OpenNebula LVM数据存储使用情况问题

debugcn 发表于 Dev

尤里·贡查鲁克（Yurij Goncharuk）

我曾尝试在测试环境中配置OpenNebula，该环境由两台主机组成：

带有太阳石的星云（前机）
具有已配置VG的kvm-node-1主机

星云机包含以下内容：

root@nebula:/var/lib/one/datastores# onedatastore list
      ID NAME                SIZE AVAIL CLUSTERS     IMAGES TYPE DS      TM      STAT
       0 system                 - -     0                 0 sys  -       ssh     on  
       1 default            39.1G 70%   0                 4 img  fs      ssh     on  
       2 files              39.1G 70%   0                 0 fil  fs      ssh     on  
     100 images_shared      39.1G 70%   0                 2 img  fs      shared  on  
     104 lvm_system         39.1G 76%   0                 0 sys  -       fs_lvm  on  
     105 lvm_images         39.1G 70%   0                 1 img  fs      fs_lvm  on  
     106 lvm_system2        39.1G 76%   0                 0 sys  -       fs_lvm  on
root@nebula:/var/lib/one/datastores# ls /var/lib/one/datastores/
0  1  100  101  105  2
root@nebula:/var/lib/one/datastores# showmount -e
Export list for nebula:
/var/lib/one/datastores/105 192.168.122.0/24
/var/lib/one/datastores/100 192.168.122.0/24

kvm-node-1机器包含以下内容：

root@kvm-node-1:/var/lib/one/datastores# ls /var/lib/one/datastores/
0  100  104  105  106
root@kvm-node-1:/var/lib/one/datastores# mount|grep nfs
nfsd on /proc/fs/nfsd type nfsd (rw,relatime)
192.168.122.240:/var/lib/one/datastores/100 on /var/lib/one/datastores/100 type nfs4 (rw,relatime,vers=4.2,rsize=131072,wsize=131072,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,clientaddr=192.168.122.74,local_lock=none,addr=192.168.122.240)
192.168.122.240:/var/lib/one/datastores/105 on /var/lib/one/datastores/105 type nfs4 (rw,relatime,vers=4.2,rsize=131072,wsize=131072,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,clientaddr=192.168.122.74,local_lock=none,addr=192.168.122.240)
root@kvm-node-1:/var/lib/one/datastores# vgs
  VG       #PV #LV #SN Attr   VSize   VFree 
  vg-one-0   1   1   0 wz--n- <10,00g <9,98g

我可以通过Sunstone将带有映像的VM部署到虚拟机监控程序。该图像已成功启动。但是由于错误我无法终止VM：

Fri Nov  9 16:04:55 2018 [Z0][TM][D]: Message received: LOG I 29 Command execution failed (exit code: 5): /var/lib/one/remotes/tm/fs_lvm/delete nebula:/var/lib/one//datastores/0/29/disk.0 29 105
Fri Nov  9 16:04:55 2018 [Z0][TM][D]: Message received: LOG E 29 delete: Command "    set -x
Fri Nov  9 16:04:55 2018 [Z0][TM][D]: Message received: LOG I 29 DEV=$(readlink /var/lib/one/datastores/0/29/disk.0)
Fri Nov  9 16:04:55 2018 [Z0][TM][D]: Message received: LOG I 29 
Fri Nov  9 16:04:55 2018 [Z0][TM][D]: Message received: LOG I 29 if [ -d "/var/lib/one/datastores/0/29/disk.0" ]; then
Fri Nov  9 16:04:55 2018 [Z0][TM][D]: Message received: LOG I 29 rm -rf "/var/lib/one/datastores/0/29/disk.0"
Fri Nov  9 16:04:55 2018 [Z0][TM][D]: Message received: LOG I 29 else
Fri Nov  9 16:04:55 2018 [Z0][TM][D]: Message received: LOG I 29 rm -f /var/lib/one/datastores/0/29/disk.0
Fri Nov  9 16:04:55 2018 [Z0][TM][D]: Message received: LOG I 29 
Fri Nov  9 16:04:55 2018 [Z0][TM][D]: Message received: LOG I 29 if [ -z "$DEV" ]; then
Fri Nov  9 16:04:55 2018 [Z0][TM][D]: Message received: LOG I 29 exit 0
Fri Nov  9 16:04:55 2018 [Z0][TM][D]: Message received: LOG I 29 fi
Fri Nov  9 16:04:55 2018 [Z0][TM][D]: Message received: LOG I 29 
Fri Nov  9 16:04:55 2018 [Z0][TM][D]: Message received: LOG I 29 if echo "$DEV" | grep "^/dev/" &>/dev/null; then
Fri Nov  9 16:04:55 2018 [Z0][TM][D]: Message received: LOG I 29 sudo lvremove -f $DEV
Fri Nov  9 16:04:55 2018 [Z0][TM][D]: Message received: LOG I 29 fi
Fri Nov  9 16:04:55 2018 [Z0][TM][D]: Message received: LOG I 29 fi" failed: ++ readlink /var/lib/one/datastores/0/29/disk.0
Fri Nov  9 16:04:55 2018 [Z0][TM][D]: Message received: LOG I 29 + DEV=/dev/vg-one-0/lv-one-29-0
Fri Nov  9 16:04:55 2018 [Z0][TM][D]: Message received: LOG I 29 + '[' -d /var/lib/one/datastores/0/29/disk.0 ']'
Fri Nov  9 16:04:55 2018 [Z0][TM][D]: Message received: LOG I 29 + rm -f /var/lib/one/datastores/0/29/disk.0
Fri Nov  9 16:04:55 2018 [Z0][TM][D]: Message received: LOG I 29 + '[' -z /dev/vg-one-0/lv-one-29-0 ']'
Fri Nov  9 16:04:55 2018 [Z0][TM][D]: Message received: LOG I 29 + echo /dev/vg-one-0/lv-one-29-0
Fri Nov  9 16:04:55 2018 [Z0][TM][D]: Message received: LOG I 29 + grep '^/dev/'
Fri Nov  9 16:04:55 2018 [Z0][TM][D]: Message received: LOG I 29 + sudo lvremove -f /dev/vg-one-0/lv-one-29-0
Fri Nov  9 16:04:55 2018 [Z0][TM][D]: Message received: LOG I 29 Volume group "vg-one-0" not found
Fri Nov  9 16:04:55 2018 [Z0][TM][D]: Message received: LOG I 29 Cannot process volume group vg-one-0
Fri Nov  9 16:04:55 2018 [Z0][TM][D]: Message received: LOG E 29 Error deleting /var/lib/one/datastores/0/29/disk.0
Fri Nov  9 16:04:55 2018 [Z0][TM][D]: Message received: TRANSFER FAILURE 29 Error deleting /var/lib/one/datastores/0/29/disk.0

如何使用LVM数据存储来组织前端计算机和虚拟机管理程序计算机之间的互换以解决此问题？

尤里·贡查鲁克（Yurij Goncharuk）

我已经在OpenNebula论坛中解决了这个问题。

简而言之：