OpenMediaVault installation in LXC with attached HW block device

mhnajlee · Jan 21, 2018

Restart LXC container ID omv101

root@omv101:~# ls /dev/sd* -l
brw-rw---- 1 root disk 8, 0 Jan 21 15:30 /dev/sda
brw-rw---- 1 root disk 8, 1 Jan 21 15:30 /dev/sda1
brw-rw---- 1 root disk 8, 2 Jan 21 15:30 /dev/sda2
brw-rw---- 1 root disk 8, 3 Jan 21 15:30 /dev/sda3
brw-rw---- 1 root disk 8, 4 Jan 21 15:30 /dev/sda4

root@omv101:~# smartctl -a /dev/sda
...
Probable ATA device behind a SAT layer
Try an additional '-d ata' or '-d sat' argument

root@omv101:~# smartctl -a /dev/sda -d sat
root@omv101:~# smartctl -a /dev/sda -d ata
...
Read Device Identity failed: Operation not permitted
A mandatory SMART command failed: exiting. To continue, add one or more '-T permissive' options

Both command produce same result

vobo70 · Apr 6, 2018

Hello again,
I had to reinstall my proxmox server, so I installed omv in debian container again,
and I have one problem:
In OMV gui I can see all disks, I can see all file systems,
but when I would like to add shared folder devices drop down list is empty ...
Any suggestions?

pmxforum · Apr 15, 2018

Hi.
Did you added something like this line:
....
lxc.mount.entry: /raid srv/dev-sdb1 none bind,create=dir,optional 0 0
....
to the container conf file.

Seems that you forget to add lxc.mount.entry and OMV trying to mount inside container. But mount operations is impossible. You should mount manually via container config file.

vobo70 · Apr 15, 2018

pmxforum said:
Hi.
Did you added something like this line:
....
lxc.mount.entry: /raid srv/dev-sdb1 none bind,create=dir,optional 0 0
....
to the container conf file.

Seems that you forget to add lxc.mount.entry and OMV trying to mount inside container. But mount operations is impossible. You should mount manually via container config file.

This is my lxc container config file:

Code:

arch: amd64
cores: 2
hostname: omv
memory: 1024
net0: name=eth0,bridge=vmbr0,gw=192.168.0.1,hwaddr=C6:2D:13:DE:A2:75,ip=192.168.0.3/24,type=veth
onboot: 1
ostype: debian
rootfs: local-lvm:vm-100-disk-1,size=4G
swap: 1024
lxc.apparmor.profile: unconfined
lxc.mount.auto: cgroup:rw
lxc.mount.auto: proc:rw
lxc.mount.auto: sys:rw
lxc.cgroup.devices.allow: b 8:0 rwm
lxc.cgroup.devices.allow: b 8:1 rwm
lxc.cgroup.devices.allow: b 8:2 rwm
lxc.cgroup.devices.allow: b 8:3 rwm
lxc.cgroup.devices.allow: b 8:16 rwm
lxc.cgroup.devices.allow: b 8:17 rwm
lxc.cgroup.devices.allow: b 8:32 rwm
lxc.cgroup.devices.allow: b 8:33 rwm
lxc.autodev: 1
lxc.mount.entry: /media/dane1 media/a6dfa5fb-d16d-4852-a502-7201c3fa9a37 none bind,create=dir,optional 0 0
lxc.mount.entry: /media/dane2 media/7980df78-8173-4ae7-a38e-0b3bcb2b9df5 none bind,create=dir,optional 0 0
lxc.hook.autodev: /var/lib/lxc/100/mount-hook.sh

Seems it's added ...

pmxforum · Apr 15, 2018

OMV changed pathnames. you should use:
....
xc.mount.entry: /media/dane1 srv/sda1 none bind,create=dir,optional 0 0
lxc.mount.entry: /media/dane2 srv/sdb1 none bind,create=dir,optional 0 0
....

if "/media/dane1" mounted via hook as "sda" and "sda1" and "/media/dane2" mounted via hook as "sdb" and "sdb1"
correct it as desired for you.

vobo70 · Apr 15, 2018

Still no luck, i changed LXC container config (/etc/pve/lxc/100.conf)

Code:

arch: amd64
cores: 2
hostname: omv
memory: 1024
net0: name=eth0,bridge=vmbr0,gw=192.168.0.1,hwaddr=C6:2D:13:DE:A2:75,ip=192.168.0.3/24,type=veth
onboot: 1
ostype: debian
rootfs: local-lvm:vm-100-disk-1,size=4G
swap: 1024
lxc.apparmor.profile: unconfined
lxc.mount.auto: cgroup:rw
lxc.mount.auto: proc:rw
lxc.mount.auto: sys:rw
lxc.cgroup.devices.allow: b 8:0 rwm
lxc.cgroup.devices.allow: b 8:1 rwm
lxc.cgroup.devices.allow: b 8:2 rwm
lxc.cgroup.devices.allow: b 8:3 rwm
lxc.cgroup.devices.allow: b 8:16 rwm
lxc.cgroup.devices.allow: b 8:17 rwm
lxc.cgroup.devices.allow: b 8:32 rwm
lxc.cgroup.devices.allow: b 8:33 rwm
lxc.autodev: 1
lxc.mount.entry: /media/dane1 srv/sdc1 none bind,create=dir,optional 0 0
lxc.mount.entry: /media/dane2 srv/sdb1 none bind,create=dir,optional 0 0
lxc.hook.autodev: /var/lib/lxc/100/mount-hook.sh

and this is my LXC container hook script (/var/lib/lxc/100/mount-hook.sh)

Code:

#!/bin/sh
mknod -m 777 ${LXC_ROOTFS_MOUNT}/dev/sda b 8 0
mknod -m 777 ${LXC_ROOTFS_MOUNT}/dev/sda1 b 8 1
mknod -m 777 ${LXC_ROOTFS_MOUNT}/dev/sda2 b 8 2
mknod -m 777 ${LXC_ROOTFS_MOUNT}/dev/sda3 b 8 3
mknod -m 777 ${LXC_ROOTFS_MOUNT}/dev/sdb b 8 16
mknod -m 777 ${LXC_ROOTFS_MOUNT}/dev/sdb1 b 8 17
mknod -m 777 ${LXC_ROOTFS_MOUNT}/dev/sdc b 8 32
mknod -m 777 ${LXC_ROOTFS_MOUNT}/dev/sdc1 b 8 33

and this is my mount | grep sd (on proxmox host):

Code:

/dev/sdc1 on /media/dane1 type ext4 (rw,relatime,data=ordered)
/dev/sdb1 on /media/dane2 type ext4 (rw,relatime,data=ordered)

pmxforum · Apr 15, 2018

let you show me your hdd's. I need full output of this command:
ls -la /dev/sd*

vobo70 · Apr 15, 2018

brw-rw---- 1 root disk 8, 0 Apr 15 16:58 /dev/sda
brw-rw---- 1 root disk 8, 1 Apr 15 16:58 /dev/sda1
brw-rw---- 1 root disk 8, 2 Apr 15 16:58 /dev/sda2
brw-rw---- 1 root disk 8, 3 Apr 15 16:58 /dev/sda3
brw-rw---- 1 root disk 8, 16 Apr 15 16:58 /dev/sdb
brw-rw---- 1 root disk 8, 17 Apr 15 16:58 /dev/sdb1
brw-rw---- 1 root disk 8, 32 Apr 15 16:58 /dev/sdc
brw-rw---- 1 root disk 8, 33 Apr 15 16:58 /dev/sdc1
where sda is proxmox drive
sdb is dane2
sdc is dane1

pmxforum · Apr 15, 2018

seems to be ok.

Did you mount in OMV gui listed above file systems?

vobo70 · Apr 15, 2018

They're mounted and I can't unmount then through GUI,
this is ls -la /dev/sd* command on omv container:

Code:

brw-rw---- 1 root disk 8,  0 Apr 15 14:58 /dev/sda
brw-rw---- 1 root disk 8,  1 Apr 15 14:58 /dev/sda1
brw-rw---- 1 root disk 8,  2 Apr 15 14:58 /dev/sda2
brw-rw---- 1 root disk 8,  3 Apr 15 14:58 /dev/sda3
brw-rw---- 1 root disk 8, 16 Apr 15 14:58 /dev/sdb
brw-rw---- 1 root disk 8, 17 Apr 15 14:58 /dev/sdb1
brw-rw---- 1 root disk 8, 32 Apr 15 14:58 /dev/sdc
brw-rw---- 1 root disk 8, 33 Apr 15 14:58 /dev/sdc1

and this is mount | grep sd command on omv container:

Code:

/dev/sdc1 on /srv/sdc1 type ext4 (rw,relatime,data=ordered)
/dev/sdb1 on /srv/sdb1 type ext4 (rw,relatime,data=ordered)

vobo70 · Apr 15, 2018

I have to check if mount path
/srv/sdx1 exist (I'm out of home ...)

vobo70 · Apr 15, 2018

Thanky you very much, it's OK now.
I had to change mount point on proxmox and change this in /etc/fstab

vobo70 · Apr 15, 2018

another error when I apply to set shared folders:
Failed to execute command 'export PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin; export LANG=C; systemctl start 'sharedfolders-dane1.mount' 2>&1' with exit code '4': Failed to start sharedfolders-dane1.mount: Access denied See system logs and 'systemctl status sharedfolders-dane1.mount' for details.

guletz · Apr 16, 2018

pmxforum said:
3. create Debian 8 LXC container with at least 1Gb RAM (2Gb as RAM will be much comfortable. But if You are planning to use ZFS — You need much more RAM and should consult with ZFS system requirements) and 2Gb RootFS

Using zfs on top of a HW RAID it is a bad decision -> bad performance results and in some cases at a zpool coruption event!

vobo70 · Apr 16, 2018

I don't use ZFS on that server

pmxforum · Apr 16, 2018

hi. Tomorrow I'll make a fresh installation of latest omv and report you about it. maybe something changed in omv core.

vobo70 · Apr 16, 2018

Ok .Thank you very much

pmxforum · Apr 16, 2018

Done.
...
1. comment lines with:
lxc.mount.entry: /media/dane1 srv/sdc1 none bind,create=dir,optional 0 0
lxc.mount.entry: /media/dane2 srv/sdb1 none bind,create=dir,optional 0 0
in /etc/pve/lxc/<lxc_num>.conf on Proxmox server
2. restart container
3. check in containers /etc/fstab that there is no any lines about mount /dev/sd*
if any mount lines exist - comment them and restart container.
if not - skip reboot and follow to gui and try to mount file systems with applying changes.
4. after successful mount you'll find a new mount options in /etc/fstab of container.
you should comment all this lines with mount options.
5. go back again to Proxmox server to edit /etc/pve/lxc/<lxc_num>.conf and uncomment
lxc.mount.entry: /media/dane1 srv/sdc1 none bind,create=dir,optional 0 0
lxc.mount.entry: /media/dane2 srv/sdb1 none bind,create=dir,optional 0 0
6. restart container with OpenMediaVault.
7. after this manipulati0ns you'll be able to create shared directories via GUI of OpenMediaVailt.

I'm successfully tested this way

vobo70 · Apr 16, 2018

after try in step 3 - mount filesystems by OMV GUI this is what I get:
Failed to execute command 'export PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin; export LANG=C; mount -v --source '/dev/disk/by-label/dane2' 2>&1' with exit code '1': mount: can't find mount source /dev/disk/by-label/dane2 in /etc/fstab

vobo70 · Apr 16, 2018

an this is blkid in OMV container:
/dev/sdb1: LABEL="dane2" UUID="7980df78-8173-4ae7-a38e-0b3bcb2b9df5" TYPE="ext4" PARTLABEL="dane2" PARTUUID="d34a2a2e-3aff-4e26-b177-8ee886409b3f"
/dev/sdc1: LABEL="dane1" UUID="a6dfa5fb-d16d-4852-a502-7201c3fa9a37" TYPE="ext4" PARTLABEL="dane1" PARTUUID="74df1554-9edc-4b38-b48d-43e0a17c1f8b"

OpenMediaVault installation in LXC with attached HW block device

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