In the world of web servers, NginX has emerged as a robust, high-performance option, powering some of the most trafficked sites on the internet. It’s praised for its scalability and its myriad of features, which allow for fine-tuned optimization. One such feature is the sendfile directive, a parameter within NginX’s configuration that can significantly affect… Read more »
ZFS failed to read pad2 area of primary vdev
Friday, September 8, 2023
There are number of issues that can lead to this error when trying to boot a FreeBSD server with ZFS as root / zroot: ZFS failed to read pad2 area of primary vdev There can be a few reasons for this error, but check these in order: “Phantom” Pool: Make sure you haven’t added any… Read more »
FreeBSD OS Update Mirroring (freebsd-update)
Monday, August 21, 2023
Currently there is unfortunately no official way to mirror the OS updates that the freebsd-update downloads, however we have just open sourced our tool, free for anyone to use! See and get the tool on GitHub here: https://github.com/ateamsystems/freebsd-update-mirroring This, in conjunction with a web server such as NginX, will allow you to locally mirror the… Read more »
FreeBSD vs OpenBSD: Which is Right for You?
Wednesday, March 23, 2022
FreeBSD vs OpenBSD: Which is Right for You? FreeBSD vs OpenBSD. Which is more secure? Which is faster? Which is generally superior? Both have their strengths and weaknesses, and both appeal to different audiences depending on needs. Our open-source experts sat down to cover some of the major differences between these two platforms in order… Read more »
FreeBSD vs Linux: Which Open Source OS is Superior?
Wednesday, September 1, 2021
FreeBSD vs Linux: Which Open Source OS is Superior? FreeBSD vs Linux, which is superior? The answer isn’t so simple. Both have their strengths and weaknesses and the solution isn’t one-size-fits-all. Our experts at A-Team Systems have decades of experience working with both. So, we’re going to lay out the advantages and disadvantages to help… Read more »
Intro to FreeBSD: Learn What it is and How it Works
Tuesday, August 17, 2021
If you’re new to FreeBSD, you probably have a lot of questions. It’s a sophisticated system that takes time and practice to get familiar with. Fortunately, the experts at A-Team Systems have decades of experience with open-source systems, including FreeBSD! We put together this all-encompassing guide to help you learn the fundamentals of this dynamic… Read more »
SOLVED: linker_load_file: /boot/modules/openzfs.ko – unsupported file type
Tuesday, June 15, 2021
While trying to recover and upgrade a FreeBSD install we ran into an issue where the kernel loader would hang when loading openzfs.ko: linker_load_file: /boot/modules/openzfs.ko – unsupported file type In this case /boot/loader.conf had auto-importing enabled via this: vfs.zfs.autoimport_disable=0 The default is 1, or disable auto import, since at least 2014 according to this commit.… Read more »
SOLVED: FreeBSD nfsv4 client/server protocol prob err=10026
Wednesday, April 21, 2021
While working with high-load and high-lock contention NFSv4 with FreeBSD as the NFS client you may see this error and have the NFS mount hang: nfsv4 client/server protocol prob err=10026 Make sure your mount parameters do *not* include the intr keyword, per this PR: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=178231. We found this was especially true when using NFS appliances… Read more »
SOLVED: FreeBSD 12.2 ZFS: can only boot from disk, mirror, raidz1, raidz2, and raidz3 vdevs
Tuesday, February 16, 2021
After upgrading a file server to FreeBSD 12.2 this last week we ran into an interesting issue where the boot loader immediately errored with the following message: ZFS: can only boot from disk, mirror, raidz1, raidz2, and raidz3 vdevs vdev_init_from-nvlist: 5 It seemed to be a similar issue to this: https://reviews.freebsd.org/D20319 but not quite the… Read more »
SSH Pipe Speed 48 KB/sec FreeBSD 12 PF
Monday, February 24, 2020
We recently ran into an issue after upgrading a server from FreeBSD 11.2 to 12.1 where throughput via SSH pipes would crash to 48 KB/sec almost instantly after starting. The odd thing was scp (which uses SSH) was not affected. After ruling out Internet and remote host issues we discovered that the PF rule was… Read more »