perfSONAR User Q&A and Other Discussion

[Valentin Vidic <>]

On Thu, Mar 14, 2019 at 01:46:26PM +0000, Chaker, Haythem wrote:
> I am running Ubuntu 18.04 on two machines.
> I am trying to change measurements archive directory for 
> esmond/cassandra/postgresql10 following instructions in the 
> FAQ<http://docs.perfsonar.net/release_candidates/4.1b1/FAQ.html#q-i-have-a-measurement-archive-machine-with-esmond-running-and-there-is-a-separate-disk-partition-mounted-on-the-machine-where-i-want-to-store-all-the-incoming-measurement-data-from-measurement-points-what-is-the-proper-way-to-change-the-default-directory-location-for-storing-the-measurement-archive-data>
>  .
> I changed directories for cassandra (with cassandra chown) and same for 
> postgres .
> After restarting the 3 services :
> 
>   *   The web GUI says "Error loading tset listing; measurement archive 
> unreachable" in the Test results
>   *   <host>/esmond/perfsonar/archive/ returns 500 Internal Server error

You should probably check if cassandra and postgres are running and
not reporting any errors in their logs.

Another option would be to make symlinks to new locations instead of
changing the configurations.

-- 
Valentin Vidic
Computer Systems Engineer - Expert
Department of Computer Infrastructure and Services
Croatian Academic and Research Network - CARNET
Josipa Marohnica 5, HR-10000 Zagreb, Croatia
tel: +385 1 6661 714, fax. +385 1 6661 635
gsm: +385 91 2480 919
www.CARNet.hr