#l2arc — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #l2arc, aggregated by home.social.
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Boost ZimaBoard reads with ZFS mirror on USB HDDs (ashift=12) plus L2ARC SSD cache for faster access. Persistent /dev/disk/by-id paths ensure stability on Ubuntu 22.04/Debian 12. #zimaboard #zfs #l2arc
https://www.valtersit.com/vault/zimaboard-zfs-pool-with-usb-hdds-and-l2arc-ssd-cache-ebc587/
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@nixCraft nearly all suitably encrypted. No FDE.
OpenZFS encryption for:
* the sensitive part of a mobile hard disk drive
* three low-spec USB memory sticks that add around 145 GiB persistent removable L2ARC to a circa 2014 HP ZBook with 32 G memory and a ~1 TB internal HDD.
GELI for 16 G swap.
GELI for 915 G /
tmpfs for /tmp/
<https://github.com/openzfs/zfs/issues/10256>
「… blocks in the L2ARC have the exact same on-disk representation as they do in the main pool. …」
geli(8) <https://man.freebsd.org/cgi/man.cgi?query=geli&sektion=8&manpath=freebsd-release> – automatically configured when FreeBSD was installed.
tmpfs(4) <https://man.freebsd.org/cgi/man.cgi?query=tmpfs&sektion=4&manpath=freebsd-current> (FreeBSD 15.0-CURRENT)
#FreeBSD #L2ARC #ZFS #OpenZFS #encryption #USB #memorystick #flash #flashdrive #mobile #GELI
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Explaining ZFS LOG and L2ARC Cache: Do You Need One and How Do They Work? - YouTube
https://www.youtube.com/watch?v=M4DLChRXJog
#LawrenceSystems #ZFS #LOG #L2ARC #Cache #Overview #ExplainingZFS