[Lustre-discuss] Failure to connect to some OST from a client machine

2013-09-05 Thread Bob Ball
We are running Lustre 2.1.6 on Scientific Linux 6.4, kernel 2.6.32-358.11.1.el6.x86_64. This was an upgrade from Lustre 1.8.4 on SL5. We have had a few situations lately where a client stops talking to some subset of the OST (about 58 of these total on 8 OSS, nearly 500TB in total). I have a

Re: [Lustre-discuss] [HPDD-discuss] Failure to connect to some OST from a client machine

2013-09-05 Thread Bob Ball
That is an interesting mix. Nothing shows up at all on the clients, even on those 3 that route to a second NIC. On the OSS, it is quite the mix of up/down on the 3 routers, with no obvious pattern. Most of our traffic is on the 10.10 network, with the 3 machines shown below routing to a smal

Re: [Lustre-discuss] [HPDD-discuss] Failure to connect to some OST from a client machine

2013-09-05 Thread Bob Ball
There are very few clients right now on the tcp2 network. AFAIK, they are happy. No one is complaining, but they may not be using the Lustre storage right now, either. bob On 9/5/2013 4:22 PM, Kris Howard wrote: If you lctl ping 10.10.X.XX@tcp from both sides it should bring the route up.

[Lustre-discuss] Lustreユーザーグループ(LUG)のイベント日程案内

2013-09-05 Thread OpenSFS Administration
The following message is a translated version of the email we distributed announcing the upcoming APAC LUG events. We encourage you to circulate the notice below to any of your Japanese colleagues or contacts. The previous English email is also attached for reference. イベント日程案内 中国 北京 2013年1