On Fri, 24 May 2013, Gelen James wrote:
centos 6 failed to create entries under /dev for newly created loopback
devices. Any one know why? and how to fix/workaround it?
The steps to duplicate is pretty simple
dd if=/dev/zero of=/tmp/deleteme bs=1M count=100
losetup /dev/loop0 /tmp/deleteme
fdisk /dev/loop0 ## created partitions 1, 2, etc.
fdisk -l /dev/loop0 ## confirmed that the partitions do exist
At this point, you need to run "kpartx -a /dev/loop0" (fdisk should
have told you so).
mkfs.ext3 /dev/loop0p1 ## failed here [...]
kpartx drops partitions into /dev/mapper, so the actual invocation
would be
mkfs.ext3 /dev/mapper/loop0p1
You can also use partprobe instead of kpartx, but I'm not as familiar
with its operation.
--
Paul Heinlein
[email protected]
45°38' N, 122°6' W
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