ZFS

x8dtu

NOTE: this post has been replaced by a newer version. The older post is still available This is x8dtu (named after the Supermicro motherboard). This will be the new FreshPorts server. In short: FreeBSD 11 booting off a mirrored pair of zfsroot SSDs 4.5TB of mirrored ZFS 196612 MB of RAM (yeah, that’s 196GB of […]

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Adding a failed HDD back into a ZFS mirror

I do have a FreeBSD-11 box, cuppy: $ uname -a FreeBSD cuppy.int.unixathome.org 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r279394: Sat Feb 28 21:01:21 UTC 2015 dan@cuppy.unixathome.org:/usr/obj/usr/src/sys/GENERIC amd64 $ That box is used mostly for testing and/or erasing DLT tapes. The current status of that box is not healthy. It’s running fine, but it is not optimal: Let’s

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Added new drive when existing one gave errors, then zpool replace

In this post, I am working with FreeBSD 10.2 on this server. Over the past few days, a 3 year old drive has been giving errors. The number of errors has been constant, but I have a spare drive here, so I decided to replace it. I have verified that it is out of warranty.

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smartd: Device: /dev/ada0, 8 Currently unreadable (pending) sectors persists

That smartd: Device: /dev/ada0, 8 Currently unreadable (pending) sectors problem which arose on Sunday is still around. I’ve run a short test, a long test, and a ZFS scrub is now underway. I may just replace the drive. $ sudo smartctl -P show /dev/ada0 smartctl 6.4 2015-06-04 r4109 [FreeBSD 10.2-RELEASE-p9 amd64] (local build) Copyright (C)

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Using a Dell TL4000 with Bacula’s bacula-sd on FreeBSD with ZFS

Last night, I managed to install new (but used) SAS cables for my Dell TL4000 on the tape01 server. I managed to get bacula-sd running, but I was unable to communicate with it from bacula-dir, via bconsole on my laptop. Eventually, I ran bacula-sd from the command line in the foreground and with debugging and

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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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