BackupPC-users

[BackupPC-users] Noted Observations & Complaints Using BackupPC for 5 mon

2010-04-23 09:14:50
Subject: [BackupPC-users] Noted Observations & Complaints Using BackupPC for 5 mon
From: Saturn2888 <backuppc-forum AT backupcentral DOT com>
To: backuppc-users AT lists.sourceforge DOT net
Date: Fri, 23 Apr 2010 09:13:27 -0400

Les Mikesell wrote:
> Saturn2888 wrote:
> 
> > Since it was mentioned before, here's iostat:
> > 
> > Every 2.0s: iostat                                                          
> >                                                                             
> >                                                               Fri Apr 23 
> > 05:34:51 2010
> > 
> > Linux 2.6.24-27-server (grubber)        04/23/2010
> > 
> > avg-cpu:  %user   %nice %system %iowait  %steal   %idle
> > 19.91    0.04    2.99   70.84    0.00    6.23
> > 
> > Device:            tps   Blk_read/s   Blk_wrtn/s   Blk_read   Blk_wrtn
> > sda              92.73      1937.06      2538.96  196266513  257252240
> > 
> > 
> 
> The first set of values from iostat is a long accumulation that you normally 
> should ignore.  If you give a number on the command line it will run 
> continuously reporting every so many seconds.  A value of 1 to 5 should give 
> you 
> meaningful samples when the machine is busy.
> 
> But, that 70% iowait number pretty much tells you what the machine is doing 
> with 
> most of its time...
> 
> -- 
> Les Mikesell
> lesmikesell < at > gmail.com
> 
> 
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I did "watch iostat" and saw that consistently.

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