10 More Discussions You Might Find Interesting
1. Red Hat
I am facing strange behaviour of iostat command and top command. where initially it is showing high utilization and after it is showing low utilization.
iostat command
avg-cpu: %user %nice %system %iowait %steal %idle
73.60 0.01 23.93 0.92 0.00 1.54
Device: rrqm/s wrqm/s r/s w/s... (3 Replies)
Discussion started by: manoj.solaris
3 Replies
2. Shell Programming and Scripting
Hi,
I got the code below is one of the threads from this forum.
lineCount=$(iostat | wc -l)
numDevices=$(expr $lineCount - 7);
iostat $interval -x -t |
awk -v awkCpuFile=$cpuFile -v awkDeviceFile=$deviceFile -v awkNumDevices=$numDevices '
BEGIN {
print... (2 Replies)
Discussion started by: gopivallabha
2 Replies
3. Shell Programming and Scripting
Hi,
I have a requirement where parsed output from various linux commands like top, netstat, iostat, etc. will be the input for one javascript with the parsed output from these commands converted to JSON format
For "iostat" command, since there are two outputs - one w.r.t CPU utilization and... (2 Replies)
Discussion started by: gopivallabha
2 Replies
4. SuSE
Hi,
my os is SLES 10
from sort
iostat
as my output does not include rkB/s and wkB/s I probably have to adjust the key position, so
is the following iostat pipe to sort service request command correct?
oracle@vmc_stallite:~> iostat -x | sort -nrk11
sda 0.96 ... (4 Replies)
Discussion started by: jediwannabe
4 Replies
5. Solaris
Hi Everyone,
I try to calculate the total hard disk space of a solaris machine using iostat -En command. Iterating the output and summing up all the number present near the Size: will give the exact size of the harddisk. But it is not working for a machine.
This command works in many flavors... (2 Replies)
Discussion started by: prasankn
2 Replies
6. AIX
Hello, I support Oracle 11g on AIX 7.1.
Using the command
$iostat -D hdisk2 hdisk4 hdisk5 5
I get the following output:
hdisk5 xfer: %tm_act bps tps bread bwrtn
44.0 1.4M 178.2 1.4M 14.7K
read: ... (3 Replies)
Discussion started by: oracledba1024
3 Replies
7. Solaris
Hello everyone,
Can you please explain me what kind of information do IOSTAT show ?
iostat -xnz 3 show me those informations:
The I/O of the c0t0d0 disk is normal ?
extended device statistics
r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device
0.0 ... (3 Replies)
Discussion started by: adilyos
3 Replies
8. Shell Programming and Scripting
Does anyone have an example of IOSTAT -eE in a script???????
Need to see the syntax in a script (4 Replies)
Discussion started by: walnutpony123
4 Replies
9. UNIX for Dummies Questions & Answers
Hello,
On Solaris 10, iostat -E gives me the following results:
sd1 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0
Vendor: FUJITSU Product: MAY2073RCSUN72G Revision: 0501 Serial No: 0708S08M2L
Size: 73.40GB <73400057856 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0... (1 Reply)
Discussion started by: lieselr
1 Replies
10. Filesystems, Disks and Memory
All,
I am attempting to help tune a Sun for better performance (mainly for SAS 9.1), and have found indicators pointing to poor I/O utilization. I have run iostat -cx, and found one device in particular where the %w is in the 90's during processing. I have a feeling that this is where the SAS... (3 Replies)
Discussion started by: dj_is
3 Replies