You need to provide more information. 20% is what number. There are something like 6 numbers on that line. On 02/08/2016 02:56 PM, Gokan Atmaca wrote: >> If you run top what are you seeing on the %Cpu(s) line? > %20 > > > On Mon, Feb 8, 2016 at 9:30 PM, Alvin Starr <alvin at netvel.net> wrote: >> Slow disks will show up as higher I/Owait times. >> If your seeing 99% cpu usage then your likely looking at some other problem. >> >> If you run top what are you seeing on the %Cpu(s) line? >> >> >> On 02/08/2016 02:20 PM, Gokan Atmaca wrote: >>>> I'm guessing you're using standard 7,200rpm platter drives? You'll need >>>> to share more information about your environment in order for us to >>>> provide useful feedback. Usually though, the answer is 'caching' and/or >>>> 'faster disks'. >>> Yes , 7.2k rpm disks. 2T mirror (soft). In fact, I had such a >>> preference for slightly more capacity. >>> Unfortunately very expensive SAS drives. But this works only if the >>> server in question occur. >>> In this case, about 15 minutes. progress. >>> >>> >>> On Mon, Feb 8, 2016 at 9:13 PM, Digimer <lists at alteeve.ca> wrote: >>>> On 08/02/16 02:12 PM, Gokan Atmaca wrote: >>>>> Hello >>>>> >>>>> I use KVM. In a virtual machine "jbd2 dm-0" disk I / O is very >>>>> increases. It consumes up to 99%. For this reason, slowing down the >>>>> other virtual machine. What should I do to solve the problem. ? >>>>> >>>>> Thanks.. >>>> I'm guessing you're using standard 7,200rpm platter drives? You'll need >>>> to share more information about your environment in order for us to >>>> provide useful feedback. Usually though, the answer is 'caching' and/or >>>> 'faster disks'. >>>> >>>> -- >>>> Digimer >>>> Papers and Projects: https://alteeve.ca/w/ >>>> What if the cure for cancer is trapped in the mind of a person without >>>> access to education? >>>> _______________________________________________ >>>> CentOS-virt mailing list >>>> CentOS-virt at centos.org >>>> https://lists.centos.org/mailman/listinfo/centos-virt >>> _______________________________________________ >>> CentOS-virt mailing list >>> CentOS-virt at centos.org >>> https://lists.centos.org/mailman/listinfo/centos-virt >> >> >> -- >> Alvin Starr || voice: (905)513-7688 >> Netvel Inc. || Cell: (416)806-0133 >> alvin at netvel.net || >> >> >> _______________________________________________ >> CentOS-virt mailing list >> CentOS-virt at centos.org >> https://lists.centos.org/mailman/listinfo/centos-virt > _______________________________________________ > CentOS-virt mailing list > CentOS-virt at centos.org > https://lists.centos.org/mailman/listinfo/centos-virt -- Alvin Starr || voice: (905)513-7688 Netvel Inc. || Cell: (416)806-0133 alvin at netvel.net ||