Re: feature request: read/write priorities on multiple devices/raid1

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Hi all,

On Thu, Sep 25, 2008 at 2:10 PM, Chris Mason <chris.mason@xxxxxxxxxx> wrote:
> On Thu, 2008-09-25 at 11:19 +0200, Kaspar Schleiser wrote:
>> Hello everybody!
>>
>> This is my first post on the list, let me know if I'm not following any
>> rules.
>>
>> What do you think about adding priorities for raid1 arrays?
>>
>> For example, always use /dev/ram0 (ramdisk) for reading/writing, but
>> nonetheless write everything additionally on /dev/sda1. Restore to
>> /dev/ram0 after mount if it is empty.
>>
>
> I don't plan on adding support for non-persistent storage, but there
> will be the idea of a fast frontend device that is basically a cache for
> slower devices.

Something like yet another caching/buffer layer between the buffer
cache and the storage devices?

I recall reading something similiar to that in a listing of new
features of a recent revision of ZFS ?

-- 
Miguel Sousa Filipe
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