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After the system session is over, user work can resume as normal.
Timetable of System Session on 28th June - 5th July 2022
| Note |
|---|
This is the last chance to check whether your MARS/ECFS activity will continue to run during the actual DHS Move. |
| Date | Time (UTC) | Event | Impact | User action |
|---|
| 10:00 | Change configuration of all services using MARS/ECFS to point to the temporary DHS in Bologna. |
| Check service status |
| 10:00 - 10:30 | 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. |
| during next 7 days | DHS Move dry-run mode | Behaviour as expected during the DHS Move: only essential/recent data will be available | If the data you request is not available, wait until the end of the System Session before re-running failed requests. |
| | Revert to use DHS infrastructure in Reading | Short interruption. | Please re-run all failed requests/scripts. |
| 15:00 - |
| Longer than usual turn-around time should be expected until back-log clears | Check service status |
| Expand |
|---|
| title | Timetable of System Session on 26-28 April 2022 >> |
|---|
|
| Date | Time (UTC) | Event | Impact | User action |
|---|
| 10:00 | Change configuration of all services using MARS/ECFS to point to the temporary DHS in Bologna. |
| Check service status | | 10:00 - 10:30 | 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. |
| during next 48 hours | DHS Move dry-run mode | Behaviour as expected during the DHS Move: only essential/recent data will be available | If the data you request is not available, wait until the end of the System Session before re-running failed requests. | | | Revert to use DHS infrastructure in Reading | Short interruption. | Please re-run all failed requests/scripts. | | 10:00 - |
| Note |
|---|
System Session Completed at 10:00 UTC - Please, re-submit failed jobs |
| Longer than usual turn-around time should be expected until back-log clears | Check service status |
|
| Expand |
|---|
| title | Timetable of System Session on 5 Apr 2022 >> |
|---|
|
| Time (UTC) | Event | Impact | User action |
|---|
| 8:00 | Change configuration of all services using MARS/ECFS to point to the temporary DHS in Bologna. |
| Check service status | | 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 essential/recent data 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 - |
| Note |
|---|
System Session Completed at 18:00 UTC - Please, re-submit failed jobs |
| Longer than usual turn-around time should be expected until back-log clears | Check service s |
|
...
| Code Block |
|---|
|
mars - INFO - 20220331.170650 - Server task is 809 [marsod-core]
mars - ERROR - 20220331.170650 - Mars server task finished in error
mars - ERROR - 20220331.170650 - UserError: DHS infrastructure in Reading disabled. Please, re-run your request. If you see this message again for the same request, please, raise a ticket [marsod-core]
mars - ERROR - 20220331.170650 - Error code is -2
|
When requesting MARS data available in temporary DHS in Bologna
| Code Block |
|---|
|
mars - INFO - 20220331.165631 - Server task is 839 [temporary-dhs-prod]
mars - INFO - 20220331.165631 - Request cost: N fields, BBBBBBBB Mbytes online, nodes: mvr007 [temporary-dhs-prod]
mars - INFO - 20220331.165631 - Transfering BBBBBBBBB bytes
mars - INFO - 20220331.165631 - N fields retrieved from 'temporary-dhs'
|
When requesting MARS data not available during the DHS Move
| 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 - AccessError: 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
|
When listing ECFS data available in temporary DHS in Bologna
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