Date: Wed, 21 Sep 2016 11:24:57 +0200 From: =?utf-8?B?U3TDpWxl?= Kristoffersen <chiller@driftfun.com> To: Anton Yuzhaninov <citrin+bsd@citrin.ru> Cc: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: Re: Server gets a high load, but no CPU use, and then later stops respond on the network Message-ID: <20160921092457.GA13386@putsch.kolbu.ws> In-Reply-To: <17ceb91f-b502-7517-7251-73b8399861d9@citrin.ru> References: <20160913232351.GA36091@putsch.kolbu.ws> <17ceb91f-b502-7517-7251-73b8399861d9@citrin.ru>
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On 2016-09-20 at 12:18, Anton Yuzhaninov wrote: <snip> > It worth to get working remote console first. > > With Supermicro server you usually have two options: > 1. IPMI Serial over LAN > 2. IP-KVM provided by BMC > > 1. IPMI SOL can be used from other BSD/Linux host using ipmitools > ipmitool .... sol activate > > IPMI SOL should be configured on both IPMI (via ipmitool) and server > (/boot/loader.conf, /etc/ttys). > > 2. IP-KVM can be accessed using Java application from BMC web interface > or using IPMIView: > ftp://ftp.supermicro.com/utility/IPMIView/Linux/ > > Which method do you use? I am using IP-KVM using the web interface. > Is keypress repeated always or only when server is overloaded? Only when the server is in the bad state. Normally everything is fine, and I have no problems using it. Maybe SOL will have a better chance of working when the server is in the bad state. I'll try to configure it and see what happens. > Anyway both methods should work, but has own issues: > > 1. Remote user for ipmitools can be activated only via web interface > (and NULL user can't be used). Default user ADMIN work via ipmitool too, > but I wanted to create separate users. > > 2. Java app from server's BMC web interface works only with some JRE > versions (long time ago it worked only with Sun/Oracle JDK and failed to > work with OpenJDK). IPMIView worked better for me (with less glitches) > than app from BMC web interface. I recommend to use IPMIView. Ok, I'll also try to get IPMIView working, and see if that changes anything > 3. It is more reliable and secure to use dedicated IPMI LAN port on server. I am using the dedicated LAN port, so that shouldn't be a problem. -- Ståle Kristoffersen
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