It&#39;s a storage showdown as Jim and Wes bust some performance myths about RAID and ZFS.

Plus our favorite features from Fedora 32, and why Wes loves DNF.Links:<ul><li><a href="https://fedoramagazine.org/whats-new-fedora-32-workstation/" title="What's new in Fedora 32 Workstation" rel="nofollow">What's new in Fedora 32 Workstation</a>
</li><li><a href="https://fedoraproject.org/wiki/Releases/32/ChangeSet" title="Fedora 32 ChangeSet" rel="nofollow">Fedora 32 ChangeSet</a>
</li><li><a href="https://arstechnica.com/gadgets/2020/05/linux-distro-review-fedora-workstation-32/" title="Linux distro review: Fedora Workstation 32" rel="nofollow">Linux distro review: Fedora Workstation 32</a>
</li><li><a href="https://techsnap.systems/428" title="TechSNAP 428: RAID Reality Check" rel="nofollow">TechSNAP 428: RAID Reality Check</a>
</li><li><a href="https://arstechnica.com/gadgets/2020/05/zfs-versus-raid-eight-ironwolf-disks-two-filesystems-one-winner/" title="ZFS versus RAID: Eight Ironwolf disks, two filesystems, one winner" rel="nofollow">ZFS versus RAID: Eight Ironwolf disks, two filesystems, one winner</a>
</li><li><a href="https://arstechnica.com/information-technology/2020/04/understanding-raid-how-performance-scales-from-one-disk-to-eight/" title="Understanding RAID: How performance scales from one disk to eight" rel="nofollow">Understanding RAID: How performance scales from one disk to eight</a>
</li><li><a href="https://2.5admins.com/" title="Find Jim on 2.5 Admins" rel="nofollow">Find Jim on 2.5 Admins</a></li><li><a href="https://linuxunplugged.com/" title="Find Wes on LINUX Unplugged" rel="nofollow">Find Wes on LINUX Unplugged</a></li><li><a href="https://www.youtube.com/watch?v=n7La9Z-XrCE" title="TechSNAP 1: First episode of TechSNAP (in 2011!)" rel="nofollow">TechSNAP 1: First episode of TechSNAP (in 2011!)</a>
</li><li><a href="https://www.jupiterbroadcasting.com/106026/2089-days-uptime-techsnap-300/" title="TechSNAP 300: End of the Allan and Chris era (2017)" rel="nofollow">TechSNAP 300: End of the Allan and Chris era (2017)</a>
</li><li><a href="https://www.jupiterbroadcasting.com/106086/the-next-generation-techsnap-301/" title="TechSNAP 301: Enter Dan and Wes " rel="nofollow">TechSNAP 301: Enter Dan and Wes </a>
</li><li><a href="https://www.jupiterbroadcasting.com/120317/a-farewell-to-dan-techsnap-347/" title="TechSNAP 347: A Farewell to Dan" rel="nofollow">TechSNAP 347: A Farewell to Dan</a>
</li><li><a href="https://www.jupiterbroadcasting.com/120687/server-neglect-techsnap-348/" title="TechSNAP 348: Chris is back!" rel="nofollow">TechSNAP 348: Chris is back!</a>
</li><li><a href="https://www.jupiterbroadcasting.com/128101/the-future-of-http-techsnap-389/" title="TechSNAP 389: Jim's first time as a guest" rel="nofollow">TechSNAP 389: Jim's first time as a guest</a>
</li><li><a href="https://techsnap.systems/390" title="TechSNAP 390: Jim's second guest appearance" rel="nofollow">TechSNAP 390: Jim's second guest appearance</a>
</li><li><a href="https://www.jupiterbroadcasting.com/128656/back-to-our-roots-techsnap-393/" title="TechSNAP 393: Chris says goodbye" rel="nofollow">TechSNAP 393: Chris says goodbye</a>
</li><li><a href="https://www.jupiterbroadcasting.com/128941/the-acme-era-techsnap-395/" title="TechSNAP 395: Jim joins the show" rel="nofollow">TechSNAP 395: Jim joins the show</a>
</li></ul>

<description>It's a storage showdown as Jim and Wes bust some performance myths about RAID and ZFS.
Plus our favorite features from Fedora 32, and why Wes loves DNF. 
</description>

It's a storage showdown as Jim and Wes bust some performance myths about RAID and ZFS.

430: All Good Things

Jim and Wes take the latest release of the Caddy web server for a spin, investigate Intel&#39;s Comet Lake desktop CPUs, and explore the fight over 5G between the US Military and the FCC.Links:<ul><li><a href="https://arstechnica.com/gadgets/2020/05/caddy-offers-tls-https-and-more-in-one-dependency-free-go-web-server/" title="Caddy offers TLS, HTTPS, and more in one dependency-free Go Web server" rel="nofollow">Caddy offers TLS, HTTPS, and more in one dependency-free Go Web server</a>
</li><li><a href="https://caddyserver.com/v2" title="Caddy 2" rel="nofollow">Caddy 2</a>
</li><li><a href="https://github.com/caddyserver/caddy/wiki/v2:-Improvements" title="Caddy v2 Improvements [slightly out of date]" rel="nofollow">Caddy v2 Improvements [slightly out of date]</a></li><li><a href="https://github.com/caddyserver/caddy/issues/2786" title="Proposal: Permanently change all proprietary licensing to open source · Issue #2786 · caddyserver/caddy" rel="nofollow">Proposal: Permanently change all proprietary licensing to open source · Issue #2786 · caddyserver/caddy</a>
</li><li><a href="https://github.com/caddyserver/caddy/pull/1866" title="Revert "Implement Caddy-Sponsors HTTP response header" by lol768 · Pull Request #1866 · caddyserver/caddy" rel="nofollow">Revert "Implement Caddy-Sponsors HTTP response header" by lol768 · Pull Request #1866 · caddyserver/caddy</a>
</li><li><a href="https://arstechnica.com/gadgets/2020/05/intels-comet-lake-desktop-cpus-are-here/" title="Intel’s 10th generation desktop CPUs have arrived—still on 14nm" rel="nofollow">Intel’s 10th generation desktop CPUs have arrived—still on 14nm</a>
</li><li><a href="https://www.pcgamer.com/intel-comet-lake-release-date-specs-performance/" title="Intel Comet Lake 10th Gen CPU release date, specs, price, and performance" rel="nofollow">Intel Comet Lake 10th Gen CPU release date, specs, price, and performance</a>
</li><li><a href="https://www.intel.com/content/www/us/en/products/docs/processors/core/10th-gen-core-desktop-brief.html" title="10th Gen Intel® Core™ Desktop Processors" rel="nofollow">10th Gen Intel® Core™ Desktop Processors</a>
</li><li><a href="https://arstechnica.com/tech-policy/2020/05/millions-of-gps-devices-at-risk-from-fcc-approved-5g-network-military-says/" title="US military is furious at FCC over 5G plan that could interfere with GPS" rel="nofollow">US military is furious at FCC over 5G plan that could interfere with GPS</a>
</li><li><a href="https://www.cnet.com/news/the-pentagons-fight-to-kill-ligados-5g-network/" title="The Pentagon's fight to kill Ligado's 5G network" rel="nofollow">The Pentagon's fight to kill Ligado's 5G network</a>
</li><li><a href="https://www.fcc.gov/document/fcc-approves-ligado-l-band-application-facilitate-5g-iot" title="FCC Approves Ligado L-Band Application to Facilitate 5G & IoT" rel="nofollow">FCC Approves Ligado L-Band Application to Facilitate 5G & IoT</a>
</li></ul>

<description>Jim and Wes take the latest release of the Caddy web server for a spin, investigate Intel's Comet Lake desktop CPUs, and explore the fight over 5G between the US Military and the FCC. 
</description>

Jim and Wes take the latest release of the Caddy web server for a spin, investigate Intel's Comet Lake desktop CPUs, and explore the fight over 5G between the US Military and the FCC.

429: Curious About Caddy

We dive deep into the world of RAID, and discuss how to choose the right topology to optimize performance and resilience.

Plus Cloudflare steps up its campaign to secure BGP, and why you might want to trade in cron for systemd timers.Links:<ul><li><a href="https://www.tomshardware.com/news/amd-worlds-fastest-processor-epyc-rome-7fx2-cpus" title="AMD Claims World’s Fastest Per-Core Performance with New EPYC Rome 7Fx2 CPUs" rel="nofollow">AMD Claims World’s Fastest Per-Core Performance with New EPYC Rome 7Fx2 CPUs</a>
</li><li><a href="https://www.phoronix.com/scan.php?page=article&item=amd-epyc-7f52&num=1" title="AMD EPYC 7F52 Linux Performance - AMD 7FX2 CPUs Further Increasing The Fight Against Intel Xeon Review" rel="nofollow">AMD EPYC 7F52 Linux Performance - AMD 7FX2 CPUs Further Increasing The Fight Against Intel Xeon Review</a>
</li><li><a href="https://arstechnica.com/information-technology/2020/04/understanding-raid-how-performance-scales-from-one-disk-to-eight/" title="Understanding RAID: How performance scales from one disk to eight" rel="nofollow">Understanding RAID: How performance scales from one disk to eight</a>
</li><li><a href="https://arstechnica.com/information-technology/2020/04/new-cloudflare-tool-can-tell-you-if-your-isp-has-deployed-bgp-fixes/" title="New Cloudflare tool can tell you if your ISP has deployed BGP fixes" rel="nofollow">New Cloudflare tool can tell you if your ISP has deployed BGP fixes</a>
</li><li><a href="https://isbgpsafeyet.com/" title="Is BGP safe yet?" rel="nofollow">Is BGP safe yet?</a>
</li><li><a href="https://blog.cloudflare.com/rpki/" title="RPKI - The required cryptographic upgrade to BGP routing" rel="nofollow">RPKI - The required cryptographic upgrade to BGP routing</a>
</li><li><a href="https://trstringer.com/systemd-timer-vs-cronjob/" title="Why I Prefer systemd Timers Over Cron – Thomas Stringer" rel="nofollow">Why I Prefer systemd Timers Over Cron – Thomas Stringer</a>
</li><li><a href="https://wiki.archlinux.org/index.php/Systemd/Timers" title="systemd/Timers - ArchWiki" rel="nofollow">systemd/Timers - ArchWiki</a>
</li><li><a href="https://www.freedesktop.org/software/systemd/man/systemd.time.html" title="systemd.time (Time format docs)" rel="nofollow">systemd.time (Time format docs)</a>
</li><li><a href="https://www.freedesktop.org/software/systemd/man/systemd.timer.html" title="systemd.timer (Unit docs)" rel="nofollow">systemd.timer (Unit docs)</a>
</li></ul>

<description>We dive deep into the world of RAID, and discuss how to choose the right topology to optimize performance and resilience.
Plus Cloudflare steps up its campaign to secure BGP, and why you might want to trade in cron for systemd timers. 
</description>

We dive deep into the world of  RAID, and discuss how to choose the right topology to optimize performance and resilience.

428: RAID Reality Check

Jim finally gets his hands on an AMD Ryzen 9 laptop, some great news about Wi-Fi 6e, and our take on FreeBSD on the desktop.

Plus Intel&#39;s surprisingly overclockable laptop CPU, why you shouldn&#39;t freak out about 5G, and the incredible creativity of the Demoscene.Links:<ul><li><a href="https://arstechnica.com/gadgets/2020/04/asus-rog-zephyrus-g14-ryzen-7nm-mobile-is-here-and-its-awesome/" title="Asus ROG Zephyrus G14—Ryzen 7nm mobile is here, and it’s awesome" rel="nofollow">Asus ROG Zephyrus G14—Ryzen 7nm mobile is here, and it’s awesome</a></li><li><a href="https://arstechnica.com/gadgets/2020/04/linux-on-laptops-asus-zephyrus-g14-with-ryzen-9-4900hs/" title="Linux on Laptops: ASUS Zephyrus G14 with Ryzen 9 4900HS" rel="nofollow">Linux on Laptops: ASUS Zephyrus G14 with Ryzen 9 4900HS</a></li><li><a href="https://arstechnica.com/gadgets/2020/04/intels-10th-generation-h-series-laptop-cpus-break-5-ghz/" title="Intel’s 10th-generation H-series laptop CPUs break 5GHz | Ars Technica" rel="nofollow">Intel’s 10th-generation H-series laptop CPUs break 5GHz | Ars Technica</a></li><li><a href="https://arstechnica.com/gadgets/2020/04/fcc-will-vote-on-rules-for-1-2ghz-of-new-wi-fi-6e-spectrum-on-april-23/" title="Wi-Fi 6E becomes official—the FCC will vote on rules this month" rel="nofollow">Wi-Fi 6E becomes official—the FCC will vote on rules this month</a></li><li><a href="https://arstechnica.com/science/2020/04/in-the-uk-pandemic-panic-has-people-burning-cell-phone-towers/" title="Celebs share rumors linking 5G to coronavirus, nutjobs burn cell towers" rel="nofollow">Celebs share rumors linking 5G to coronavirus, nutjobs burn cell towers</a></li><li><a href="https://arstechnica.com/gadgets/2020/04/not-actually-linux-distro-review-freebsd-12-1-release/" title="Not-actually Linux distro review: FreeBSD 12.1-RELEASE" rel="nofollow">Not-actually Linux distro review: FreeBSD 12.1-RELEASE</a></li><li><a href="https://arstechnica.com/gadgets/2020/04/not-actually-linux-distro-review-deux-ghostbsd/" title="Not actually Linux distro review deux: GhostBSD" rel="nofollow">Not actually Linux distro review deux: GhostBSD</a></li><li><a href="https://en.wikipedia.org/wiki/MOD_(file_format)" title="MOD (file format) - Wikipedia" rel="nofollow">MOD (file format) - Wikipedia</a></li><li><a href="https://www.youtube.com/watch?v=UspabZp09_Q" title="AT&T.MOD (YouTube)" rel="nofollow">AT&T.MOD (YouTube)</a></li><li><a href="https://www.youtube.com/watch?v=RDDkGZWkEn0" title="DJ Moses Rising—Ice Cream Trance (YouTube)" rel="nofollow">DJ Moses Rising—Ice Cream Trance (YouTube)</a></li><li><a href="https://www.youtube.com/watch?v=Y3n3c_8Nn2Y" title="Farbrausch—The Product (64K Intro, 2000)" rel="nofollow">Farbrausch—The Product (64K Intro, 2000)</a></li><li><a href="https://www.youtube.com/watch?v=gNOJhEX9YT0" title="Farbrausch—Poem to a Horse (64K Intro, 2002)" rel="nofollow">Farbrausch—Poem to a Horse (64K Intro, 2002)</a></li><li><a href="http://demoscene-the-art-of-coding.net/2020/04/15/breakthrough-finland-accepts-demoscene-on-their-national-list-of-intangible-cultural-heritage-of-humanity/" title="Finland accepts the Demoscene on its national UNESCO list of intangible cultural heritage of humanity" rel="nofollow">Finland accepts the Demoscene on its national UNESCO list of intangible cultural heritage of humanity</a></li></ul>

<description>Jim finally gets his hands on an AMD Ryzen 9 laptop, some great news about Wi-Fi 6e, and our take on FreeBSD on the desktop.
Plus Intel's surprisingly overclockable laptop CPU, why you shouldn't freak out about 5G, and the incredible creativity of the Demoscene. 
</description>

Jim finally gets his hands on an AMD Ryzen 9 laptop, some great news about Wi-Fi 6e, and our take on FreeBSD on the desktop.

427: Gigahertz Games

We take a look at Cloudflare&#39;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. 

Plus we celebrate WireGuard&#39;s inclusion in the Linux 5.6 kernel, and fight some exFAT FUD.Links:<ul><li><a href="https://arstechnica.com/gadgets/2020/03/wireguard-vpn-makes-it-to-1-0-0-and-into-the-next-linux-kernel/" title="WireGuard VPN makes it to 1.0.0—and into the next Linux kernel" rel="nofollow">WireGuard VPN makes it to 1.0.0—and into the next Linux kernel</a> &mdash; It's a good day for WireGuard users—DKMS builds will soon be behind us.
</li><li><a href="https://www.phoronix.com/scan.php?page=article&item=linux-56-features&num=1" title="Linux 5.6 Is The Most Exciting Kernel In Years With So Many New Features" rel="nofollow">Linux 5.6 Is The Most Exciting Kernel In Years With So Many New Features</a></li><li><a href="https://lwn.net/Articles/793585/" title="fs: New zonefs file system" rel="nofollow">fs: New zonefs file system</a> &mdash; zonefs is a very simple file system exposing each zone of a zoned block device as a file. This is intended to simplify implementation of application zoned block device raw access support by allowing switching to the well known POSIX file API rather than relying on direct block device file ioctls and read/write.</li><li><a href="https://blog.westerndigital.com/zonefs-file-system-linux-5-6/" title="Ama-ZNS! Zonefs File-System Will Land with Linux® 5.6" rel="nofollow">Ama-ZNS! Zonefs File-System Will Land with Linux® 5.6</a></li><li><a href="https://blog.westerndigital.com/what-is-zoned-storage-initiative/" title="What is Zoned Storage and the Zoned Storage Initiative?" rel="nofollow">What is Zoned Storage and the Zoned Storage Initiative?</a> &mdash; Zoned Storage is a new paradigm in storage motivated by the incredible explosion of data. Our data-driven society is increasingly dependent on data for every-day life and extreme scale data management is becoming a necessity. </li><li><a href="https://www.zonedstorage.io/introduction/linux-support/" title="Linux Kernel Support - ZonedStorage.io" rel="nofollow">Linux Kernel Support - ZonedStorage.io</a></li><li><a href="https://www.kernel.org/doc/html/latest/admin-guide/device-mapper/dm-zoned.html" title="dm-zoned" rel="nofollow">dm-zoned</a> &mdash; The dm-zoned device mapper target exposes a zoned block device as a regular block device.</li><li><a href="https://zonedstorage.io/linux/dm/#dm-zoned" title="Device Mapper - ZonedStorage.io" rel="nofollow">Device Mapper - ZonedStorage.io</a></li><li><a href="https://www.synology.com/en-us/knowledgebase/DSM/tutorial/Storage/PMR_SMR_hard_disk_drives" title=" What are PMR and SMR hard disk drives?" rel="nofollow"> What are PMR and SMR hard disk drives?</a></li><li><a href="https://zfsonlinux.topicbox.com/groups/zfs-discuss/T759a10612888a9d9-Me469c98023e1a2cb059f9391/beware-of-smr-drives-in-pmr-clothing" title="Beware of SMR drives in PMR clothing" rel="nofollow">Beware of SMR drives in PMR clothing</a> &mdash; WD and Seagate are both submarining Drive-managed SMR (DM-SMR) drives into channels, disguised as "normal" drives.</li><li><a href="https://www.reddit.com/r/zfs/comments/frsic7/beware_of_smr_drives_in_pmr_clothing/" title="Beware of SMR drives in PMR clothing [Reddit]" rel="nofollow">Beware of SMR drives in PMR clothing [Reddit]</a></li><li><a href="https://arstechnica.com/information-technology/2020/03/the-exfat-filesystem-is-coming-to-linux-paragon-softwares-not-happy-about-it/" title="The exFAT filesystem is coming to Linux—Paragon software’s not happy about it" rel="nofollow">The exFAT filesystem is coming to Linux—Paragon software’s not happy about it</a> &mdash; When software and operating system giant Microsoft announced its support for inclusion of the exFAT filesystem directly into the Linux kernel back in August, it didn't get a ton of press coverage. But filesystem vendor Paragon Software clearly noticed this month's merge of the Microsoft-approved, largely Samsung-authored version of exFAT into the VFS for-next repository, which will in turn merge into Linux 5.7—and Paragon doesn't seem happy about it.</li><li><a href="https://www.phoronix.com/scan.php?page=news_item&px=New-exFAT-For-Linux-5.7" title="The New Microsoft exFAT File-System Driver Is Set To Land With Linux 5.7" rel="nofollow">The New Microsoft exFAT File-System Driver Is Set To Land With Linux 5.7</a></li><li><a href="https://blog.cloudflare.com/speeding-up-linux-disk-encryption/" title="Speeding up Linux disk encryption - The Cloudflare Blog" rel="nofollow">Speeding up Linux disk encryption - The Cloudflare Blog</a> &mdash; Encrypting data at rest is vital for Cloudflare with more than 200 data centres across the world. In this post, we will investigate the performance of disk encryption on Linux and explain how we made it at least two times faster for ourselves and our customers.</li><li><a href="https://github.com/cloudflare/linux/blob/master/patches/0023-Add-DM_CRYPT_FORCE_INLINE-flag-to-dm-crypt-target.patch" title="Add inline dm-crypt patch and xtsproxy Crypto API patch" rel="nofollow">Add inline dm-crypt patch and xtsproxy Crypto API patch</a></li></ul>

<description>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. 
Plus we celebrate WireGuard's inclusion in the Linux 5.6 kernel, and fight some exFAT FUD. 
</description>

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.

426: Storage Stories

Systems, Network, and Administration Podcast. Every two weeks TechSNAP covers the stories that impact those of us in the tech industry, and all of us that follow it. Every episode we dedicate a portion of the show to answer audience questions, discuss best practices, and solving your problems.


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