[ltp] X200s X60, SSD Samsung 840, trim, kernel, Kubuntu 10.04

DI Florian Reitmeir linux-thinkpad@linux-thinkpad.org
Wed, 1 Jun 2016 09:32:16 +0200


if you mount the disk with discard support, and enable discard in lvm, 
then you should have

never the need to trim the disk.



Am 29.05.2016 um 20:52 schrieb Uwe Brauer:
> Hi
> I am currently using 2 Laptops a X200s and X61. The first has a SSD
> Samsung 840 250 Giga the second the smaller 120 Giga. (Changing to a SSD
> was the largest performance boost I have seen in the last years.) Both
> laptops I use with Kubuntu 10.04, and the jfs file system.
> However I had to compile 3.7 kernel in order to use TRIM for jfs, since
> in earlier kernel versions this feature was not supported.
> The SSD on the smaller machine failed with a serious error and is now
> useless. I wounder if it has to do with the trim operation since I have
> read stories about data loss with trim enabled, but then the SSD on the
> other machine is fine.
> So for the moment I switched back to the old hard disk and I am back
> *from* the future, and that is why I will get a new SSD.
> I presume I have to upgrade Kubuntu, so the question is: is 14.04 enough
> or do I need a more modern kernel even. Is trim save? How often shall I
> run it, on every boot, once a week?
> Comments are very well come.
> Thanks and regards
> Uwe Brauer