Comment 15 for bug 1858201

On Sat, Jan 18, 2020 at 12:37 AM Newell Jensen <email address hidden>
wrote:

> $ virsh dumpxml <machin-name-that-maas-created-that-caused-issues>
>
root@node35:~# virsh dumpxml testers

<domain type='kvm'>

  <name>testers</name>

  <uuid>ad6b59c9-76b5-4481-a0bb-dc896782f27e</uuid>

  <memory unit='KiB'>1048576</memory>

  <currentMemory unit='KiB'>1048576</currentMemory>

  <vcpu placement='static'>1</vcpu>

  <os>

    <type arch='x86_64' machine='pc-i440fx-bionic'>hvm</type>

    <boot dev='hd'/>

  </os>

  <features>

    <acpi/>

    <apic/>

  </features>

  <clock offset='utc'/>

  <on_poweroff>destroy</on_poweroff>

  <on_reboot>restart</on_reboot>

  <on_crash>restart</on_crash>

  <pm>

    <suspend-to-mem enabled='no'/>

    <suspend-to-disk enabled='no'/>

  </pm>

  <devices>

    <emulator>/usr/bin/qemu-system-x86_64</emulator>

    <controller type='pci' index='0' model='pci-root'/>

    <controller type='virtio-serial' index='0'>

      <address type='pci' domain='0x0000' bus='0x00' slot='0x05'
function='0x0'/>

    </controller>

    <controller type='usb' index='0' model='piix3-uhci'>

      <address type='pci' domain='0x0000' bus='0x00' slot='0x01'
function='0x2'/>

    </controller>

    <interface type='bridge'>

      <mac address='52:54:00:41:d7:d3'/>

      <source bridge='br1'/>

      <model type='virtio'/>

      <address type='pci' domain='0x0000' bus='0x00' slot='0x04'
function='0x0'/>

    </interface>

    <serial type='pty'>

      <log file='/var/log/libvirt/qemu/testers-serial0.log' append='off'/>

      <target type='isa-serial' port='0'>

        <model name='isa-serial'/>

      </target>

    </serial>

    <console type='pty'>

      <log file='/var/log/libvirt/qemu/testers-serial0.log' append='off'/>

      <target type='serial' port='0'/>

    </console>

    <channel type='spicevmc'>

      <target type='virtio' name='com.redhat.spice.0'/>

      <address type='virtio-serial' controller='0' bus='0' port='1'/>

    </channel>

    <input type='mouse' bus='ps2'/>

    <input type='keyboard' bus='ps2'/>

    <graphics type='spice' autoport='yes'>

      <listen type='address'/>

      <image compression='off'/>

    </graphics>

    <video>

      <model type='cirrus' vram='16384' heads='1' primary='yes'/>

      <address type='pci' domain='0x0000' bus='0x00' slot='0x02'
function='0x0'/>

    </video>

    <memballoon model='virtio'>

      <address type='pci' domain='0x0000' bus='0x00' slot='0x03'
function='0x0'/>

    </memballoon>

  </devices>
</domain>

$ virsh pool-dumpxml <name-of-zfs-pool>
>
root@node35:~# virsh pool-dumpxml zpool

<pool type='zfs'>

  <name>zpool</name>

  <uuid>93a40940-eed8-47a7-8eba-3559e83bb24c</uuid>

  <capacity unit='bytes'>1245540515840</capacity>

  <allocation unit='bytes'>782941757440</allocation>

  <available unit='bytes'>462598758400</available>

  <source>

    <name>zpool</name>

  </source>

  <target>

    <path>/dev/zvol/zpool</path>

  </target>
</pool>

I had the pool created as mirror of two HDD partitions with no custom
parameters:

zpool create zpool -m /data/zpool mirror /dev/sda4 /dev/sdb4

virsh pool-define-as --name zpool --source-name zpool --type zfs

virsh pool-start zpool

virsh pool-autostart zpool

$ /sbin/zfs create -s -V 8789063K zpool/52a7cb41-4241-4336-b624-1f930ff398ed
>
root@node35:~# /sbin/zfs create -s -V 8789063K
zpool/52a7cb41-4241-4336-b624-1f930ff398ed

cannot create 'zpool/52a7cb41-4241-4336-b624-1f930ff398ed': volume size
must be a multiple of volume block size
root@node35:~#

>
> Christian, if there are any other specific commands that you know that
> Luis should execute since he has his setup still, please let him know.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1858201
>
> Title:
> volume size pod zfs
>
> Status in MAAS:
> Triaged
> Status in libvirt package in Ubuntu:
> Incomplete
>
> Bug description:
> I am trying to create a pod on a MAAS node that has virsh installed,
> I added a specific ZFS storage pool
>
> And when trying to create the pod I see the following error on
> /var/log/syslog
>
> Jan 03 18:13:00 node34 libvirtd[3340]: 2020-01-03 12:43:00.310+0000:
> 3341: error : virCommandWait:2601 : internal error: Child process
> (/sbin/zfs create -s -V 8789063K
> zpool/52a7cb41-4241-4336-b624-1f930ff398ed) unexpected exit status 1:
> cannot create 'zpool/52a7cb41-4241-4336-b624-1f930ff398ed': volume
> size must be a multiple of volume block size
>
>
> Any setting for the volume size in GB doesn't match the 8K volume block
> that ZS requires
>
>
> On MAAS while executing the "Create Pod" button I get the following
> error:
>
> Add another device
> Pod unable to compose machine: Unable to compose machine because:
> Failed talking to pod: Start tag expected, '<' not found, line 1, column 1
> (<string>, line 1)
>
> To manage notifications about this bug go to:
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>