Re: How often do you use ram filesystem(ramfs or ramdisk)

["MinChan Kim" <minchan.kim@xxxxxxxxx>]

On Tue, Aug 12, 2008 at 5:23 PM, Rene Herman <rene.herman@xxxxxxxxxxxx> wrote:
> On 12-08-08 09:40, MinChan Kim wrote:
>
>> AFAIK,  many people use ramfs or ramdisk to boot up system temporally.
>> But I want to know other ramfs use case(include ramfs, ramdisk and
>> others ramfile system which I don't know)  except that.
>>
>> How do you use ram filesytsem and for what ?
>
> tmpfs is a widely used RAM based fs. As its name implies, it's intended as
> an fs for /tmp and I do use it as such. It improves (or can improve) speed
> of things that use /tmp and "auto-empties" on reboot.
>
> To use POSIX shared memory, you need a tmpfs mount on /dev/shm.
>
> udev, used by almost all Linux systems these days, mounts a tmpfs on /dev
> itself and creates its device nodes there.
>
> Then ofcourse there are all the virtual filesystems such as proc, sysfs,
> debugfs, usbfs, nfsd, ..., which are also RAM based filesystems (but not
> generic ones).
>
> Personally, I don't use an initramfs/initrd.

Thank you for comment.
Are there any other persons who use ramfs/ramdisk with special
purpose(ex, performance enhancement in HPC) ?


> Rene.
>



-- 
Kinds regards,
MinChan Kim

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