On Wed, 2006-07-19 at 11:24 +0100, Peter Grandi wrote:
> >>> On Tue, 18 Jul 2006 21:20:44 -0400, Ming Zhang <mingz@xxxxxxxxxxx> said:
>
> [ ... ]
>
> mingz> when u say large parallel storage system, you mean
> mingz> independent spindles right? but most people will have all
> mingz> disks configured in one RAID5/6 and thus it is not
> mingz> parallel any more.
>
> As I was saying...
>
> pg> Most of the reports about ''corruption'' are consequences
> pg> of not being aware of what it was designed for, how it
> pg> works and how it should be used...
>
> mingz> [ .. ] example on what is an improper use?
> pg> Well, this mailing list is full of them :-).
>
> pg> But then I have seen people building RAIDs stuffing in a
> pg> couple dozen drives from the same shipping box, [ ... ]
>
> :-)
>
> BTW as to these:
>
> * A 64 bit system.
> * With a large, parallel storage system.
> * The block IO system handles all storage errors.
> * With backups of the contents of the storage system.
>
> I forgot a very essential one:
>
> * With lots of RAM, size proportional to that of the largest filesystem.
>
> [ ... ]
>
what kind of "ram vs fs" size ratio here will be a safe/good/proper one?
any rule of thumb? thanks!
hope not 1:1. :)
Ming
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