Learning Forum

[callum.walley]

Recently installed 2021R1 on our cluster and CFX/Fluent have been failing due to a licence error.nUsing Centos7nUsers have no issues using 2021R1 CFX/Fluent on their local machines using the same licence server.nLicence settings are provided by setting ANSYSLMD_LICENSE_FILE = 1055@ nAll previous installs of ANSYS work fine with identical setup.nComparing the licence debug logs of the same casefile run with v202 vs v211nv202n2021/04/20 10:18:44  NEW_CONNECTION   nConnected to license server: 2325@.n  ANSYSLI_SERVERS: 2325@n  FLEXlm Servers: 1055@n2021/04/20 10:18:45  CHECKOUT      cfd_solve_level2        20.2 (2020.0507)    1/1/36/1375    77/83/8640/8640 103417:CFX_SOLVER:cwal219@wbl002.cm.cluster:linx64    56056:10.65.5.155 n2021/04/20 10:18:45  CHECKOUT      cfd_solve_level1        20.2 (2020.0507)    1/1/36/1375    77/83/8640/8640 103417:CFX_SOLVER:cwal219@wbl002.cm.cluster:linx64    56056:10.65.5.155 n2021/04/20 10:18:45  CHECKOUT      cfd_base            20.2 (2020.0507)    1/1/40/1375    77/83/8640/8640 103417:CFX_SOLVER:cwal219@wbl002.cm.cluster:linx64    56056:10.65.5.155 n2021/04/20 10:18:45  CHECKOUT      FEAT_CFD_BASE         20.2 (2020.0507)     1/1/40/-1    77/83/8640/8640 103417:CFX_SOLVER:cwal219@wbl002.cm.cluster:linx64    56056:10.65.5.155 n....n2021/04/20 10:19:07  CHECKIN      cfd_solve_level1        20.2 (2020.0507)    1/0/35/1375    77/83/8640/8640 103417:CFX_SOLVER:cwal219@wbl002.cm.cluster:linx64    56056:10.65.5.155 n2021/04/20 10:19:07  CHECKIN      CFX_SOLVER           20.2 (2020.0507)      1/0/0/1    77/83/8640/8640 103417:CFX_SOLVER:cwal219@wbl002.cm.cluster:linx64    56056:10.65.5.155 n2021/04/20 10:19:07  CHECKIN      cfd_solve_level2        20.2 (2020.0507)    1/0/35/1375    77/83/8640/8640 103417:CFX_SOLVER:cwal219@wbl002.cm.cluster:linx64    56056:10.65.5.155 n2021/04/20 10:19:07  CLIENT_EXIT                                           76/83/8640/8640 103417:CFX_SOLVER:cwal219@wbl002.cm.cluster:linx64    56056:10.65.5.155  nv211n2021/04/19 11:08:15  INFO        Starting Licensing Client Proxy server.n2021/04/19 11:08:15  INFO        /opt/nesi/share/ANSYS/v211/licensingclient/linx64/ansyscl -acl 27126.33050 -nodaemon -log /home/cwal219/.ansys/ansyscl.wbl010.27126.33050.logn2021/04/19 11:08:15  INFO        Started ANSYSLI server.n2021/04/19 11:08:32  CLIENT_CONNECT                                             1/1/1/1 27126:CFX_SOLVER:cwal219@wbl010.cm.cluster:linx64     9:10.65.5.163   n2021/04/19 11:08:32  NEW_CONNECTION   Connected to Licensing Client Proxy server: 45742@127.0.0.1.n2021/04/19 11:08:33  INFO        Parent Child context created with id 701e46cf-1bd3-47e6-9109-72d830ca38bd.n2021/04/19 11:08:37  CLIENT_CONNECT                                             2/2/2/2 27223:CFX_SOLVER:cwal219@wbl010.cm.cluster:linx64     10:10.65.5.163   n2021/04/19 11:08:37  NEW_CONNECTION   Connected to Licensing Client Proxy server:45742@wbl010.cm.cluster.n2021/04/19 11:09:19  INFO        Using Parent Child context 701e46cf-1bd3-47e6-9109-72d830ca38bd.n2021/04/19 11:09:19  INFO        Unable to connect to FLEXlm path 1055@a; adding to Unavailable FLEXlm Servers cache.n2021/04/19 11:09:19  DENIED       FEAT_CFD_SOLVE_LEVEL2     21.1 (2020.1029)      1/0/0/0        2/2/2/2 27223:CFX_SOLVER:cwal219@wbl010.cm.cluster:linx64     10:10.65.5.163   n...nFailover feature 'CFD Solver - Level 2' is not available.nFLEXlm server is not responding. Resource temporarily not available.n  ANSYSLI_SERVERS: 2325@n  FLEXlm Servers: 1055@n2021/04/20 10:19:50  DENIED       cfd_solve_level2        21.1 (2020.1029)      1/0/0/0        2/2/2/2 103425:CFX_SOLVER:cwal219@wbl002.cm.cluster:linx64    10:10.65.5.155   n...n2021/04/20 10:19:51  CLIENT_EXIT                                               1/2/2/2 103425:CFX_SOLVER:cwal219@wbl002.cm.cluster:linx64    10:10.65.5.155   n2021/04/20 10:19:52  CLIENT_EXIT                                               0/2/1/2 103232:CFX_SOLVER:cwal219@wbl002.cm.cluster:linx64    9:10.65.5.155  nAs you can see, in the v211 log it seems to be launching a proxy server on the local compute node and then failing.nnHow do I stop this from happening?nThanks in advance, some urgency.n

[George Karnos]

Array
2021 R1 uses direct connection to Flexnet instead of using the ANSYS Licensing Interconnect like earlier version.
The proxy is needed.
On the license server, edit the license file and:
Edit VENDOR line to be: VENDOR ansyslmd PORT=1056
Make sure that port 1056 is added to any inbound/outbound firewall exceptions on all machines
You can run the following to test ports for lmgrd and ansyslmd
(echo >/dev/tcp//1055) &>/dev/null && echo "Open 1055" || echo "Close 1055"
(echo >/dev/tcp//1056) &>/dev/null && echo "Open 1056" || echo "Close 1056"
Hope this helps!
Geo

[callum.walley]

.

Thanks Geo,

We also had to fix the interconnect port to 1056 as it seems to be dynamic by default, but after that everything seemed to work.

?

.