Hi Brock
Thank you.
It 's special algorithm for special files. it is not standard lossless
compression.
It looks like I have to modify the source code.
On Fri, Apr 21, 2017 at 10:58 PM, Brock Palen <bro...@umich.edu> wrote:
> This might be possible (I don't know).
>
> But if you are using a classic tape backed HSM, the tape will do a simple
> lossless compression on it and will be faster.
>
> If you end up hacking in your own, look at pbzip (bzip) or pigz(gzip) for
> multi-threaded compression compatible with their common serial counterparts.
>
>
>
> Brock Palen
> www.umich.edu/~brockp
> Director Advanced Research Computing - TS
> XSEDE Campus Champion
> bro...@umich.edu
> (734)936-1985 <(734)%20936-1985>
>
> On Fri, Apr 21, 2017 at 2:07 AM, Homer Li <01jay...@gmail.com> wrote:
>
>> Hi
>> I want posix copy tool could compress archive data.
>> Do any simple way to avoid modify copy tool source code?
>> Does robinhood 3.0 could custom the plugin ?
>> Thanks.
>>
>> Archive workflow
>> Read data -> write to robinhood temp dir -> compress the data ->
>> copy compressed data to hsm dir.
>>
>> Restore workflow
>> copy compressed data to robinhood temp dir -> uncompress the data ->
>> restore to lustre
>>
>>
>> --
>> Best Regards
>> Homer Li
>>
>> ------------------------------------------------------------
>> ------------------
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>>
>
--
Best Regards
Homer Li
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