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    FIO Benchmark on the ZVOL. Fast in Proxmox, slow in VM. Same benchmark, same ZVOL

    Hello! Title says it all, but here a details: Host: Proxmox VE 6.3-6 Guest: Ubuntu Server 18.04.2 LTS SSD: ADATA XPG SX8200 Pro 2 TB (two in ZFS mirror) ZVOL: 90GB, thin-provised, sync=disabled Then i benchmarking this ZVOL directly on the Host i get almost maximum performance that this SSD...
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    I get only one successful boot after installation Proxmox Backup Server. Plz help)

    It is weird. So i installed PBS 1.0-1 on good ol` HP DL120 G7. I use SanDisk USB Stick as system drive because all four SATA drive bays in this server is occupied by hard drives. I choosed ZFS as root filesystem. Installation runs flawlessy. After installation server rebooted itself and i got...