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

[DI Florian Reitmeir]

Hi,

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

never the need to trim the disk.

https://wiki.debian.org/SSDOptimization#Mounting_SSD_filesystems

greetings

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