Open Stack

On 28-07-21 18:14:31, KK CHN wrote:
> List,
> 
> I am in the process of   uploading  OS and data LVM  disk image from
> ovirt(KVM) files  fo our OpenStack Ussuri setup with  KVM and glance.
> 
> 
> I am able to upload the disk ( qcow2 images and profile the VM image). But
> I could not  able to get the logical volume visible to the populated VM.
> 
> Here  the data volume is LVM partition as another disk image handed over to
> us by our service provider.
> 
> 
> 
> here the steps I followed to get the LVM partition (/dev/vdc2)  in question
> to get visible to our VM without success.
> 
> Kindly help to solve this issue.
> 
> 
> ##################################################
> 
> [root at ma-app ~]# fdisk -l
> 
> Disk /dev/vda: 64.4 GB, 64424509440 bytes, 125829120 sectors
> Units = sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk label type: dos
> Disk identifier: 0x0009e4d7
> 
>    Device Boot      Start         End      Blocks   Id  System
> /dev/vda1   *        2048   125829086    62913519+  83  Linux
> 
> Disk /dev/vdb: 10.7 GB, 10737418240 bytes, 20971520 sectors
> Units = sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> 
> 
> Disk /dev/vdc: 53.7 GB, 53687091200 bytes, 104857600 sectors
> Units = sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk label type: dos
> Disk identifier: 0x000ac064
> 
>    Device Boot      Start         End      Blocks   Id  System
> /dev/vdc1   *        2048     2099199     1048576   83  Linux
> /dev/vdc2         2099200   104857599    51379200   8e  Linux LVM
> [root at ma-app ~]# vgs
>   VG   #PV #LV #SN Attr   VSize   VFree
>   rhel   1   2   0 wz--n- <49.00g    0
> [root at ma-app ~]# vgs
>   VG   #PV #LV #SN Attr   VSize   VFree
>   rhel   1   2   0 wz--n- <49.00g    0
> [root at ma-app ~]# df -h
> Filesystem      Size  Used Avail Use% Mounted on
> /dev/vda1        59G  1.5G   56G   3% /
> devtmpfs        3.9G     0  3.9G   0% /dev
> tmpfs           3.9G     0  3.9G   0% /dev/shm
> tmpfs           3.9G  8.5M  3.9G   1% /run
> tmpfs           3.9G     0  3.9G   0% /sys/fs/cgroup
> tmpfs           783M     0  783M   0% /run/user/0
> [root at ma-app ~]# vgs
>   VG   #PV #LV #SN Attr   VSize   VFree
>   rhel   1   2   0 wz--n- <49.00g    0
> [root at ma-app ~]# lvs
>   LV   VG   Attr       LSize   Pool Origin Data%  Meta%  Move Log Cpy%Sync
> Convert
>   root rhel -wi------- <44.00g
> 
>   swap rhel -wi-------   5.00g
> 
> [root at ma-app ~]# vgs
>   VG   #PV #LV #SN Attr   VSize   VFree
>   rhel   1   2   0 wz--n- <49.00g    0
> [root at ma-app ~]# df -h
> Filesystem      Size  Used Avail Use% Mounted on
> /dev/vda1        59G  1.5G   56G   3% /
> devtmpfs        3.9G     0  3.9G   0% /dev
> tmpfs           3.9G     0  3.9G   0% /dev/shm
> tmpfs           3.9G  8.5M  3.9G   1% /run
> tmpfs           3.9G     0  3.9G   0% /sys/fs/cgroup
> tmpfs           783M     0  783M   0% /run/user/0
> [root at ma-app ~]# lvdisplay
>   --- Logical volume ---
>   LV Path                /dev/rhel/swap
>   LV Name                swap
>   VG Name                rhel
>   LV UUID                Q2X9BK-7VXr-g9BB-JA5v-K7yR-yRBf-G61vZV
>   LV Write Access        read/write
>   LV Creation host, time localhost, 2018-04-19 12:01:04 -0400
>   LV Status              NOT available
>   LV Size                5.00 GiB
>   Current LE             1280
>   Segments               1
>   Allocation             inherit
>   Read ahead sectors     auto
> 
>   --- Logical volume ---
>   LV Path                /dev/rhel/root
>   LV Name                root
>   VG Name                rhel
>   LV UUID                laUf04-Ecwg-OHDc-vr1s-SB85-yN8O-Us116d
>   LV Write Access        read/write
>   LV Creation host, time localhost, 2018-04-19 12:01:05 -0400
>   LV Status              NOT available
>   LV Size                <44.00 GiB
>   Current LE             11263
>   Segments               1
>   Allocation             inherit
>   Read ahead sectors     auto
> 
> [root at ma-app ~]# lvscan
>   inactive          '/dev/rhel/swap' [5.00 GiB] inherit
>   inactive          '/dev/rhel/root' [<44.00 GiB] inherit
> [root at ma-app ~]# pvscan
>   PV /dev/vdc2   VG rhel            lvm2 [<49.00 GiB / 0    free]
>   Total: 1 [<49.00 GiB] / in use: 1 [<49.00 GiB] / in no VG: 0 [0   ]
> [root at ma-app ~]# df -h
> Filesystem      Size  Used Avail Use% Mounted on
> /dev/vda1        59G  1.5G   56G   3% /
> devtmpfs        3.9G     0  3.9G   0% /dev
> tmpfs           3.9G     0  3.9G   0% /dev/shm
> tmpfs           3.9G  8.5M  3.9G   1% /run
> tmpfs           3.9G     0  3.9G   0% /sys/fs/cgroup
> tmpfs           783M     0  783M   0% /run/user/0
> [root at ma-app ~]# lvscan
>   inactive          '/dev/rhel/swap' [5.00 GiB] inherit
>   inactive          '/dev/rhel/root' [<44.00 GiB] inherit
> [root at ma-app ~]# vgchange -ay rhel
>   2 logical volume(s) in volume group "rhel" now active
> [root at ma-app ~]# lvscan
>   ACTIVE            '/dev/rhel/swap' [5.00 GiB] inherit
>   ACTIVE            '/dev/rhel/root' [<44.00 GiB] inherit
> [root at ma-app ~]# fdisk -l
> 
> Disk /dev/vda: 64.4 GB, 64424509440 bytes, 125829120 sectors
> Units = sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk label type: dos
> Disk identifier: 0x0009e4d7
> 
>    Device Boot      Start         End      Blocks   Id  System
> /dev/vda1   *        2048   125829086    62913519+  83  Linux
> 
> Disk /dev/vdb: 10.7 GB, 10737418240 bytes, 20971520 sectors
> Units = sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> 
> 
> Disk /dev/vdc: 53.7 GB, 53687091200 bytes, 104857600 sectors
> Units = sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk label type: dos
> Disk identifier: 0x000ac064
> 
>    Device Boot      Start         End      Blocks   Id  System
> /dev/vdc1   *        2048     2099199     1048576   83  Linux
> /dev/vdc2         2099200   104857599    51379200   8e  Linux LVM
> 
> Disk /dev/mapper/rhel-swap: 5368 MB, 5368709120 bytes, 10485760 sectors
> Units = sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> 
> 
> Disk /dev/mapper/rhel-root: 47.2 GB, 47240445952 bytes, 92266496 sectors
> Units = sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
>
> [..]
> 
> How to make this /dev/vdc2(LVM partiton) attached to the VM.  ?

Assuming I'm reading the above output correctly vdc2 holds the vg rhel
so I assume you want the rhel lv to be mounted under /mnt?

$ mount /dev/mapper/rhel-root /mnt 

-- 
Lee Yarwood                 A5D1 9385 88CB 7E5F BE64  6618 BCA6 6E33 F672 2D76