On Fri, Jul 25, 2008 at 01:18:40PM -0400, Brian Cuttler wrote:
> 
> We have a Solaris E250 amanda server backing up two T1000 servers,
> also Solaris, hosting Lotus Notes.
> 
> Over time, we decided on HW compression, runs where long but they
> completed pretty reliably at the same time every day.
> 
> We tried an experiment, since we hadn't really tried SW compression
> since we upgraded the client systems, we used SW-client compression
> and removed the HW compression. Runs jumped to 22+ hours, but we where
> not seeing the work area filled (the data was smaller, and it was taking
> longer to get to us).
> 
> So I increased the inparallel parameter, which of course ramped up
> the load on the clients even further.
> 
> The question of which version of Gzip to run arose, we had a fairly
> old version and there is a newer-Sun version available, just didn't
> know how version sensitive we where. I know version of gzip (which
> we use on some partitons on these clients) is very version specific.

- meant to say gtar is very version sensitive.
* "where" should be rewritten "were" is several places.

> Is there a list of tested/approved gzip versions ? I didn't see one
> but may not have dug deep enough.
> 
> Current gzip
> $ /usr/local/bin/gzip -V
> gzip 1.2.4 (18 Aug 93)
> 
> Proposed gzip
> $ /usr/bin/gzip -V
> gzip 1.3.5
> (2002-09-30)
> Copyright 2002 Free Software Foundation 
> 
> 
>                                               thanks,
> 
>                                               Brian
> ---
>    Brian R Cuttler                 brian.cuttler AT wadsworth DOT org
>    Computer Systems Support        (v) 518 486-1697
>    Wadsworth Center                (f) 518 473-6384
>    NYS Department of Health        Help Desk 518 473-0773
> 
> 
> 
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> 
---
   Brian R Cuttler                 brian.cuttler AT wadsworth DOT org
   Computer Systems Support        (v) 518 486-1697
   Wadsworth Center                (f) 518 473-6384
   NYS Department of Health        Help Desk 518 473-0773



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