How to share an additional HD with OpenVZ VM

[raid]

Scenario:
2 HD 500 Raid1 hW
1HD 1Tb ext3 backup, mounted on /BACKUP and added to storage with shared option checked
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It's all right into the node server but into the VM I don't found the /BACKUP dir and fstabs is empty.
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How can I share the 1TB HD having the same /BACKUP dir on the VM, so I can store the mysql dump on it using /BACKUP/101/ dir ?

I have to use mkdir /BACKUP/101, mount dev/sda1 /BACKUP/101 and add it to fstab in the virtual machine too?
thx

 

[tom]

take a look on bind mounts, maybe this is useful for you:
http://wiki.openvz.org/Bind_mounts

 

[raid]

Thank, very usefull.

Another question,
Following what reported on the above link, browsing the folders, I noticed that the root admin has full control over the file stored in the virtual machine even if the password is different, isn't it?

 

[tom]

yes, the root user of the host has always full access. that's the intention.

you can also enter a OpenVZ container with:

vzctl enter VMID

without providing any password.