Tag linux

Upgrading to Proxmox VE 9

I faced a couple of hiccups while upgradeing from 8.4 to 9.0. Luckily, no data loss occurred, but the downtime was longer than I was expecting. Prerequisites Be sure to run pve8to9 –full before committing to an upgrade. This command…

ZFS Parameters and Optimizations

ZFS is a highly powerful filesystem featuring volume management, software RAID, data integrity and so much more. It is also highly configurable; the default settings are quite ‘safe’ so we have an opportunity to do some tweaking. The TL;DR For…

Mellanox ConnectX-3 Pro ethtool Settings

Possibly overkill; needs actual testing. RSS RX queues can be set even higher, (equal to thread count, 128 in my case, but should generally be 32 at most. Setting this way too high can cause memory usage to explode.

Large Memory Pages in Proxmox

Stick of laptop memory on a black table, highlighting individual chip dies

Enabling large memory pages (aka HugePages on Linux) can improve performance in applications that require lots of memory. One of those applications happens to be virtual machines. Using large memory pages means that, instead of keeping track of many, small…