ADSM-L

Re: [ADSM-L] "Compressed data grew" retries?

2016-06-30 23:51:54
Subject: Re: [ADSM-L] "Compressed data grew" retries?
From: Tom Alverson <tom.alverson AT GMAIL DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Thu, 30 Jun 2016 23:50:11 -0400
If the server is at 6.3.x and the client is at 7.1.x can it use LZ4 or does
that require the server to also be at 7.1.x?

On Thu, Jun 30, 2016 at 12:06 PM, Paul Zarnowski <psz1 AT cornell DOT edu> 
wrote:

> At 09:31 AM 6/30/2016, Tom Alverson wrote:
> >I will
> >try the compressalways yes setting but hopefully that won't override the
> >exclusions I have set up for common compressed files.
>
> No, compressalways will not override exclude.compress.  The option simply
> says not to retry if compression grows the size.
>
> The legacy LZW compression can grow files that are already in a compressed
> format.  The newer LZ4 compression should not grow an already compressed
> file.  In that respect, it's similar to the compression that LTO tape
> drives can do.
>
> ..Paul
>
>
>
> --
> Paul Zarnowski                            Ph: 607-255-4757
> Assistant Director for Storage Services   Fx: 607-255-8521
> IT at Cornell / Infrastructure            Em: psz1 AT cornell DOT edu
> 719 Rhodes Hall, Ithaca, NY 14853-3801
>

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