Re: Xen DomU zvol disk sizes

[Sebastian Ponitka <sebastian%xenoserver.net@localhost>]

Am 2025-12-19 16:45, schrieb mlelstv%serpens.de@localhost:
> That's why it would help to identify what kind of disk
> geometry is seen and passed to the hypervisor.

This is the output of the xenstore-ls, but I can not see any geometry 
informations:

bash-5.3# xenstore-ls
tool = ""
 xenstored = ""
local = ""
 domain = ""
  0 = ""
   domid = "0"
   name = "Domain-0"
   device-model = ""
   backend = ""
    vbd = ""
     2 = ""
      51712 = ""
       frontend = "/local/domain/2/device/vbd/51712"
       params = "/zredpool/xenstore/test/root.img"
       script = "/etc/xen/scripts/block"
       frontend-id = "2"
       online = "1"
       removable = "0"
       bootable = "1"
       state = "4"
       dev = "xvda"
       type = "phy"
       mode = "w"
       device-type = "disk"
       discard-enable = "1"
       specification = "xen"
       vnd = "vnd0"
       physical-device = "3587"
       sectors = "20971520"
       info = "0"
       sector-size = "512"
       feature-flush-cache = "1"
       feature-max-indirect-segments = "16"
       hotplug-status = "connected"
      51728 = ""
       frontend = "/local/domain/2/device/vbd/51728"
       params = "/dev/zvol/dsk/zredpool/test"
       script = "/etc/xen/scripts/block"
       frontend-id = "2"
       online = "1"
       removable = "0"
       bootable = "1"
       state = "4"
       dev = "xvdb"
       type = "phy"
       mode = "w"
       device-type = "disk"
       discard-enable = "1"
       specification = "xen"
       physical-device = "48656"
       sectors = "4194304"
       info = "0"
       sector-size = "512"
       feature-flush-cache = "1"
       feature-max-indirect-segments = "16"
       hotplug-status = "connected"
    console = ""
     2 = ""
      0 = ""
       frontend = "/local/domain/2/console"
       frontend-id = "2"
       online = "1"
       state = "1"
       protocol = "vt100"
    vif = ""
     2 = ""
      0 = ""
       frontend = "/local/domain/2/device/vif/0"
       frontend-id = "2"
       online = "1"
       state = "4"
       script = "/etc/xen/scripts/vif-bridge"
       mac = "00:16:3e:6a:ef:fc"
       bridge = "bridge0"
       handle = "0"
       type = "vif"
       hotplug-status = "connected"
       vifname = "xvif2i0"
       feature-rx-copy = "1"
       feature-ipv6-csum-offload = "1"
       feature-sg = "1"
  2 = ""
   vm = "/vm/9c7a0d94-2e53-4c72-9b99-841f3876599b"
   name = "netbsd"
   cpu = ""
    0 = ""
     availability = "online"
    1 = ""
     availability = "online"
    2 = ""
     availability = "online"
    3 = ""
     availability = "online"
   memory = ""
    static-max = "2097152"
    target = "2097152"
    videoram = "0"
   device = ""
    suspend = ""
     event-channel = ""
    vbd = ""
     51712 = ""
      backend = "/local/domain/0/backend/vbd/2/51712"
      backend-id = "0"
      state = "4"
      virtual-device = "51712"
      device-type = "disk"
      trusted = "1"
      protocol = "x86_64-abi"
      ring-ref = "16383"
      event-channel = "12"
     51728 = ""
      backend = "/local/domain/0/backend/vbd/2/51728"
      backend-id = "0"
      state = "4"
      virtual-device = "51728"
      device-type = "disk"
      trusted = "1"
      protocol = "x86_64-abi"
      ring-ref = "16382"
      event-channel = "13"
    vif = ""
     0 = ""
      backend = "/local/domain/0/backend/vif/2/0"
      backend-id = "0"
      state = "4"
      handle = "0"
      mac = "00:16:3e:6a:ef:fc"
      trusted = "1"
      mtu = "1500"
      vifname = "xennet0"
      tx-ring-ref = "16381"
      rx-ring-ref = "16380"
      request-rx-copy = "1"
      feature-rx-notify = "1"
      feature-ipv6-csum-offload = "1"
      feature-sg = "1"
      event-channel = "14"
   control = ""
    shutdown = ""
    feature-poweroff = ""
    feature-reboot = ""
    feature-suspend = ""
    sysrq = ""
    platform-feature-multiprocessor-suspend = "1"
    platform-feature-xs_reset_watches = "1"
   data = ""
   drivers = ""
   feature = ""
   attr = ""
   error = ""
   domid = "2"
   store = ""
    port = "1"
    ring-ref = "2618646"
   console = ""
    backend = "/local/domain/0/backend/console/2/0"
    backend-id = "0"
    limit = "1048576"
    type = "xenconsoled"
    output = "pty"
    tty = "/dev/pts/4"
    port = "2"
    ring-ref = "2618647"
 pool = ""
  0 = ""
   name = "Pool-0"
vm = ""
 9c7a0d94-2e53-4c72-9b99-841f3876599b = ""
  name = "netbsd"
  uuid = "9c7a0d94-2e53-4c72-9b99-841f3876599b"
  image = ""
   ostype = "linux"
   kernel = "/zredpool/xenstore/netbsd-XEN3_DOMU.gz"
  start_time = "1766228057.43"
libxl = ""
 2 = ""
  device = ""
   vbd = ""
    51712 = ""
     frontend = "/local/domain/2/device/vbd/51712"
     backend = "/local/domain/0/backend/vbd/2/51712"
     params = "/zredpool/xenstore/test/root.img"
     script = "/etc/xen/scripts/block"
     frontend-id = "2"
     online = "1"
     removable = "0"
     bootable = "1"
     state = "1"
     dev = "xvda"
     type = "phy"
     mode = "w"
     device-type = "disk"
     discard-enable = "1"
     specification = "xen"
    51728 = ""
     frontend = "/local/domain/2/device/vbd/51728"
     backend = "/local/domain/0/backend/vbd/2/51728"
     params = "/dev/zvol/dsk/zredpool/test"
     script = "/etc/xen/scripts/block"
     frontend-id = "2"
     online = "1"
     removable = "0"
     bootable = "1"
     state = "1"
     dev = "xvdb"
     type = "phy"
     mode = "w"
     device-type = "disk"
     discard-enable = "1"
     specification = "xen"
   console = ""
    0 = ""
     frontend = "/local/domain/2/console"
     backend = "/local/domain/0/backend/console/2/0"
     frontend-id = "2"
     online = "1"
     state = "1"
     protocol = "vt100"
   vif = ""
    0 = ""
     frontend = "/local/domain/2/device/vif/0"
     backend = "/local/domain/0/backend/vif/2/0"
     frontend-id = "2"
     online = "1"
     state = "1"
     script = "/etc/xen/scripts/vif-bridge"
     mac = "00:16:3e:6a:ef:fc"
     bridge = "bridge0"
     handle = "0"
     type = "vif"
     hotplug-status = ""
  type = "pv"
  dm-version = "qemu_xen"