On Thursday, January 25, 2018 at 4:03:16 PM UTC+2, Yuraeitha wrote:
> On Thursday, January 25, 2018 at 2:32:38 PM UTC+1, beso wrote:
> > On Thursday, January 25, 2018 at 1:13:53 PM UTC+2, donoban wrote:
> > > On 01/24/2018 07:11 PM, beso wrote:
> > > > On Wednesday, January 24, 2018 at 2:47:55 PM UTC+2, donoban wrote:
> > > >> On 01/24/2018 09:34 AM, beso wrote:
> > > >>> On Tuesday, January 23, 2018 at 3:53:15 PM UTC+2, steve.coleman wrote:
> > > >>>> On 01/23/2018 04:55 AM, beso wrote:
> > > >>>>> Something is eating free space in my system. It step by step 
> > > >>>>> decreasing. I haven't found any good solution for that.
> > > >>>>>
> > > >>>>
> > > >>>> This command should give you a clue as to where the space is going:
> > > >>>>
> > > >>>> $ sudo du -h / | sort  -g | tail -100
> > > >>>>
> > > >>
> > > >> Try reversing the sort output:
> > > >>
> > > >> sudo du -h / | sort  -g -r | tail -100
> > > > 
> > > > sudo du -h / | sort -g -r | tail -100
> > > > du: `/proc/5947/task/5947/fd/4' ei saa kasutada: No such file or 
> > > > directory
> > > > du: `/proc/5947/task/5947/fdinfo/4' ei saa kasutada: No such file or 
> > > > directory
> > > > du: `/proc/5947/fd/3' ei saa kasutada: No such file or directory
> > > > du: `/proc/5947/fdinfo/3' ei saa kasutada: No such file or directory
> > > > 0       /proc/109/ns
> > > > 0       /proc/109/net/stat
> > > 
> > > Ouch, try better this way:
> > > 
> > > cd /
> > > sudo du -sh *
> > > 
> > > You should see each dir on / and its disk usage
> > > 
> > > then cd what you think it's using more than expected and du -sh * again.
> > 
> > Thank you for the answer. Actually I know generally that some of my appvm-s 
> > are quite big and there is quite few room(about 6G). Thing I don't 
> > understand and would like to know is that this free room is disappearing 
> > sometimes(not always) "in my eyes"(free space checker shows me in real time 
> > :-))
> 
> It may be, "possible" that discard / fstrim only partially works? For example 
> if it works in dom0, but not in some, or all your VM's, then numbers may 
> change, but they won't be exact. This too means some VM's can grow larger 
> than the actual files they hold, i.e. if you once had more files in, but no 
> longer have that much now. If it can't shrink back down, then it'll stay 
> large. Does your VM's shrink back down too? 
> 
> I modified donoban's command slightly, it's a good command and it's a good 
> advice he gives. The only reason I modified it to AppVM folder, is because 
> it's a likely source for your disk changes, so it's a good place to start 
> looking too in addition to overall root at "/". 
> 
> Try:
> 
> in dom0: cd /var/lib/qubes/appvms 
> in dom0: sudo du -sh *
> 
> It'll show all your AppVM's and their total disk usage, it's way simpler than 
> the "qvm-ls --format disk" dommand I gave you earlier. 
> 
> It's recommendable that you save these logs over some days, i.e. sudo nano 
> and copy-paste into it, and save with ctrl+x and follow the guideline to 
> save. 
> 
> By keeping these logs, you can easily narrow down where it changes in an 
> uncontrollable manner when compared. You can even post them here if you 
> prefer, or cross out the VM names with numbers instead if you prefer privacy 
> (just be sure they match numbers between logs). 
> 
> As donoban also said, if you do this properly, you'll be able to narrow down 
> the possible culprit. Run the commands once a day over a few days, on both 
> "/" and "/var/lib/qubes/appvms", and keep one log for each path, for some 
> days.
> 
> This way, you'll quickly narrow it down with minimal effort once a day, only 
> requiring a bit of patience and a few quick commands daily, max 3-4 minutes.


Actually I haven't trimmed dom0 itself only templates/appvms/standalones. Is 
this link https://www.qubes-os.org/doc/disk-trim/ correctway to do that?

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