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  1. J

    SSD as secondary storage is slow

    I have a Dell R710 server running Proxmox 5.4. It is installed on 2 2TB SATA HDDs, running in a ZFS mirror. I also installed 2 480GB SATA SSDs, which are in a separate ZFS mirrored pool. I'm having some performance issues with the SSDs, particularly when reading. When running fio on the disk...
  2. J

    My VMs freeze and corrupt on high disk I/O

    Hi, I am having a disk problem with Proxmox. I'm running two SATA 2TB hard drives connected in a RAID 1 ZFS. I'm running Proxmox 5.4-3 on an R710. Sometimes, but not always, high disk I/O starts breaking things. For example, last night I was doing a disk import, which was causing my I/O delay to...

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