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Groups > linux.debian.user > #188878
| From | Christian Seiler <christian@iwakd.de> |
|---|---|
| Newsgroups | linux.debian.user |
| Followup-To | debian-user@lists.debian.org |
| Subject | Re: how to enable trim for an external encrypted SSD? |
| Date | 2017-11-11 14:20 +0100 |
| Message-ID | <uKDRw-2ci-1@gated-at.bofh.it> (permalink) |
| References | <uIOo1-2L5-5@gated-at.bofh.it> <uIPDr-3uR-9@gated-at.bofh.it> <uKDHP-28K-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Followups directed to: debian-user@lists.debian.org
On 11/11/2017 02:05 PM, Joerg Desch wrote: > Am Mon, 06 Nov 2017 14:28:32 +0100 schrieb Christian Seiler: > >> I don't what you want is possible. When you plug in an external drive >> (that is _not_ in /etc/fstab etc.) the process of how it gets mounted is >> different: > ... >> tune2fs -o +discard /dev/external_disk_device > > My drive has arrived and even a ext4 without LUKS fails to (fs)trim the > mount! Any idea why? > > ~~~~ > $ sudo hdparm -I /dev/sdg1 > ... > * Data Set Management TRIM supported (limit 8 blocks) > * Deterministic read data after TRIM > $ sudo fstrim /media/jd/TEST > fstrim: /media/jd/TEST: Verwerfungsvorgang wird nicht unterstützt. > ~~~~ Maybe the external controller (or at least the driver for the external controller) that interfaces the SSD with USB (or whatever you're using to connect it externally to your system) doesn't understand TRIM properly? Also, did you mount the device with -o discard or set that option with tune2fs (_before_ mounting it)? What does the command findmnt | grep /media/jd/TEST say in terms of active filesystem options? Regards, Christian
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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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