Aug 162015

I’m using FreeBSD 10.2-RC2 here, with a bunch of HDD. Here are the current pools: The degraded music pool contains a drive I will be replacing later in this post. But first, I want to replace a mis-matched drive in the benchmarking pool. I noticed that when I saw this output: The serial number on […]

Aug 152015

I wasted a few hours today trying to figure out why special characters in passwords were causing problems. I was chasing the wrong problem. Conclusion: smart quotes are dumb. Full disclosure: I should have seen the problem. The problem is not with LibreNMS. Here is my procedure for creating an snmp read-only user, as provided […]

Aug 012015

I took delivery of another 10 x Toshiba PH3500U-1I72 5TB drives yesterday. They are installed into the latest server (varm). This sever also contains 10x Toshiba DT01ACA300 3TB drives. Last night I wrote a wee script to start long tests on each of them. I was able to extract a list of the hard drives […]

Jul 252015

I noticed these messages this morning, on the new server: $ grep smartd /var/log/messages Jul 25 11:35:29 varm smartd[813]: Device: /dev/da15 [SAT], 8 Currently unreadable (pending) sectors Jul 25 11:35:29 varm smartd[813]: Device: /dev/da15 [SAT], 10 Offline uncorrectable sectors Jul 25 12:05:28 varm smartd[813]: Device: /dev/da15 [SAT], 8 Currently unreadable (pending) sectors Jul 25 12:35:29 […]

Jul 222015

As I was setting up the new varm server, one of the Nagios checks I included was check_ntp_time. It comes standard with nagios-plugins. The check was reporting NTP CRITICAL: Offset unknown. Running the check from the command line showed: [dan@webserver:/usr/local/libexec/nagios] $ ./check_ntp_time -4 -H varm NTP CRITICAL: Offset unknown| Running the check with a timeout […]