12-01-2008
1.) Post the output of "vmstat 1 10" at these peak times.
2.) Is some data being used by your application placed on hdisk0? If yes, place this on other non busy disks. Application data usually has not be placed on the OS disks.
3.) Does your application or DB use Asynchronous I/O (AIO)?
4.) Show the output of "lsdev -C| grep -i aio".
5.) Show the output of "lspv| grep hdisk0".
6.) Show the output of "oslevel -s" or "oslevel -r"
7.) Show the output of "vmstat -v| tail -5"
8.) Post the answers here, get a coffee and wait for us to check.
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Help!
Our mail server has 100% disk utilisation. I don't know much about linux but I need to delete something pronto. I only have to keep this thing ticking over until it is replaced by an exchange server in a few weeks, but the phone is constantly ringing with people telling me they can't send... (7 Replies)
Discussion started by: scg
7 Replies
2. UNIX for Dummies Questions & Answers
goodpeople, have a corrupt boot volume and systems keep's on crashing with it. suspecting drive is bad. question is how does one determine which of the 5 internal drives I have in my cage is hdisk0
any help would be appreciated
Thnx (2 Replies)
Discussion started by: Student37
2 Replies
3. AIX
hello, I must've screwed something here..
I just had hdisk0 replaced by IBM.. now it shows up as hdisk2 instead.
Before doing that, I've had it split from hdisk1, and reduced from rootvg.
Just did a rmdev -dl hdisk2.. ran cfgmgr, but still shows up as hdisk2 instead of hdisk0.. help! (2 Replies)
Discussion started by: kiem
2 Replies
4. HP-UX
how can I find cpu usage memory usage swap usage and
I want to know CPU usage above X% and contiue Y times and memory usage above X % and contiue Y times
my final destination is monitor process
logical volume usage above X % and number of Logical voluage above
can I not to... (3 Replies)
Discussion started by: alert0919
3 Replies
5. Solaris
Hi,
I want to monitor the current cpu usage, monitor usage , disk I/o and network utlization for solaris using SNMP.
I want the oids for above tasks.
can you please tell me that
Thank you (2 Replies)
Discussion started by: S_venkatesh
2 Replies
6. AIX
How to monitor the IBM AIX server for I/O usage, memory usage, CPU usage, network usage, storage usage? (3 Replies)
Discussion started by: laknar
3 Replies
7. Solaris
Hi Guys,
I have observed the Oracle (DB USER) is utilizing 100% of the memory in the prstat -a output. I am bit confused is it normal and if not how to bring it down? ABout the machine it is a SunOS 5.10 Generic_125100-10 sun4v sparc SUNW,Sun-Fire-T200.
Please see below output of prstat -a... (12 Replies)
Discussion started by: Asteroid
12 Replies
8. UNIX for Dummies Questions & Answers
Hi all,
Can you please tell me the command, with which one can know the amount of space a specific directory has used.
df -k . ---> Displays, the amount of space allocated, and used for a directory.
du -k <dir name> - gives me the memory used of all the files inside <dir>
But i... (2 Replies)
Discussion started by: abhisheksunkari
2 Replies
9. UNIX for Dummies Questions & Answers
Hi Experts,
If you use df -iv and finds out that one of your mounted drives has 100% inodes used, how can you free it to have more free inodes%? I have removed some files, but still have the 100% used.
Thanks in advance.:b: (3 Replies)
Discussion started by: scomrade
3 Replies
10. UNIX for Dummies Questions & Answers
Let's say i have 20 users logged on Server. How can I know how much memory percent used each of them is using with system time in each user? (2 Replies)
Discussion started by: roy1912
2 Replies