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Re: [linux-lvm] HUGE LVM log file...



On Tue, Jul 17, 2001 at 11:28:42PM +0200, Wolfgang Weisselberg wrote:
> Guennadi Liakhovetski (g liakhovetski ragingbull com) wrote 23 lines:
> 
> > > > My /var/log/lvm has grown up to 800MB+... and has filled up the disk...
> 
> > > lvmsadc is probably filling it run by cron.
> 
> > Thanks! But why / what for is it needed and why is it created by default
> 
> man lvmsadc: 
>        lvmsadc collects the read/write statistics of the  logical
>        volume  manager  to the file "LogFilePath" or to stdout if
>        no LogFilePath is given.  You should create a  cron  entry
>        for lvmsadc which runs it at regular intervals eg. 10 min­
>        utes.

Well, it should rather say: "If you want to have I/O statistics at hand
for performance tuning, you could create a cron entry..."

Will change that.

> 
> That statistical info can be later used to e.g. decide which
> LEs shoud have PEs at the faster 'begin' (outer edge) of the
> HD.  An automatic LE mover program has not been written yet.

Well, it depends on the brand/model, if the outer edge is the fast area :-)

> 
> -Wolfgang
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-- 

Regards,
Heinz    -- The LVM Guy --

*** Software bugs are stupid.
    Nevertheless it needs not so stupid people to solve them ***

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Heinz Mauelshagen                                 Sistina Software Inc.
Senior Consultant/Developer                       Am Sonnenhang 11
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                                                  Germany
Mauelshagen Sistina com                           +49 2626 141200
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