FreeBSD

Converting thin jails to thick jails

Leave a Comment / ezjail, FreeBSD, iocage, Jails, Open Source, ZFS / By /

I have been using ezjail since at least 2008 (see earlier blog post). A few years ago, I started deploying iocage on new servers. About three months ago, I starting converting systems from ezjail to iocage. When I converted my first system, I found that the existing documentation for conversion was incomplete. Specifically, symlinks were a problem. I raised an issue and wrote a better script which I have since used on a […]

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Double timestamps in logs

1 Comment / FreeBSD, Open Source, syslogd / By /

I noticed some double timestamps in my logs recently. They started just after I upgraded the host to FreeBSD 12, but I am not convinced they are related. This is from /var/log/messsages: Jan 22 21:41:40 knew 1 2019-01-22T21:41:40.760533+00:00 knew.int.unixathome.org pkg 89351 – – py36-iocage-devel upgraded: 1.0.0.20181219,1 -> 1.0.0.20190122,1 They started late yesterday, this is from /var/log/maillog: Jan 21 22:28:58 knew 1 2019-01-21T22:28:58.677083+00:00 knew.int.unixathome.org postfix/anvil 42521 – – statistics: max connection rate 1/60s for

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Upgrading to FreeBSD 12.0 from FreeBSD 11.2 using beadm and freebsd-update

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Today I will upgrade knew from FreeBSD 11.2 to FreeBSD 12.0. It so happens that this is my last server at home which is still running 11.2, but I do have another server still on 11.2, but that one is at NYI. This post isn’t so much about beadm or about freebsd-update. I have written about moving to a beadm layout, but if your zfs list output looks something like this, you’re good

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Collecting statistics from bind / named

3 Comments / FreeBSD, iocage, Jails, named / By /

I use bind (Berkeley Internet Name Domain) as my DNS server. I am currently running bind 9.11.5P1 on FreeBSD 11.2-RELEASE-p8 in a jail, with iocage as my jail manager. The OS, jail, and jail manager should play no part in how this works. I have been collecting statistics from bind for some time. I have configured LibreNMS to collect the details via snmpd and they are plotted in a lovely looking graph. The

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Adding a zroot pool to an existing system

Leave a Comment / beadm, Disks, File Systems, FreeBSD, hardware, HBA, ZFS / By /

Current FreeBSD versions will allow you to create a zroot zpool from which you can boot. However, when I created the main zpool for slocum (on Fri May 3 2:16 2013), that option did not exist. You might ask: how do I know that date? [dan@slocum:~] $ zfs get creation system NAME PROPERTY VALUE SOURCE system creation Fri May 3 2:16 2013 – At present, the system boots from a raidz2 zpool. This

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knew

Leave a Comment / Disks, File Systems, FreeBSD, hardware, Open Source, ZFS / By /

This post has been replaced by a newer post. This is the previous post for this system configuration. For future reference, this is the knew server … oh wait, I think it’s this server which is was mounted in the 3U chassis mentioned in this post (perviously erroneously referred to as a 4U). It runs a few jails, including Bacula regression testing services. It is now mounted in a SuperChassis 846E16-R1200B This recent

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zpool: FAULTED – too many errors

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This server, knew has had an intermittent problem related to CAM status: SCSI Status Error messages. There is a FreeBSD Forums post about it. On Sunday, the problem returned, and this time it degraded the zpool. I collected the information in this gist and I will list the relevant portions below. I had enabled smartd testing and I received this email late on Sunday: Despite the promise of more information in the logs,

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degraded zpool

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On Monday night at about 5:30 PM, I noticed the email: ** PROBLEM alert – knew/zpool is CRITICAL ** What sickened me was that the email was sent at 3:58 PM. That makes me think I should add a Pushover.net alert …. I could do that at my mail server. Logging into the server, I saw: [dan@knew:~] $ zpool list NAME SIZE ALLOC FREE CKPOINT EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT system 90.5T

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Running FreeBSD on OSX using xhyve, a port of bhyve

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bhyve is a hypervisor/virtual machine manager developed on FreeBSD. xhyve is port of bhyve to OS X. It is built on top of Hypervisor.framework in OS X 10.10 Yosemite and higher, runs entirely in userspace, and has no other dependencies. I usually use MacPorts, but ran into trouble with xhyve, so this morning I tried Homebrew instead. Installing Homebew (often referred to as brew) is outside scope, so please refer to their documentation.

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