Right (i missed them). You need better disk/controller. This is one "old" node, dell 2950, with 2 x sata (raid-1 with perc5i 256Mb cache and BBU). Using cached and BBU controllers, you can gain in fsyncs/second.
root@proxmox-1:~# pveperf CPU BOGOMIPS: 37241.04 REGEX/SECOND: 923558 HD SIZE: 57.09 GB (/dev/mapper/pve-root) BUFFERED READS: 50.14 MB/sec AVERAGE SEEK TIME: 13.42 ms FSYNCS/SECOND: 699.46 DNS EXT: 12.05 ms DNS INT: 21.70 ms () ----- Il 17-giu-16, alle 15:10, Gerald Brandt [email protected] ha scritto: > Hi, > > Your fsyncs per second are brutal, and Proxmox needs high fsyncs. I > would start there. > > Gerald > > > On 2016-06-16 09:38 PM, Orlando Martinez Bao wrote: >> 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 >> [email protected] >> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user > > _______________________________________________ > pve-user mailing list > [email protected] > http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user -- --- Fabrizio Cuseo - mailto:[email protected] 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:[email protected] Numero verde nazionale: 800 901492 _______________________________________________ pve-user mailing list [email protected] http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
