Messages in this thread | | | Date | Fri, 13 Sep 2013 09:35:05 +0300 | From | Marcus Sundman <> | Subject | Re: Debugging system freezes on filesystem writes |
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On 12.09.2013 23:46, Jan Kara wrote: > On Thu 12-09-13 20:59:07, Marcus Sundman wrote: >> On 12.09.2013 19:35, Jan Kara wrote: >>> On Thu 12-09-13 18:08:13, Marcus Sundman wrote: >>>> And can I somehow "reset" whatever it is that is making it worse so >>>> that it becomes good again? That way I could spend maybe 1 hour once >>>> every few months to get it back to top speed. >>>> Any other ideas how I could make this (very expensive and fairly new >>>> ZenBook) laptop usable? >>> Well, I believe if you used like 70% or less of the disk and regularly >>> (like once in a few days) run fstrim command, I belive the disk performance >>> should stay at a usable level. >> At 128 GB it is extremely small as it is, and I'm really struggling >> to fit all on it. Most of my stuff is on my NAS (which has almost 10 >> TB space), but still I need several code repositories and the >> development environment and a virtual machine etc on this tiny 128 >> GB thing. > I see. I have like 70 GB disk and 50% of it are free :) But I have test > machines with much larger drives where I have VMs etc. This one is just > for email and coding. > >> So, if I used some other filesystem, might that allow me to use a >> larger portion of the SSD without this degradation? Or with a much >> slower rate of degradation? > You might try f2fs. That is designed for low end flash storage so it > might work better than ext4. But it is a new filesystem so backup often. > >> And at some point it will become unusable again, so what can I do >> then? If I move everything to my NAS (and maybe even re-create the >> filesystem?) and move everything back, might that get rid of the FTL >> fragmentation? > Yes, that should get rid of it. But since you have only a few GB free, > I'm afraid the fragmentation will reappear pretty quickly. But I guess it's > worth a try. > >> Or could I somehow defragment the FTL without moving away everything? > I don't know about such way.
How about triggering the garbage collection on the drive, is that possible?
- Marcus
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