cloudstack-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From ilya <ilya.mailing.li...@gmail.com>
Subject Re: Performance problem within SSVM
Date Wed, 27 May 2015 03:36:52 GMT
try running tcp dump on the hypervisor the SSVM is on..

On 5/26/15 10:55 AM, Vladislav Nazarenko wrote:
> Hi Everybody,
>
> I'm expierencing some performance problems with SSVM.
>
> /usr/local/cloud/systemvm/ssvm-check.sh shows no problems
>
> When the agent is running, I see 100% of io-wait.
> secondary storage is mounted, but due to the io-wait, I can not access it
>
> When I stop the agent(/etc/init.d/cloud stop), I can easily access the 
> nfs mount. I also tried to download images manually (curl), works good.
>
>
> the physical host hos not IO problems
> /etc/exports:
> /storage   10.0.40.0/24(rw,async,no_root_squash,no_subtree_check)
>
> Mount in the SSVM:
> 10.0.40.10:/storage/secondary on 
> /mnt/SecStorage/0405ba30-38b9-349d-9ea4-15ea09d67e09 type nfs 
> (rw,relatime,vers=3,rsize=1048576,wsize=1048576,namlen=255,acdirmin=0,acdirmax=0,soft,proto=tcp,timeo=133,retrans=2147483647,sec=sys,mountaddr=10.0.40.10,mountvers=3,mountport=892,mountproto=tcp,local_lock=none,addr=10.0.40.10)
>
>
> Cloudtack: 4.4.3 on centos 7
>
>
> Please advice what to check
> Vlad
>
>


Mime
View raw message