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  1. M

    QEMU[817526]: kvm: virtio: zero sized buffers are not allowed on 7.4-15

    Hello Everyone, We are seeing an issue where VMs freeze/crash as it looks like the storage drops out. We have a mix of remote Ceph RBD and ZFS single disk local pools with encryption turned on. The issue seems pretty isolated to SQL 2019 AAG on Windows 2019. The OS disk is on Ceph while the...
  2. M

    [SOLVED] Undo Resize Disk Possible?

    Hello, Is there a good way of rolling back a resize disk if the storage is Ceph rbd, the VM is Windows, and the space has not yet been allocated to the disk from an OS perspective? The intended future full size of disk was specified instead of the amount to grow it by accidentally. Nothing...
  3. M

    PVE 6.3.6 - ZFS vs Local Directory FIO Performance on NVMe

    Hello Everyone, I would be interested to understand whether anyone else has similar similar results, and what they've traced the issue to. For evaluation purposes we have been testing some NVMe drives in a Proxmox cluster in both Local Drive and ZFS configuration (single disk, Micron 3.2TB...
  4. M

    PVE 6.3.6: Is there support for multiple disk remapping for online live migrations?

    Hello, Is there support for an online VM live migration using local disks such that a VM with 3 virtual disks, each on a separate non-shared source host local disk can be re-mapped to 3 new local disks on destination host? The UI seems to only support an atomic move of the entire VM with all...
  5. M

    PVE 6.3.6 - Live migration failed after two attempts: qmp command 'query-migrate' failed - client closed connection

    drive-scsi2: transferred: 298232446976 bytes remaining: 0 bytes total: 298232446976 bytes progression: 100.00 % busy: 0 ready: 1 all mirroring jobs are ready 2021-04-20 14:07:58 volume 'disk2b_encrypted:vm-521-disk-0' is 'node04_disk10:vm-521-disk-0' on the target 2021-04-20 14:07:58 starting...
  6. M

    PVE 6.3.6 Live Migration on ZFS appear to not be completing as expected

    Hello, We are seeing an issue with test VMs that we are doing online live migrations for between hosts that have compressed, encrypted, ZFS pools. The issue does not surface with migrations to/from remote Ceph RBD, but does occur with local ZFS pools on hosts when doing live migrations. The...
  7. M

    Proxmox 6.2.6 w/Encrypted ZFS | Memory Exhaustion

    Hello, We have begun experimenting with ZFS encryption on JBOD SSDs and NVMes for certain VMs where Ceph with size=3 would be inappropriate. Each SSD and NVMe is understood and expected to be a single point of failure. Servers are either 768GB or 1.5TB RAM at this point, and periodically...
  8. M

    How To: Enable encryption for local storage in PVE 6.2.4?

    Hello, We already have a remote rbd ceph octopus cluster w/encryption, but would like to turn on encryption for some nodes that have local NVMe drives. Is there a good way of enabling encryption for unshared local storage? Am not looking to use arrays at all if at all possible, just single...

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