May 29th, 2020 | 52 mins 9 secs
a cloud guru, anaconda, benchmarking, blivet, block size, centos, chunk, copy-on-write, dash to dock, devops, dkms, dnf, earlyoom, fedora, fedora 32, fedora workstation, filesystem, fuse, gnome, hard drive, hdd, iops, jupiter broadcasting, linux, lts, matthew miller, oom, openzfs, parity, ppa, raid, raid6, raidz, red hat, rolling release, spindle count, ssd, storage, sysadmin podcast, systemd, techsnap, throughput, ubuntu, vdev, wayland, x11, zfs, zpool
It's a storage showdown as Jim and Wes bust some performance myths about RAID and ZFS.
May 1st, 2020 | 36 mins
7fx2, a cloud guru, amd, backups, benchmarking, bgp, cloudflare, cpu, cron, cryptography, data integrity, devops, email, energy efficiency, epyc, fio, hard disk performance, hard drive, intel, internet, iops, iron wolf, isbgpsafeyet, jupiter broadcasting, md-raid, monitoring, networking, per-core performance, raid, raid-10, raid-5, raid-6, raidz, raidz2, route leak, routing, rpki, seagate, security, storage, sysadmin podcast, systemd, systemd timers, tdp, techsnap, threadripper, zfs
We dive deep into the world of RAID, and discuss how to choose the right topology to optimize performance and resilience.
April 3rd, 2020 | 31 mins 17 secs
a cloud guru, andoird, block device, cloudfare, crypto, debian, device mapper, devops, dm-crypt, dm-zoned, encryption, exfat, filesystems, firmware, free software, fud, google, jupiter broadcasting, kernel module, linux 5.6, microsoft, networking, ntfs, ntfs-3g, nvme, open source, paragon software, raid, samba, samsung, seagate, security, shingled magnetic recording, smb, smr, ssd, sysadmin podcast, techsnap, ubuntu, western digital, windows, wireguard, zfs, zoned storage, zonefs
We take a look at Cloudflare's impressive Linux disk encryption speed-ups, and explore how zoned storage tools like dm-zoned and zonefs might help mitigate the downsides of Shingled Magnetic Recording.
March 20th, 2020 | 32 mins 53 secs
20.04, a cloud guru, acme, amd, apt, atx12vo, automation, battery life, boulder, caa, canonical, computer hardware, cpu, devops, dns, electronics, freenas, fusion pools, gaming, go, gpu, graphics, https, integrated graphics, intel, ixsystems, jupiter broadcasting, laptop, lenovo, let's encrypt, linux academy, mobile processors, motherboard, power supply, psu, ryzen, ryzen 4000, ryzen mobile, sanoid, snapshots, storage, sysadmin podcast, techsnap, tls, truenas, truenas core, ubuntu, zfs, zsys
We take a look at AMD's upcoming line of Ryzen 4000 mobile CPUs, and share our first impressions of Ubuntu 20.04's approach to ZFS on root.
February 21st, 2020 | 29 mins 36 secs
18.04, 18.04.4, a cloud guru, arc, benchmarks, cache, caching, clear linux, clear linux os, devops, filesystems, hamr, hard drives, hardware enablement, hdd, intel, jupiter broadcasting, l2arc, latency, linux, linux academy, linux desktop, lru, lts, maintenance release, mamr, microsoft, mobaxterm, performance, seagate, smr, storage, swupd, sysadmin podcast, techsnap, throughput, ubuntu, western digital, wifi, windows, wsl, zfs, zfs on linux, zol
We explore the potential of heat-assisted magnetic recording and get excited about a possibly persistent L2ARC.
November 15th, 2019 | 27 mins 56 secs
archival, business, chromium, cloud key, cold storage, communication, devops, glass, jupiter broadcasting, linux, long term storage, microsoft, microsoft edge, microsoft ignite, open source, optical media, optical storage, parity, project silica, security camera, superman, techsnap, telemetry, the mote in god's eye, ubiquiti, unifi, unifi controller, video, wifi, zfs
Ubiquiti's troublesome new telemetry, Jim's take on the modern Microsoft, and why Project Silica just might be the future of long term storage.
October 18th, 2019 | 42 mins 27 secs
19.10, 2g, 5.3, amazon sidewalk, backups, boot environments, btrfs, canonical, copy on write, data integrity, devops, eoan, freebsd, google wifi, jupiter broadcasting, lora, lorawan, low bandwidth, mesh wifi, nest wifi, rf chirp, sigfox, snapshots, spread spectrum, surefi, techsnap, tp-link, ubuntu, unifi, wifi, wireless, wireless networking, zfs, zsys
We dive into Ubuntu 19.10's experimental ZFS installer and share our tips for making the most of ZFS on root.
July 26th, 2019 | 35 mins 13 secs
agc, ai, apollo, apollo anniversary, apollo guidance computer, arc, caching, chris siebenmann, cloud, core rope, dancing demon, devops, floating point, fpu, intel, kernel module, kvm, loihi, machine learning, magnetic core, margaret hamilton, memory, nasa, neural networks, neuromorphic computing, openzfs, page cache, pohoiki, punch cards, qcow, qcow2, qemu, retro computing, simd, snapshots, sysadmin, techsnap, text adventure, trs-80, vhd, virtualization, zfs, zfs on linux, zol
We take a look at the amazing abilities of the Apollo Guidance Computer and Jim breaks down everything you need to know about the ZFS ARC.
June 23rd, 2019 | 43 mins 33 secs
backdoor, crypto, cryptocurrency, device removal, devops, dram, ecc, encryption, firefox, freebsd, linux, memory, mozilla, mss, networking, openzfs, ping of death, ram, rambleed, raw send, rowhammer, sack panic, sandbox, sandbox escape, security, ssd, targeted attack, tcp, techsnap, trim, zero day, zfs
A new vulnerability may be the next 'Ping of Death'; we explore the details of SACK Panic and break down what you need to know.
April 25th, 2019 | 31 mins 33 secs
atomic, atomic snapshot, copy on write, crash consistent, cron, data integrity, devops, filesystems, functional filesystem, linked list, openzfs, policy based, replication, rsync, sanoid, snapshot management, snapshots, syncoid, sysadmin podcast, techsnap, toml, warstories, zfs, zfs on linux, zol
We continue our take on ZFS as Jim and Wes dive in to snapshots, replication, and the magic on copy on write.