Re: raid1 on HDD + RAM ?

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Janek Kozicki wrote:
> Hi,
> 
> It's possible to have a ramdisk device.
yes

> Would it make any sense in
> doing raid1 using a common HDD and a ramdisk?
It sounds interesting if you have a need...

md just uses block devices so there shouldn't be a problem.


> They would automatically sync on boot-up of the computer.
You'd need to create and --add the ramdisk...

> I'm asking because an ultra-fast READ and normal WRITE would be
> useful for me...

Also look at the --write-mostly and --write-behind options in mdadm.

David

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