Weird (negative) vmstat / iostat response

Weird (negative) vmstat / iostat response

Post by Hansel & Grete » Wed, 25 Jun 2003 04:32:13



I'm getting this on a live machine :

host%vmstat
 procs      memory      page                    disks     faults      cpu
 r b w     avm    fre  flt  re  pi  po  fr  sr da0 md0   in   sy  cs us sy
id
 1 0 0  205304  28772    3   0   0   0   6   5   0   0  201  107  39 -4 -11
115

host%iostat
      tty             da0             acd0              fd0             cpu
 tin tout  KB/t tps  MB/s   KB/t tps  MB/s   KB/t tps  MB/s  us ni sy in id
  -0   -9  0.00   0  0.00   0.00   0  0.00   0.00   0  0.00  -4 -0 -9 -2115

Running 4.7-RELEASE, SMP kernel on a dual 2.4 GHz IBM xServer. What could
that be ?

Rgds

 
 
 

1. iostat shows negative numbers

When I issue iostat without any options, I receive output that has
negative numbers (See below).  Any ideas what is wrong?

--kevin wagner

$ iostat

tty:      tin         tout   avg-cpu:  % user    % sys     % idle    %
iowait
         -0.1        -16.1             -65.3     -2.4      -33.5
-0.1

Disks:        % tm_act     Kbps      tps    Kb_read   Kb_wrtn
hdisk0          -0.5      -3.4      -0.5    3379626  69900985
hdisk1          -0.0      -0.2      -0.0     435108   3092034
hdisk2          -0.0      -0.6      -0.0    4100279   9500170
cd0             -0.0      -0.0      -0.0        176         0

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