https://wiki.naptastic.com/ 2026-05-03T10:02:18+00:00 https://wiki.naptastic.com/ https://wiki.naptastic.com/lib/tpl/mantinedoku/images/favicon.ico text/html 2024-03-05T16:34:32+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.naptastic.com/nndocs/a770?rev=1709656472&do=diff Start Ubuntu Server 22.04, normal (not minimal) install. Main drive has 4k sectors, so grub is EFI. The environment might have some Infiniband-related pollution. It shouldn't matter. I run things as root so I don't have to | sudo tee and other such nonsense. text/html 2024-08-23T16:02:24+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.naptastic.com/nndocs/ata-over-ethernet?rev=1724428944&do=diff ATA Over Ethernet (script for YouTube video?) or Perfect vs. Good: A Fight to the Death Preface (maybe doesn't belong in this video?) A few months ago I had to move suddenly and put my lab into storage. Where I moved, there was basic WiFi, and nowhere to set up a desktop. My web services were offline for weeks and I got pretty discouraged. Now I've got an opportunity to set it all up again, and enough people have expressed interest, I'm going to document and publish the whole process, or try… text/html 2025-07-15T17:41:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.naptastic.com/nndocs/btrfs?rev=1752601273&do=diff BTRFS Never Use Parity Raid, EVER. Make a subvolume ro/rw btrfs property set -ts /path/to/snapshot ro (true|false) text/html 2025-11-04T21:54:15+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.naptastic.com/nndocs/duckling-rebuild?rev=1762293255&do=diff 2025-11-04 I've just replaced the PSU. Duckling has a 500 GB SSD. The plan is: * Debian Trixie * Pay close attention to what gets installed; if I `apt install` something, I need to write it down here. * Pay close attention to configuration changes; mostly, I want to make them to all of my systems. text/html 2025-01-12T01:59:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.naptastic.com/nndocs/fibre-channel?rev=1736647196&do=diff Fibre Channel All the lab hardware is Qlogic 2562, 2564, or 2662. There isn't a switch, so everything is point-to-point. Put this in /etc/modprobe.d/qla2xxx.conf: options qla2xxx qlini_mode=exclusive This allows dual-port cards to be targets (T) and initiators (I) simultaneously. To ensure targets don't get plugged into targets and initiators into initiators, I've adopted these conventions: text/html 2025-01-11T18:55:04+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.naptastic.com/nndocs/hosts?rev=1736621704&do=diff hostname * Host number # * Motherboard * CPU * RAM * GPU * Network * Storage * Anything special? shark * Host number 12 * Gigabyte Aorus x470 Gaming 7 Wifi * AMD Ryzen 5 5600 X3D * 64 GiB DDR4-3200 * Intel ARC A770 Graphics text/html 2025-11-08T03:09:55+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.naptastic.com/nndocs/infiniband?rev=1762571395&do=diff InfiniBand Configuration is a real pain. On my Debian hosts, it's all in /etc/rc.local, which is gross. I haven't figured out how to do it on Ubuntu, since Netplan apparently has support for vxlan and IP over IB (IPoIB) now, I think. We'll get there text/html 2026-04-01T22:21:52+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.naptastic.com/nndocs/initial?rev=1775082112&do=diff Naptastic Network Playbook Partition drives Partitioning: The most recent rebuild was shark, for which I took Debian's default EFI setup for the 2TB OS drive. I only changed / to BTRFS instead of ext4. Debian installs itself to a subvolume named @root and makes that subvolume the default, so it's ready for snapshotting backups. text/html 2025-01-03T02:32:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.naptastic.com/nndocs/iscsi?rev=1735871549&do=diff TODO: Explain why I don't have iSCSI boot working yet, please Target File as a backstore this time targetcli > /backstores/fileio/ create file_or_dev=/var/lib/libvirt/images/sunday.img name=sunday Creating a target is easy > /iscsi/ create replace the default portal: text/html 2025-10-23T03:07:17+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.naptastic.com/nndocs/lad?rev=1761188837&do=diff First, you must create the universe... I use this guide in its current form on Debian Bookworm. The host needs to be provisioned “The Naptastic Way” already. Start with the essentials. * sudo apt -y install ncurses-dev build-essential automake cmake subversion git libogg-dev alsa-tools alsa-tools-gui rtirq-init text/html 2024-09-17T13:51:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.naptastic.com/nndocs/lamp?rev=1726581067&do=diff First, create the Universe... In this guide, I'm just gonna do everything as root unless otherwise specified. Install Debian, following the Naptastic Initial guide. During the install process: * De-select Graphical Desktop Environment and Laptop. * Select Web Server, SQL Database, and SSH server. text/html 2023-12-26T03:25:03+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.naptastic.com/nndocs/mellanox?rev=1703561103&do=diff ethtool -p Still works on Ubuntu 20.04 but only with the FCBT cards and only in Ethernet mode. (Do I say “fuck it” and run ancient shit on the HV, then SR-IOV everything to newer operating systems...?) Here is an Intel 100gbE transceiver that is text/html 2025-10-26T23:45:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.naptastic.com/nndocs/nvme-of?rev=1761522331&do=diff The goal is to run everything over RDMA (InfiniBand specifically) and maybe have TCP as a fallback. (If TCP, then I probably want to try VMA... which I don't want to do.) Target NVMe calls targets “subsystems”. Good for them. Create the subsystem: text/html 2025-12-26T04:29:21+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.naptastic.com/nndocs/sandbox?rev=1766723361&do=diff Trixie To Do The upgrade from Bookworm to Trixie suggests I should remove support for these filesystems: affs, ecryptfs, efs, hfs, hfsplus, jffs2, jfs, qnx6, sysv. Initial: install libvirt-daemon-system to (probably) get the HV configured the way I expect it. text/html 2011-10-06T18:17:19+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.naptastic.com/nndocs/soundsystem?rev=1317925039&do=diff Overview The Legendary Sound System consists mainly of a highly developed, highly configurable PA system, which can be run on car batteries (optionally tied to a car's electrical system) or on wall-powered amplifiers. Also listed on this page are hardware and software for making music in my possession. text/html 2025-12-25T00:51:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.naptastic.com/nndocs/srp?rev=1766623891&do=diff targetcli-fb * it needs to be turned on in the kernel. drivers -> Infiniband -> SRP * turn on both target and initiator please * in targetcli, /srpt is the relevant path * targets are formatted like ib.fe80000000000000f4521403002c18b1 * idk how you get those numbers except to examine an ipoib link, such as: text/html 2025-04-15T23:12:54+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.naptastic.com/nndocs/zfs?rev=1744758774&do=diff ZFS * What's up with the license? * When I build a pool, I do it like fneh, because nuh. southpark has a pool. It didn't import on reboot last time. Running zpool import said this: pool: truck id: 8737779541983814093 state: ONLINE action: The pool can be imported using its name or numeric identifier. config: truck ONLINE raidz1-0 ONLINE wwn-0x50014ee20ff6efda ONLINE wwn-0x5000c50050…