Re: I/O issues, iowait problems, 2.4 v 2.6

[Paul Venezia]

On Mon, 2003-11-10 at 23:54, Andrew Morton wrote:

> OK, the IO rates are obviously very poor, and the context switch rate is
> suspicious as well.  Certainly, testing with the single disk would help.

I pulled the secondary, reconfigured to single drives and rebooted. All
is now well, performance is right where it should be.


 0  0      0 1475924   7052  42384    0    0     0     0 1015     6
 0  0      0 1475284   7076  42360    0    0     0   156 1041   311
 0  0      0 1475284   7076  42360    0    0     0     0 1016    12
 0  0      0 1475284   7076  42360    0    0     0     0 1026    30
 2  0      0 1252628   7300 258852    0    0     8 37240 1157   119
 0  3      0 1027284   7524 478064    0    0     8 66016 1441   317
 1  3      0 818132   7728 682948    0    0     4 70752 1439   202 
 1  3      0 593236   7944 901760    0    0     4 64576 1452    92 
 0  4      0 531412   8008 961876    0    0     4 63680 1434    97 
 1  3      0 455604   8084 1035648    0    0     4 69312 1464   103
 0  4      0 388148   8148 1101272    0    0     0 66328 1442   141
 0  4      0 308172   8228 1179120    0    0     4 69964 1446   100
 0  5      0 257548   8280 1228436    0    0     4 67548 1460   148
 1  2      0 195340   8356 1288948    0    0     0 63444 1452   291
 0  5      0 115532   8436 1367884    0    0     4 73896 1448   319


-Paul



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