hapi
To co tu pises je malinko zavadejici... dost zalezi na use-case a ano souhlasim s tim pouzivat kvalitni SSD k tomu urcene, obycejne levne SSD budou rychle KO (mam s tim zkusenost)
Osobne mam v ZFS (RAID1) tyto disky 2x WD Red SN700 NVMe 1TB
(Bezi na tom Proxmox a asi 4 kontejnery a budou na nich bezet i nejake VMka).Vylozene data, napr Nextcloud mam na dalsim ZFS RAIDu1 kde jsou zatim 2x starsi 2TB WD enterprise disky.
Uvidime co to bude delat, a casem klidne poreferuji jak se to bude chovat
Jinak:
Doporucuji precist dokumentaci k Proxmoxu
https://pve.proxmox.com/wiki/ZFS_on_Linux
Konkretne bych vyzdvihl tohle:
SWAP on ZFS
Swap-space created on a zvol may generate some troubles, like blocking the server or generating a high IO load, often seen when starting a Backup to an external Storage.
We strongly recommend to use enough memory, so that you normally do not run into low memory situations. Should you need or want to add swap, it is preferred to create a partition on a physical disk and use it as a swap device. You can leave some space free for this purpose in the advanced options of the installer. Additionally, you can lower the “swappiness” value. A good value for servers is 10:
