Tek-Tips is the largest IT community on the Internet today!
Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!
-
Congratulations gkittelson on being selected by the Tek-Tips community for having the most helpful posts in the forums last week. Way to Go!
Search results for query: *
- Users: ydegauquier
- Order by date
-
AIX 5.2 waiting for IO is high
There are no complain from the users, I decided to wait before making more investigation. The fact that the system is making a lot of IO doesn't indicate me that the system has bad performances. Finding bottleneck ant tunning a system is not really easy, and what I remember from my IBM training...- ydegauquier
- Post #10
- Forum: IBM: AIX
-
AIX 5.2 waiting for IO is high
My disks are on a Hitachi SAN (AMS1000). The iostat give me as result that I have some disks that are quite busy. But disks busy indicate for me an activity on the system (database), but doesn't explain the io wait (ok, many io can cause iowait)... hdisk27 0.3 11.8 0.9...- ydegauquier
- Post #8
- Forum: IBM: AIX
-
AIX 5.2 waiting for IO is high
The servers does'nt seems to have paging problem: System Configuration: lcpu=4 mem=15808MB kthr memory page faults cpu ----- ----------- ------------------------ ------------ ----------- r b avm fre re pi po fr sr cy in sy cs us sy id wa 1...- ydegauquier
- Post #3
- Forum: IBM: AIX
-
AIX 5.2 waiting for IO is high
Hi, I have P5 systems (520), running AIX 5.2 ML07 CSP. Mainly the applications are Oracle and the Oracle Cluster. The storage is an Hitachi AMS1000, with HDLM 5.9 I'm surprised that monitoring the systems give me a high percentage of CPU waiting for IO (15% to 60%). I try to discover which...- ydegauquier
- Thread
- Replies: 11
- Forum: IBM: AIX
