...
Timetable of System Session on
| Time (UTC) | Event | Impact | User action |
|---|---|---|---|
| 8:00 | Change configuration of all services using MARS/ECFS to |
| point to the temporary DHS in Bologna. | |||
| 8:00 - 8:30 | Drain all MARS/ECFS activity in DHS infrastructure in Reading | All active/queued MARS retrieve requests and ECFS get operations on the DHS in Reading will fail. | Please re-run to test behaviour expected during DHS Move. |
| 8:30 - 17:30 |
| DHS Move dry-run mode |
| Behaviour as expected during the DHS Move: only data copied to the temporary DHS will be available | If the data you request is not available, wait until the end of the System Session before re-running failed requests. | ||
| 18:00 | Revert to use DHS infrastructure in Reading: | Short interruption. | Please re-run all failed requests/scripts. |
| 18:00 - | Longer than usual turn-around time should be expected until back-log clears |
...
Log output samples of execution at various stages
When draining MARS activity in Reading
...
| Code Block | ||
|---|---|---|
| ||
mars - INFO - 20220331.165631 - Server task is 839 [temporary-dhs-prod] mars - INFO - 20220331.165631 - Request cost: 6N fields, 18.7706BBBBBBBB Mbytes online, nodes: mvr007 [temporary-dhs-prod] mars - INFO - 20220331.165631 - Transfering 19682388BBBBBBBBB bytes mars - INFO - 20220331.165631 - 6N fields retrieved from 'temporary-dhs' |
...
| Code Block | ||
|---|---|---|
| ||
mars - INFO - 20220331.144749 - Server task is 614 [bologna-marsod-blank] mars - ERROR - 20220331.144749 - Mars server task finished in error mars - ERROR - 20220331.144749 - UserError: This data exists but will be unavailable during the DHS Move. For more information see https://confluence.ecmwf.int/x/jSKADQ [bologna-marsod-blank] mars - ERROR - 20220331.144749 - Error code is -2 |
Available tools
MARS
- Data available during the DHS Move dry-run is listed in the Catalogue of the temporary DHS.
- To monitor the status of your requests during the DHS Move dry-run, please, visit the Temporary DHS server activity.
ECFS
Add Relevant user information/commands re temporary DHS for ECFS
...
If your activity is critical and we have missed to identify it as such, please raise a support ticket, see below, and we will look at your specific requirements.
If your request/command does not behave as describedas described above, please, provide as much information as possible so analysts can investigate/reproduce the problem, for example:
- Service/Tool you are using (mars client, ecfs, metview, web api, verify, etc...)
- Version of the tool you are using
- Host (, such as, ecgb, ATOS, cca, your workstation, ... )and the environment under which it runs, interactive, batch, ...
- Log output produced by MARS/ECFS, including the request
Please report all issues via our Support Portal, mentioning "dhs dry-run" in the title of your computing problem ticket.
...