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What is Backing device used for?
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loody
Dec 4, 2011, 6:30:02 AM12/4/11
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Dear all:
Is there any document which explain what "backing device" used for?
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Thanks a lot,
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Is there any document which explain what "backing device" used for?
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Thanks a lot,
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Mulyadi Santosa
Dec 4, 2011, 11:30:02 AM12/4/11
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On Sun, Dec 4, 2011 at 18:22, loody <mil...@gmail.com> wrote:
> Dear all:
> Is there any document which explain what "backing device" used for?
such as "backing block device" in caching?
> Dear all:
> Is there any document which explain what "backing device" used for?
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Mulyadi Santosa
Freelance Linux trainer and consultant
blog: the-hydra.blogspot.com
training: mulyaditraining.blogspot.com
Mandeep Sandhu
Dec 5, 2011, 8:00:02 AM12/5/11
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>> > Is there any document which explain what "backing device" used for?
Have a look at the initramfs doc to get brief idea:
http://www.mjmwired.net/kernel/Documentation/filesystems/ramfs-rootfs-initramfs.txt
From what I've understood, is that backing device/store is the device
onto which _committed_ data is actually written. This might be a block
device like a hard-disk, flash mem or even the RAM (used by in-memory
file-systems).
CMIIW.
HTH,
-mandeep
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