2015

mfituil exploration

When I couldn’t see any tape library associated with my SAS card, I decided to play with mifutil in case that provides any useful information. # mfiutil -u 0 show adapter mfi0 Adapter: Product Name: PERC 6/E Adapter Serial Number: 1122334455667788 Firmware: 6.2.0-0013 RAID Levels: JBOD, RAID0, RAID1, RAID5, RAID6, RAID10, RAID50 Battery Backup: not …

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tape01

This post is deprecated by this one. World, please meet tape01, the newest addition to my home lab, and reincarnated from an old server. These are the screen shots of the Dell PERC 6E card BIOS configuration. But for the record:

Oh! There’s my missing tape drive!

Yesterday and today, none of my Bacula copy-to-tape jobs completed because my tape drive was missing. Today, I reseated all the cables, and power cycled the tape library. In my ssh session, I did this: $ sudo camcontrol devlist <ATA TOSHIBA DT01ACA3 ABB0> at scbus0 target 2 lun 0 (da0,pass0) <ATA TOSHIBA DT01ACA3 ABB0> at …

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tape01 – old server; new purpose

This is tape01, the server to which the DELL TL4000 will be attached. At one time, it was my gateway/firewall/router. Of interest is the SAS card. You can see photos here. $ grep mfi /var/log/messages Dec 30 14:48:02 tape01 kernel: mfi0: <Dell PERC 6> port 0xd000-0xd0ff mem 0xfbec0000-0xfbefffff,0xfbe80000-0xfbebffff irq 19 at device 0.0 on pci3 …

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OSX Mail crashes when using TunnelBlick and setting DNS/WINS

I encounter edge cases. It’s not fun. This particular situation caused OXS Mail.app to crash when using a VPN. The outline This particular edge case involved the following: OSX 10.11.1 (15B42) Tunnelblick 3.5.5 (build 4270.4461) Mail.app When running Mail.app, it would crash within 5-10 seconds. The full dump of the crash has been sent to …

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Installing net-mgmt/net-snmpd and getting it running

NOTE: IF YOU WANT TO GET IT WORKING, skip down to The Recipe. See also net-mgmt/net-snmpd wants /snmp/snmpd.conf for later versions of net-snmpd. I want to measure more stuff. I have catci running on some machines, but I have long neglected those stats. In response to my recent post on the FreeBSD Forums, I was …

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Deleting files from /usr/, breaking your system, then recovering

Yes, this was not fun. I took some notes, but not everything. Please read the notes if you plan on doing these foolish things. I was cleaning up /usr/src on a host which does not hold src. I looked and found: It was there that I knew I’d done the wrong thing. Trying snapshots Let’s …

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Smart quotes are not so smart: net-snmp-config –create-snmpv3-user for LibreNMS

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 …

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