hmh@debian.org> - 2017-11-07 02:10 +0100
      Re: how to enable trim for an external encrypted SSD? Joerg Desch <news@jdesch.de> - 2017-11-07 08:20 +0100
    Re: how to enable trim for an external encrypted SSD? Joerg Desch <news@jdesch.de> - 2017-11-07 08:10 +0100
    Re: how to enable trim for an external encrypted SSD? Joerg Desch <news@jdesch.de> - 2017-11-11 14:10 +0100
      Re: how to enable trim for an external encrypted SSD? Christian Seiler <christian@iwakd.de> - 2017-11-11 14:20 +0100
        Re: how to enable trim for an external encrypted SSD? Joerg Desch <news@jdesch.de> - 2017-11-11 14:40 +0100
          Re: how to enable trim for an external encrypted SSD? Christian Seiler <christian@iwakd.de> - 2017-11-11 15:30 +0100
            Re: how to enable trim for an external encrypted SSD? Joerg Desch <news@jdesch.de> - 2017-11-11 16:50 +0100
              Re: how to enable trim for an external encrypted SSD? Stefan Monnier <monnier@iro.umontreal.ca> - 2017-11-16 04:10 +0100
                Re: how to enable trim for an external encrypted SSD? Joerg Desch <news@jdesch.de> - 2017-11-21 18:40 +0100
    Re: how to enable trim for an external encrypted SSD? Christian Seiler <christian@iwakd.de> - 2017-12-18 13:20 +0100

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