On 1/29/20 2:05 PM, Billich Heinrich Rainer (ID SD) wrote:
Hello,

Can I change the times at which the GUI runs HW_INVENTORY and related tasks?

we frequently get  messages like

   gui_refresh_task_failed     GUI           WARNING     12 hours ago      The following GUI refresh task(s) failed: HW_INVENTORY

The tasks fail due to timeouts. Running the task manually most times succeeds. We do run two gui nodes per cluster and I noted that both servers seem run the HW_INVENTORY at the exact same time which may lead to locking or congestion issues, actually the logs show messages like

EFSSA0194I Waiting for concurrent operation to complete.

The gui calls ‘rinv’ on the xCat servers. Rinv for a single   little-endian  server takes a long time – about 2-3 minutes , while it finishes in  about 15s for big-endian server.

Hence the long runtime of rinv on little-endian systems may be an issue, too

We run 5.0.4-1 efix9 on the gui and ESS  5.3.4.1 on the GNR systems  (5.0.3.2 efix4). We run a mix of ppc64 and ppc64le systems, which a separate xCat/ems server for each type. The GUI nodes are ppc64le.

We did see this issue with several gpfs version on the gui and with at least 
two ESS/xCat versions.

Just to be sure I did purge the Posgresql tables.

I did try

/usr/lpp/mmfs/gui/cli/lstasklog HW_INVENTORY

/usr/lpp/mmfs/gui/cli/runtask HW_INVENTORY –debug

And also tried to read the logs in /var/log/cnlog/mgtsrv/ - but they are 
difficult.


I have seen the same on ppc64le. From time to time it recovers but then it 
starts again. The
timeouts are okay, it is the hardware. I haven opened a call at IBM and they 
suggested upgrading to
ESS 5.3.5 because of the new firmwares which I am currently doing. I can dig 
out more details if you
want.

Uli
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