On Feb 15, 15:25, Matthias Petermann wrote:
}
} I am using file-backed vnds as storage for my Xen domains. In each of
} the vnds there is a GPT with the corresponding partitions.
}
} Is there an easy way to access the GPT and the partitions from outside,
} i.e. preferably from the host to the image file? I would like to
} implement a kind of thin-provisioning, where I copy a base image as a
} sparse file over and over again, and then change a few small things in
} it before the first start of the domain - like the fixed IP address.
Did you try it?
i386devel: {19} ls -agl disk
-rw-r--r-- 1 root wheel 10485760 Dec 11 19:14 disk
i386devel: {20} gpt show disk
start size index contents
0 1 PMBR
1 1 Pri GPT header
2 32 Pri GPT table
34 20413 Unused
20447 32 Sec GPT table
20479 1 Sec GPT header
i386devel: {21} gpt add disk
disk: Partition 1 added: 49f48d5a-b10e-11dc-b99b-0019d1879648 34 20413
i386devel: {22} vnconfig vnd0 disk
i386devel: {23} tail /var/log/messages
Feb 15 09:34:13 i386devel /netbsd: [ 8774614.0138168] vnd0: GPT GUID:
72d09e6e-60f0-457b-a9a0-5ae67e18b044
Feb 15 09:34:13 i386devel /netbsd: [ 8774614.0138168] dk2 at vnd0:
"fc24628d-f3ef-443e-9928-2886af3b495b", 20413 blocks at 34, type: ffs
}-- End of excerpt from Matthias Petermann
