Douglas McClendon wrote:
Coco Computers & Consulting wrote:
When I boot with Centos 5.1 Live CD, a df command shows the root
filesystem / is mounted to /dev/mapper/livecd-rw and shows a total of
about 4GB with 50% available.
...
Long ago I
submitted a patch such that the devicemapper device would have
a size greater than 4GB, but the filesystem still be formatted to 4GB.
With that kind of patch, such a user of a 16GB filesystem could
resize2fs the filesystem larger post boot, and not be limited.
...
And I'm also pretty sure that the same thing can be accomplished without
any patch anyway... (using a linear device mapper device that is the
addition of the 4G sparse file, and a device mapper 'zero' device of
arbitary length...)
I really love device mapper.
-dmc
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