zvlastni hodnoty pri pingu

[Daniel Smolik]

arnost wrote:
> 
> Dobry den,
> 
> nedavno jsem narazil na zvlastni jev. Asi pred tydnem jsem zacal mit problemy s
> NFS. Odezvy byly cim dal tim horsi a system obcas nahlasil nedostupnost
> pocitace.  Pri pingu na stroj exportujici dany svazek se zjevily nasledujici
> podivne hodnoty:
> 
> 64 bytes from 147.231.4.87: icmp_seq=161 ttl=64 time=19023.4 ms
> 64 bytes from 147.231.4.87: icmp_seq=162 ttl=64 time=18036.9 ms
> 64 bytes from 147.231.4.87: icmp_seq=163 ttl=64 time=17044.3 ms
> 64 bytes from 147.231.4.87: icmp_seq=164 ttl=64 time=16044.6 ms
> 64 bytes from 147.231.4.87: icmp_seq=165 ttl=64 time=15044.9 ms
> 64 bytes from 147.231.4.87: icmp_seq=166 ttl=64 time=14045.3 ms
> 64 bytes from 147.231.4.87: icmp_seq=167 ttl=64 time=13045.6 ms
> 64 bytes from 147.231.4.87: icmp_seq=168 ttl=64 time=12045.9 ms
> 64 bytes from 147.231.4.87: icmp_seq=169 ttl=64 time=11046.2 ms
> 64 bytes from 147.231.4.87: icmp_seq=170 ttl=64 time=10046.4 ms
> 64 bytes from 147.231.4.87: icmp_seq=171 ttl=64 time=9066.3 ms
> 64 bytes from 147.231.4.87: icmp_seq=172 ttl=64 time=8062.8 ms
> 64 bytes from 147.231.4.87: icmp_seq=173 ttl=64 time=7066.1 ms
> 64 bytes from 147.231.4.87: icmp_seq=174 ttl=64 time=6067.3 ms
> 64 bytes from 147.231.4.87: icmp_seq=175 ttl=64 time=5067.6 ms
> 64 bytes from 147.231.4.87: icmp_seq=176 ttl=64 time=4068.0 ms
> 64 bytes from 147.231.4.87: icmp_seq=177 ttl=64 time=3068.3 ms
> 64 bytes from 147.231.4.87: icmp_seq=178 ttl=64 time=2290.2 ms
> 64 bytes from 147.231.4.87: icmp_seq=179 ttl=64 time=1290.8 ms
> 64 bytes from 147.231.4.87: icmp_seq=180 ttl=64 time=291.1 ms
> 
> toto se periodicky opakovalo, jen obcas posloupnost nezacala od 19023 ale treba
> od 9066 (i v tomto se dala vysledovat pravidelnost).
> 
> Oba stroje byly propojeny pres jeden switch a dle diod byla zatez site ve
> spickach asi 40%
> 
> nenapada nekoho vysvetleni te podivne pravidelnosti namerenych hodnot?
Nevim, ale jednou mi to neco podobneho delalo a nakonec to
bylo kernelem 2.2.12.

					Dan


-- 
Daniel Smolik
http://www.corpus.cz
mailto:smolik na corpus.cz