Hello. First, please say "hello" to Havana... i miss Cuba (my only time in cuba, 2 years ago, habana, trinidad, vinales).
Regarding your problem: can you describe better your cluster configuration ? Which kind of storage (both local and shared) are you using ? RAID-1 disks are software or hardware raid ? Do you have a controller with cache memory and backup battery ? Why have you choosen to have only a container with local storage (and not a VM with shared storage) for zimbra installation ? If you have a very busy zimbra server, you will have a lot of disk I/O activity, and hardware requirements are growing for last zimbra releases (8.6). You can try to monitor your container activity with both "sar" and "dstat". Regards, Fabrizio ----- Il 17-giu-16, alle 4:38, Orlando Martinez Bao om...@unah.edu.cu ha scritto: > Hello friends > > I am SysAdmin at the Agrarian University of Havana, Cuba. > > > > I have installed Proxmox v3.4 here a cluster of seven nodes and for some > days I am having problems with a node in the cluster which only has a > Container with Zimbra 8. > > The problem is I'm having a lot of I / O Delay and that server is very slow > to the point that sometimes the service is down. > > The server is PowerEdge T320 Dell with Intel Xeon E5-2420 12gram with 12 > cores and 1GB of disk 7200RPM 2xHDD are configured as RAID1. > > I have virtualizing the zimbra 8 using a template of 12.04, has 8 cores, 8G > RAM, 500GHD the storage of container is local storage. > > Then I put the output to see the IO when you are not running the VM. Look at > the BUFFERED READS that are marked are very bad. And those moments have seen > IO Delay up to 50%. > > > > root@n07:~# pveperf > > CPU BOGOMIPS: 45601.20 > > REGEX/SECOND: 1025079 > > HD SIZE: 9.84 GB (/dev/mapper/pve-root) > > BUFFERED READS: 1.51 MB/sec > > AVERAGE SEEK TIME: 165.88 ms > > FSYNCS/SECOND: 0.40 > > DNS EXT: 206.20 ms > > DNS INT: 0.91 ms (unah.edu.cu) > > root@n07:~# pveperf > > CPU BOGOMIPS: 45601.20 > > REGEX/SECOND: 1048361 > > HD SIZE: 9.84 GB (/dev/mapper/pve-root) > > BUFFERED READS: 0.78 MB/sec > > AVERAGE SEEK TIME: 283.84 ms > > FSYNCS/SECOND: 0.50 > > DNS EXT: 206.13 ms > > DNS INT: 0.89 ms (unah.edu.cu) > > root@n07:~# pveperf (Este fue cuando detuve la VM) > > CPU BOGOMIPS: 45601.20 > > REGEX/SECOND: 1073712 > > HD SIZE: 9.84 GB (/dev/mapper/pve-root) > > BUFFERED READS: 113.04 MB/sec > > AVERAGE SEEK TIME: 13.49 ms > > FSYNCS/SECOND: 9.66 > > DNS EXT: 198.59 ms > > DNS INT: 0.86 ms (unah.edu.cu) > > root@n07:~# pveperf > > CPU BOGOMIPS: 45601.20 > > REGEX/SECOND: 1024213 > > HD SIZE: 9.84 GB (/dev/mapper/pve-root) > > BUFFERED READS: 164.30 MB/sec > > AVERAGE SEEK TIME: 13.61 ms > > FSYNCS/SECOND: 16.34 > > DNS EXT: 234.75 ms > > DNS INT: 0.94 ms (unah.edu.cu) > > > > > > Please help me. > > Best Regards > > Orlando > > > > _______________________________________________ > pve-user mailing list > pve-user@pve.proxmox.com > http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user -- --- Fabrizio Cuseo - mailto:f.cu...@panservice.it Direzione Generale - Panservice InterNetWorking Servizi Professionali per Internet ed il Networking Panservice e' associata AIIP - RIPE Local Registry Phone: +39 0773 410020 - Fax: +39 0773 470219 http://www.panservice.it mailto:i...@panservice.it Numero verde nazionale: 800 901492 _______________________________________________ pve-user mailing list pve-user@pve.proxmox.com http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
