I checked that, doesn't appear to be the case. *# pwd* */sys/fs/cgroup/memory* *# cat *limit_in_bytes* *9223372036854771712* *9223372036854767616* *2251799813685247* *2251799813685247* *9223372036854771712* *9223372036854771712* *9223372036854771712* *# cat *failcnt* *0* *0* *0* *0* *0*
# pwd /sys/fs/cgroup/memory/machine.slice *# cat *limit_in_bytes* *9223372036854771712* *9223372036854767616* *9223372036854771712* *9223372036854771712* *9223372036854771712* *9223372036854771712* *9223372036854771712* *# cat *failcnt* *0* *0* *0* *0* *0* On Thu, Jan 28, 2021 at 2:47 AM Konstantin Khorenko <khore...@virtuozzo.com> wrote: > Hi Joe, > > i'd suggest to check memory limits for root and "machine.slice" memory > cgroups > > /sys/fs/cgroup/memory/*limit_in_bytes > /sys/fs/cgroup/memory/machine.slice/*limit_in_bytes > > All of them should be unlimited. > > If not - search who limit them. > > -- > Best regards, > > Konstantin Khorenko, > Virtuozzo Linux Kernel Team > > On 01/27/2021 10:28 PM, Joe Dougherty wrote: > > I'm running into an issue on only 1 of my OpenVZ 7 nodes where it's unable > to create a directory on /sys/fs/cgroup/memory/machine.slice due to "Cannot > allocate memory" whenever I try to start a new container or restart and > existing one. I've been trying to research this but I'm unable to find any > concrete info on what could cause this. It appears to be memory related > because sometimes if I issue "echo 1 /proc/sys/vm/drop_caches" it allows me > to start a container (this only works sometimes) but my RAM usage is > extremely low with no swapping (swappiness even set to 0 for testing). > Thank you in advance for your help. > > > Example: > *# vzctl start 9499* > *Starting Container ...* > *Mount image: /vz/private/9499/root.hdd* > *Container is mounted* > *Can't create directory /sys/fs/cgroup/memory/machine.slice/9499: Cannot > allocate memory* > *Unmount image: /vz/private/9499/root.hdd (190)* > *Container is unmounted* > *Failed to start the Container* > > > Node Info: > *Uptime: 10 days* > *OS: Virtuozzo 7.0.15* > *Kernel: 3.10.0-1127.18.2.vz7.163.46 GNU/Linux* > *System Load: 3.1* > */vz Usage: 56% of 37T* > *Swap Usage: 0%* > *RAM Free: 84% of 94.2GB* > > *# free -m* > * total used free shared > buff/cache available* > *Mem: 96502 14259 49940 413 32303 > 80990* > *Swap: 32767 93 32674* > > > _______________________________________________ > Users mailing > listUsers@openvz.orghttps://lists.openvz.org/mailman/listinfo/users > > > _______________________________________________ > Users mailing list > Users@openvz.org > https://lists.openvz.org/mailman/listinfo/users > -- *-Joe Dougherty* *Chief Operating Officer* *Secure Dragon LLC * *www.SecureDragon.net <http://www.SecureDragon.net>*
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