Re: [Xen-users] Searching for a Filesystem / Storage Solution

[Javier Guerra Giraldez <javier@xxxxxxxxxxx>]

Marc Patino Gómez wrote:
> sorry because my english, I don't want to say that google fs can be 
> purcharsed. I read some papers about Google fs, it looks great. The most 
> similar fs that I found is Lustre fs, but until 2008 it will not have 
AFAIK, google fs isn't really an FS like most of us know it.  i mean, 
even if you sneak your linux box into the googleplex and manage to plug 
it in, you couldn't mount a filesystem and check it like directories and 
so on.
it's more like a peer-to-peer storage application.  each box has a 
'sharing' deamon, and some libraries to access the data.  if you have 
the key to a file, you can read it; or maybe just migrate the file to 
your local system and read/write it there.
on top of that, there's the 'bigtable' system, to store huge amounts of 
data that you can process without really reading into your box; you just 
define the processes you want to be done on the data and it's applied by 
several boxes.
in short; not a general purpose file server; but hugely scalable, and 
wonderfully adapted to their needs.
--
Javier

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