SUMMARY: Netras IOWait issue.

Hi Gurus,
Sorry for late summary.
Thanks to all who replied:
Casper Dik
Mike Ekholm
Nathan Dietsch

Well there is no issue with Iowait in Netra. The high i/o wait is
"normal" for the type of CPU the netra has.

Thanks Guys
B



Hi Gurus,

I m having a problem with Netras T105. Whenever I copy/untar/delete a
file which is huge about 2 GB or more on local disk it takes lots of
IOwait (it varies between 92-99%) constantly and copy/delete/untar is
painfully slow. It happens on all 3 Netras I have.

All Netras are running Solaris 8 with kernel patch 108528-23.

See below top output :



load averages:  0.07,  0.14,  0.16
15:19:50

34 processes:  32 sleeping, 1 running, 1 on cpu

CPU states:  0.0% idle,  2.0% user,  4.0% kernel, 94.1% iowait,  0.0%
swap

Memory: 1024M real, 824M free, 2050M swap free



  PID USERNAME THR PRI NICE  SIZE   RES STATE   TIME    CPU COMMAND

  359 pnetops    1  58    0 1128K  880K run     1:15  3.30% tar

  314 root       1  58    0 2728K 1944K sleep   0:08  1.12% sshd2

  360 root       1  58    0 2728K 1976K sleep   0:00  0.04% sshd2

  313 root      12  58    0 2440K 1904K sleep   0:00  0.00% mibiisa

  380 pnetops    1  59    0 2096K 1328K cpu     0:00  0.00% top

  169 root       1  10    0 1936K 1200K sleep   0:00  0.00% lockd

   53 root       9  21    0 1568K 1136K sleep   0:00  0.00% syseventd

  238 root       1  22    0 1736K 1072K sleep   0:00  0.00% smcboot

  163 root       1  30    0 1832K 1032K sleep   0:00  0.00% inetd

  224 root       4  32    0 1440K  912K sleep   0:00  0.00% powerd

  239 root       1  32    0 1736K  672K sleep   0:00  0.00% smcboot

  301 root       1  38    0 1840K 1080K sleep   0:00  0.00% ttymon

  293 root       5  40    0 3128K 1968K sleep   0:00  0.00% dmispd

  256 root       1  45    0 2544K 1336K sleep   0:00  0.00% sshd2

  316 pnetops    1  48    0 2504K 1784K sleep   0:00  0.00% bash



Any help/pointer/suggestion will be appreciated.

TIA

B
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