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Full Discussion: hdisk0 usage 100%
Operating Systems AIX hdisk0 usage 100% Post 302263258 by zaxxon on Monday 1st of December 2008 06:49:52 AM
Old 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.
 

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FILESCHANGED(1) 						   User Commands						   FILESCHANGED(1)

NAME
fileschanged - displays altered files SYNOPSIS
fileschanged [OPTION...] [FILE]... DESCRIPTION
Monitors FILEs for alterations. Display the filenames of FILEs that were created, changed, deleted, started execution or finished execut- ing. -s, --show=EVENT[,...] Display created, changed, deleted, executing, or executed files (Default is "created,changed") -a, --show-all Display all file events and the associated action -f, --files-to-monitor (Default) Monitor the FILEs on the command line -l, --filelist=FILE Monitor the list of filenames inside FILE -L, --dereference Don't monitor symlinks, monitor what's pointed to -r, --recursive Monitor subdirectories of directories -t, --timeout=N Delay showing changed files for N seconds (Def=2) -p, --display-action Display action when showing altered files -x, --exec=PROG Run PROG when file is altered (PROG action filename) -?, --help Give this help list --usage Give a short usage message -V, --version Print program version FILEs must exist when monitoring begins, or they will not be monitored. REPORTING BUGS
Report bugs to <benasselstine@users.sf.net>. SEE ALSO
The full documentation for fileschanged is maintained as a Texinfo manual. If the info and fileschanged programs are properly installed at your site, the command info fileschanged should give you access to the complete manual. fileschanged 0.6.5 July 2010 FILESCHANGED(1)
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