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5.319. sysstat

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An updated sysstat package that fixes multiple bugs and adds three enhancements is now available for Red Hat Enterprise Linux 6.
The sysstat package contains a set of utilities which enable system monitoring of disks, network, and other I/O activity.

Bug Fixes

BZ#690562
Prior to this update, the cifsiostat utility did not report the correct number of open files on CIFS file systems. A patch has been applied to ensure that the cifsiostat utility outputs the correct number of open files on CIFS file systems.
BZ#694759
Prior to this update, the "iostat -n" command did not list NFS shares with excessively long names. The underlying source code has been revised to ensure that the command lists all NFS shares available.
BZ#771594
Previously, nr_requests could overflow if set to high values. As a consequence, the "iostat" and "sar -d" command would report the overflowed values from the /proc/diskstats file instead of the proper values. The underlying source code has been modified to ensure that the "iostat" and "sar -d" commands output the correct information.
BZ#801453
Previously, the sa2 script could return an error code even when the script completed successfully. The underlying source code has been modified so that the sa2 script now returns the correct code on successful completion.
BZ#801702
Running the "sar" command with the "-p" option to "pretty-print" device names did not work as expected if the device minor number was greater than 256. The device names were incorrectly displayed as "nodev" or "dev-[major number]-[minor number]". With this update, the value of the IOC_MAXNIMOR constant has been increased, and devices with the minor number greater than 256 are now displayed correctly in the "sar" output.

Enhancements

BZ#674648
Previously, on 64-bit PowerPC architectures, the mpstat utility displayed all processors, including both busy and idle processors with zero activity. This update introduces a new option for the mpstat utility, "-P ON". If this option is used, mpstat lists only online processors.
BZ#693398
With this update, the SADC_OPTIONS configuration variable has been moved from the sysstat init script, located in the /etc/init.d/ directory, to the sysstat configuration file located in the /etc/sysconfig/ directory. Also, a note about the -S option was added to the sadc manual page.
BZ#766431
Previously, the iostat utility did not display target device information if a symbolic link was specified as an input parameter. This update adds support for symbolic links as input parameters in the iostat utility.
All users of sysstat are advised to upgrade to this updated package, which fixes these bugs and adds these enhancements.
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