[Lustre-devel] storing SOM epoch in EA

Yuriy Umanets Yury.Umanets at Sun.COM
Tue Feb 19 06:44:14 PST 2008

Nikita Danilov wrote:
> Yuriy Umanets writes:
>  > Alex Zhuravlev wrote:
>  > > btw, are you proposing to store LOV in global IAM?
>  > by "LOV" you mean LOV EA? If yes, well, this is too radical idea seems, 
>  > but it may be worse to think on. Finally using IAM with it will cost 
>  > almost nothing in meaning of additional development. IAM should be ready 
>  > for that.
>  > 
>  > Nikita, is there any limitations for value size in IAM?
> Htree shift code will be upset if key+value are larger than one fourth
> of a block, but that's easy to fix.
This is in fact interesting idea. An object (inode + EA, etc) always 
gets more and more info while adding new features and one day we will 
face the need to get rid of EA seems because it's too big.

>  > 
>  > Thanks.
> Nikita.


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