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Full Discussion: Poor Performance of server
Operating Systems AIX Poor Performance of server Post 302597380 by guzzelle on Friday 10th of February 2012 06:15:13 AM
Old 02-10-2012
for
Code:
lvmo -a -v oravg
 
vgname = oravg
pv_pbuf_count = 512
total_vg_pbufs = 512
max_vg_pbufs = 16384
pervg_blocked_io_count = 2848
pv_min_pbuf = 512
max_vg_pbuf_count = 0
global_blocked_io_count = 2848
 
for ioo -a | grep aio
 
 
aio_active = 1
aio_maxreqs = 65536
aio_maxservers = 30
aio_minservers = 3
aio_server_inactivity = 300
posix_aio_active = 0
posix_aio_maxreqs = 65536
posix_aio_maxservers = 30
posix_aio_minservers = 3
posix_aio_server_inactivity = 300

For mount:


Code:
node mounted mounted over vfs date options
-------- --------------- --------------- ------ ------------ ---------------
/dev/hd4 / jfs2 Feb 02 07:31 rw,log=/dev/hd8
/dev/hd2 /usr jfs2 Feb 02 07:31 rw,log=/dev/hd8
/dev/hd9var /var jfs2 Feb 02 07:31 rw,log=/dev/hd8
/dev/hd3 /tmp jfs2 Feb 02 07:31 rw,log=/dev/hd8
/dev/hd1 /home jfs2 Feb 02 07:31 rw,log=/dev/hd8
/dev/hd11admin /admin jfs2 Feb 02 07:31 rw,log=/dev/hd8
/proc /proc procfs Feb 02 07:31 rw
/dev/hd10opt /opt jfs2 Feb 02 07:31 rw,log=/dev/hd8
/dev/livedump /var/adm/ras/livedump jfs2 Feb 02 07:31 rw,log=/dev/ hd8
/dev/fslv00 /u01 jfs2 Feb 02 07:31 rw,log=/dev/loglv 00
/dev/fslv01 /bankadm jfs2 Feb 02 07:31 rw,log=/dev/loglv 00
/dev/fslv02 /smeadm jfs2 Feb 02 07:31 rw,log=/dev/loglv 00
/dev/fslv03 /infosys jfs2 Feb 02 07:31 rw,log=/dev/loglv 00
/dev/fslv04 /uatadm1 jfs2 Feb 02 07:31 rw,log=/dev/loglv 00
/dev/fslv05 /uatadm2 jfs2 Feb 02 07:31 rw,log=/dev/loglv 00
/dev/fslv06 /DB_Backups jfs2 Feb 02 07:31 rw,log=/dev/loglv 00
/dev/fslv07 /REPORTS jfs2 Feb 02 07:31 rw,log=/dev/hd8

Hi here it is. servers going insane again.

for
Code:
iostat -A 2 10
 
System configuration: lcpu=24 drives=4 ent=6.00 paths=3 vdisks=0 maxserver=720
aio: avgc avfc maxgc maxfc maxreqs avg-cpu: % user % sys % idle % iowait physc % entc
     842.8  0.0    18     0     130             5.7   1.1   84.7      8.6   0.6   10.6
Disks:        % tm_act     Kbps      tps    Kb_read   Kb_wrtn
hdisk0           0.0       0.0       0.0          0         0
hdisk1           0.0       0.0       0.0          0         0
hdisk8          90.0     11755.1     873.2         64      6896
cd0              0.0       0.0       0.0          0         0
aio: avgc avfc maxgc maxfc maxreqs avg-cpu: % user % sys % idle % iowait physc % entc
     354.8  0.0    25     0     130             5.7   2.4   90.0      1.8   0.7   12.2
Disks:        % tm_act     Kbps      tps    Kb_read   Kb_wrtn
hdisk0           0.0       0.0       0.0          0         0
hdisk1           0.0       0.0       0.0          0         0
hdisk8          77.0     4971.9     364.1         32      5812
cd0              0.0       0.0       0.0          0         0
aio: avgc avfc maxgc maxfc maxreqs avg-cpu: % user % sys % idle % iowait physc % entc
     40.1  0.0    13     0     130             6.5  34.0   59.1      0.4   2.6   42.8
Disks:        % tm_act     Kbps      tps    Kb_read   Kb_wrtn
hdisk0           0.0       0.0       0.0          0         0
hdisk1           0.0       0.0       0.0          0         0
hdisk8          39.8     514.4      45.0         24      2592
cd0              0.0       0.0       0.0          0         0
aio: avgc avfc maxgc maxfc maxreqs avg-cpu: % user % sys % idle % iowait physc % entc
     182.0  0.0    41     0     130            15.2  61.4   20.7      2.8   5.2   86.8
Disks:        % tm_act     Kbps      tps    Kb_read   Kb_wrtn
hdisk0           0.0       0.0       0.0          0         0
hdisk1           0.0       0.0       0.0          0         0
hdisk8          86.0     3339.4     215.7        120      7992
cd0              0.0       0.0       0.0          0         0
aio: avgc avfc maxgc maxfc maxreqs avg-cpu: % user % sys % idle % iowait physc % entc
     376.2  0.0    46     0     130             8.3   1.5   81.5      8.7   1.0   16.2
Disks:        % tm_act     Kbps      tps    Kb_read   Kb_wrtn
hdisk0           0.0       0.0       0.0          0         0
hdisk1           0.0       0.0       0.0          0         0
hdisk8          87.5     5979.9     361.2        124      9080
cd0              0.0       0.0       0.0          0         0
aio: avgc avfc maxgc maxfc maxreqs avg-cpu: % user % sys % idle % iowait physc % entc
     421.0  0.0    16     0     130             8.0   1.3   83.6      7.1   0.9   14.8
Disks:        % tm_act     Kbps      tps    Kb_read   Kb_wrtn
hdisk0           0.0       0.0       0.0          0         0
hdisk1           0.0       0.0       0.0          0         0
hdisk8          85.5     7500.7     465.6        316      7416
cd0              0.0       0.0       0.0          0         0
aio: avgc avfc maxgc maxfc maxreqs avg-cpu: % user % sys % idle % iowait physc % entc
     733.6  0.0    16     0     130            10.3   2.0   80.2      7.5   1.2   19.6
Disks:        % tm_act     Kbps      tps    Kb_read   Kb_wrtn
hdisk0           0.0       0.0       0.0          0         0
hdisk1           0.0       0.0       0.0          0         0
hdisk8          89.5     12812.5     807.1        372      9216
cd0              0.0       0.0       0.0          0         0
aio: avgc avfc maxgc maxfc maxreqs avg-cpu: % user % sys % idle % iowait physc % entc
     809.0  0.0    14     0     130             9.0   2.5   79.8      8.7   1.1   18.2
Disks:        % tm_act     Kbps      tps    Kb_read   Kb_wrtn
hdisk0           5.5     113.1      29.6          0        84
hdisk1           5.0     113.1      29.6          0        84
hdisk8          99.0     13659.7     1177.8        516      9632
cd0              0.0       0.0       0.0          0         0
aio: avgc avfc maxgc maxfc maxreqs avg-cpu: % user % sys % idle % iowait physc % entc
     870.7  0.0    30     0     130             8.4   1.9   79.8      9.9   1.0   16.5
Disks:        % tm_act     Kbps      tps    Kb_read   Kb_wrtn
hdisk0           2.5     118.7      28.0          0        89
hdisk1           2.5     118.7      28.0          0        89
hdisk8         100.0     13466.7     1176.0        316      9784
cd0              0.0       0.0       0.0          0         0
aio: avgc avfc maxgc maxfc maxreqs avg-cpu: % user % sys % idle % iowait physc % entc
     110.7  0.0    25     0     130             9.2   1.9   87.8      1.2   1.1   17.7
Disks:        % tm_act     Kbps      tps    Kb_read   Kb_wrtn
hdisk0           0.0       0.0       0.0          0         0
hdisk1           0.0       0.0       0.0          0         0
hdisk8          96.0     1717.1     125.7        408      9956
cd0              0.0       0.0       0.0          0         0

for
Code:
vmstat -wt 2 10
 
System configuration: lcpu=24 mem=43776MB ent=6.00
 kthr          memory                         page                       faults                 cpu             time
------- --------------------- ------------------------------------ ------------------ ----------------------- --------
  r   b        avm        fre    re    pi    po    fr     sr    cy    in     sy    cs us sy id wa    pc    ec hr mi se
  3   5    5332179     267293     0     0     0     0      0     0   872  67095 12478  6  2 87  5  0.72  12.0 08:17:38
  3   5    5333619     265694     0     0     0     0      0     0   407  36802  8098  6  2 88  4  0.76  12.7 08:17:40
  4   3    5241734     357241     0     0     0     0      0     0   347  24027  4011  5  4 89  2  0.71  11.9 08:17:42
 14   1    5240262     358637     0     0     0     0      0     0    81  12622  1707  7 47 46  1  3.33  55.6 08:17:44
 12   5    5334239     264497     0     0     0     0      0     0   353  58126  8237 13 47 34  5  4.26  71.0 08:17:46
  5   3    5334903     263760     0     0     0     0      0     0   869  56980 14657  7  2 83  8  0.83  13.8 08:17:48
  3   2    5335191     263413     0     0     0     0      0     0   661  51832 12989  5  1 84 10  0.58   9.7 08:17:50
  3   2    5335417     263121     0     0     0     0      0     0     0      0     0  4  1 86  9  0.51   8.5 08:17:52
  2   2    5335725     262748     0     0     0     0      0     0   170  14532  3256  5  1 92  1  0.65  10.8 08:17:54
  1   2    5335968     262442     0     0     0     0      0     0   574  39562  9331  4  2 84 10  0.55   9.2 08:17:56


for
Code:
iostat -A 2 10
 
System configuration: lcpu=24 drives=4 ent=6.00 paths=3 vdisks=0 maxserver=720
aio: avgc avfc maxgc maxfc maxreqs avg-cpu: % user % sys % idle % iowait physc % entc
     842.8  0.0    18     0     130             5.7   1.1   84.7      8.6   0.6   10.6
Disks:        % tm_act     Kbps      tps    Kb_read   Kb_wrtn
hdisk0           0.0       0.0       0.0          0         0
hdisk1           0.0       0.0       0.0          0         0
hdisk8          90.0     11755.1     873.2         64      6896
cd0              0.0       0.0       0.0          0         0
aio: avgc avfc maxgc maxfc maxreqs avg-cpu: % user % sys % idle % iowait physc % entc
     354.8  0.0    25     0     130             5.7   2.4   90.0      1.8   0.7   12.2
Disks:        % tm_act     Kbps      tps    Kb_read   Kb_wrtn
hdisk0           0.0       0.0       0.0          0         0
hdisk1           0.0       0.0       0.0          0         0
hdisk8          77.0     4971.9     364.1         32      5812
cd0              0.0       0.0       0.0          0         0
aio: avgc avfc maxgc maxfc maxreqs avg-cpu: % user % sys % idle % iowait physc % entc
     40.1  0.0    13     0     130             6.5  34.0   59.1      0.4   2.6   42.8
Disks:        % tm_act     Kbps      tps    Kb_read   Kb_wrtn
hdisk0           0.0       0.0       0.0          0         0
hdisk1           0.0       0.0       0.0          0         0
hdisk8          39.8     514.4      45.0         24      2592
cd0              0.0       0.0       0.0          0         0
aio: avgc avfc maxgc maxfc maxreqs avg-cpu: % user % sys % idle % iowait physc % entc
     182.0  0.0    41     0     130            15.2  61.4   20.7      2.8   5.2   86.8
Disks:        % tm_act     Kbps      tps    Kb_read   Kb_wrtn
hdisk0           0.0       0.0       0.0          0         0
hdisk1           0.0       0.0       0.0          0         0
hdisk8          86.0     3339.4     215.7        120      7992
cd0              0.0       0.0       0.0          0         0
aio: avgc avfc maxgc maxfc maxreqs avg-cpu: % user % sys % idle % iowait physc % entc
     376.2  0.0    46     0     130             8.3   1.5   81.5      8.7   1.0   16.2
Disks:        % tm_act     Kbps      tps    Kb_read   Kb_wrtn
hdisk0           0.0       0.0       0.0          0         0
hdisk1           0.0       0.0       0.0          0         0
hdisk8          87.5     5979.9     361.2        124      9080
cd0              0.0       0.0       0.0          0         0
aio: avgc avfc maxgc maxfc maxreqs avg-cpu: % user % sys % idle % iowait physc % entc
     421.0  0.0    16     0     130             8.0   1.3   83.6      7.1   0.9   14.8
Disks:        % tm_act     Kbps      tps    Kb_read   Kb_wrtn
hdisk0           0.0       0.0       0.0          0         0
hdisk1           0.0       0.0       0.0          0         0
hdisk8          85.5     7500.7     465.6        316      7416
cd0              0.0       0.0       0.0          0         0
aio: avgc avfc maxgc maxfc maxreqs avg-cpu: % user % sys % idle % iowait physc % entc
     733.6  0.0    16     0     130            10.3   2.0   80.2      7.5   1.2   19.6
Disks:        % tm_act     Kbps      tps    Kb_read   Kb_wrtn
hdisk0           0.0       0.0       0.0          0         0
hdisk1           0.0       0.0       0.0          0         0
hdisk8          89.5     12812.5     807.1        372      9216
cd0              0.0       0.0       0.0          0         0
aio: avgc avfc maxgc maxfc maxreqs avg-cpu: % user % sys % idle % iowait physc % entc
     809.0  0.0    14     0     130             9.0   2.5   79.8      8.7   1.1   18.2
Disks:        % tm_act     Kbps      tps    Kb_read   Kb_wrtn
hdisk0           5.5     113.1      29.6          0        84
hdisk1           5.0     113.1      29.6          0        84
hdisk8          99.0     13659.7     1177.8        516      9632
cd0              0.0       0.0       0.0          0         0
aio: avgc avfc maxgc maxfc maxreqs avg-cpu: % user % sys % idle % iowait physc % entc
     870.7  0.0    30     0     130             8.4   1.9   79.8      9.9   1.0   16.5
Disks:        % tm_act     Kbps      tps    Kb_read   Kb_wrtn
hdisk0           2.5     118.7      28.0          0        89
hdisk1           2.5     118.7      28.0          0        89
hdisk8         100.0     13466.7     1176.0        316      9784
cd0              0.0       0.0       0.0          0         0
aio: avgc avfc maxgc maxfc maxreqs avg-cpu: % user % sys % idle % iowait physc % entc
     110.7  0.0    25     0     130             9.2   1.9   87.8      1.2   1.1   17.7
Disks:        % tm_act     Kbps      tps    Kb_read   Kb_wrtn
hdisk0           0.0       0.0       0.0          0         0
hdisk1           0.0       0.0       0.0          0         0
hdisk8          96.0     1717.1     125.7        408      9956
cd0              0.0       0.0       0.0          0         0

for
Code:
vmstat -wt 2 10
 
System configuration: lcpu=24 mem=43776MB ent=6.00
 kthr          memory                         page                       faults                 cpu             time
------- --------------------- ------------------------------------ ------------------ ----------------------- --------
  r   b        avm        fre    re    pi    po    fr     sr    cy    in     sy    cs us sy id wa    pc    ec hr mi se
  3   5    5332179     267293     0     0     0     0      0     0   872  67095 12478  6  2 87  5  0.72  12.0 08:17:38
  3   5    5333619     265694     0     0     0     0      0     0   407  36802  8098  6  2 88  4  0.76  12.7 08:17:40
  4   3    5241734     357241     0     0     0     0      0     0   347  24027  4011  5  4 89  2  0.71  11.9 08:17:42
 14   1    5240262     358637     0     0     0     0      0     0    81  12622  1707  7 47 46  1  3.33  55.6 08:17:44
 12   5    5334239     264497     0     0     0     0      0     0   353  58126  8237 13 47 34  5  4.26  71.0 08:17:46
  5   3    5334903     263760     0     0     0     0      0     0   869  56980 14657  7  2 83  8  0.83  13.8 08:17:48
  3   2    5335191     263413     0     0     0     0      0     0   661  51832 12989  5  1 84 10  0.58   9.7 08:17:50
  3   2    5335417     263121     0     0     0     0      0     0     0      0     0  4  1 86  9  0.51   8.5 08:17:52
  2   2    5335725     262748     0     0     0     0      0     0   170  14532  3256  5  1 92  1  0.65  10.8 08:17:54
  1   2    5335968     262442     0     0     0     0      0     0   574  39562  9331  4  2 84 10  0.55   9.2 08:17:56

for
Code:
vmstat -v
 

             11206656 memory pages
             10828768 lruable pages
               248616 free pages
                    3 memory pools
              1343188 pinned pages
                 80.0 maxpin percentage
                  3.0 minperm percentage
                 90.0 maxperm percentage
                 51.4 numperm percentage
              5573666 file pages
                  0.0 compressed percentage
                    0 compressed pages
                 51.4 numclient percentage
                 90.0 maxclient percentage
              5573666 client pages
                    0 remote pageouts scheduled
                    0 pending disk I/Os blocked with no pbuf
                    0 paging space I/Os blocked with no psbuf
                 2484 filesystem I/Os blocked with no fsbuf
                    0 client filesystem I/Os blocked with no fsbuf
                17400 external pager filesystem I/Os blocked with no fsbuf
                 48.0 percentage of memory used for computational pages


for
Code:
vmstat -s
 

           8287091950 total address trans. faults
            145986799 page ins
            252876407 page outs
                    0 paging space page ins
                    0 paging space page outs
                    0 total reclaims
           6351948830 zero filled pages faults
            372268119 executable filled pages faults
            308073096 pages examined by clock
                    0 revolutions of the clock hand
            174117315 pages freed by the clock
              9608977 backtracks
              2540378 free frame waits
                    0 extend XPT waits
             11749011 pending I/O waits
            398863545 start I/Os
             59679605 iodones
           9815133595 cpu context switches
             81257292 device interrupts
            823962209 software interrupts
            445828327 decrementer interrupts
                63094 mpc-sent interrupts
                63094 mpc-receive interrupts
               287741 phantom interrupts
                    0 traps
          12314453621 syscalls


Last edited by zxmaus; 02-10-2012 at 08:24 AM.. Reason: added tags
 

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