with Tags:
num_cmd_elems
X
X
kdb and fscsi attributes
I received the following
question from an AIX administrator in Germany. “ Hi Chris, on your blog, you explain how to find out the active value
of num_cmd_elems of an fc-adapter by using the kdb. So you can
decide, if the value of lsattr is active or not ... I wonder if you can find out the values fc_err_recov and
dyntrk of the fscsiX device.? # lsattr -El fscsi0 attach
switch How this adapter is
CONNECTED False dyntrk
yes Dynamic Tracking of
FC Devices True fc_err_recov delayed_fail FC... [More]
Tags: fc_error_recov chris_gibson dyntrk fscsi num_cmd_elems attributes kdb aix |
Checking num_cmd_elems for VFC adapters with kdb
This entry is
similar in theme to one of my previous posts about verifying your hdisk queue_depth settings with kdb . This time we want to check if an attribute for a Virtual FC (VFC)
adapter has been modified and whether or not AIX has been restarted since the
change. The attribute I’m interested in is num_cmd_elems .
This value is often changed from its default settings, in AIX environments, to improve
I/O performance on SAN attached storage. From
kdb you can identify the VFC
adapters configured on an AIX system using the vfcs... [More]
Tags: odm -p kdb lsattr chris_gibson num_cmd_elems adapter vfcs aix chdev reboot vfc |
