On Wednesday 02 July 2014 05:48 PM, Séguin Cyril wrote:
Hello,
I have one question about EHA.
If I well understand, when a client wants to read or write a file, he
first computes a hash of pathname/file and then knows where read or
write this file.
What happens if the volume is configured with stripe?
Does the client compute a hash of pathname/file_block?
If the files are striped across n bricks and you totally have m bricks
(m should be a multiple of n), for every n bricks a stripe module is the
owner say stripe1, stripe2... stripek (k=m/n). EHA algo treats
strip1..stripek as bricks. And computes the owner of the bricks which is
a set of n bricks. The stripe module is responsible for contacting the
actual physical brick.
- Varun Shastry
Thanks,
Cyril.
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