* What is Backing device used for?
@ 2011-12-04 11:22 loody
2011-12-04 16:20 ` Mulyadi Santosa
0 siblings, 1 reply; 4+ messages in thread
From: loody @ 2011-12-04 11:22 UTC (permalink / raw)
To: kernelnewbies
Dear all:
Is there any document which explain what "backing device" used for?
--
Thanks a lot,
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* What is Backing device used for?
2011-12-04 11:22 What is Backing device used for? loody
@ 2011-12-04 16:20 ` Mulyadi Santosa
2011-12-05 4:46 ` rohan puri
0 siblings, 1 reply; 4+ messages in thread
From: Mulyadi Santosa @ 2011-12-04 16:20 UTC (permalink / raw)
To: kernelnewbies
On Sun, Dec 4, 2011 at 18:22, loody <miloody@gmail.com> wrote:
> Dear all:
> Is there any document which explain what "backing device" used for?
such as "backing block device" in caching?
--
regards,
Mulyadi Santosa
Freelance Linux trainer and consultant
blog: the-hydra.blogspot.com
training: mulyaditraining.blogspot.com
^ permalink raw reply [flat|nested] 4+ messages in thread
* What is Backing device used for?
2011-12-04 16:20 ` Mulyadi Santosa
@ 2011-12-05 4:46 ` rohan puri
2011-12-05 12:57 ` Mandeep Sandhu
0 siblings, 1 reply; 4+ messages in thread
From: rohan puri @ 2011-12-05 4:46 UTC (permalink / raw)
To: kernelnewbies
On Sun, Dec 4, 2011 at 9:50 PM, Mulyadi Santosa
<mulyadi.santosa@gmail.com>wrote:
> On Sun, Dec 4, 2011 at 18:22, loody <miloody@gmail.com> wrote:
> > Dear all:
> > Is there any document which explain what "backing device" used for?
>
> such as "backing block device" in caching?
>
> --
> regards,
>
> Mulyadi Santosa
> Freelance Linux trainer and consultant
>
> blog: the-hydra.blogspot.com
> training: mulyaditraining.blogspot.com
>
> _______________________________________________
> Kernelnewbies mailing list
> Kernelnewbies at kernelnewbies.org
> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
>
Backing device in linux is a block device.
Regards,
Rohan Puri
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* What is Backing device used for?
2011-12-05 4:46 ` rohan puri
@ 2011-12-05 12:57 ` Mandeep Sandhu
0 siblings, 0 replies; 4+ messages in thread
From: Mandeep Sandhu @ 2011-12-05 12:57 UTC (permalink / raw)
To: kernelnewbies
>> > 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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2011-12-04 11:22 What is Backing device used for? loody
2011-12-04 16:20 ` Mulyadi Santosa
2011-12-05 4:46 ` rohan puri
2011-12-05 12:57 ` Mandeep Sandhu
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