DAOS-17535 chk: misc improvements for CR logic #17444
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Ticket title is 'DAOS checker cannot completed on Aurora after some engines excluded' |
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Test stage NLT on EL 8.8 completed with status UNSTABLE. https://jenkins-3.daos.hpc.amslabs.hpecorp.net/job/daos-stack/job/daos//view/change-requests/job/PR-17444/1/testReport/ |
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Test stage NLT on EL 8.8 completed with status UNSTABLE. https://jenkins-3.daos.hpc.amslabs.hpecorp.net/job/daos-stack/job/daos//view/change-requests/job/PR-17444/5/testReport/ |
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Test stage Functional Hardware Medium MD on SSD completed with status FAILURE. https://jenkins-3.daos.hpc.amslabs.hpecorp.net//job/daos-stack/job/daos/view/change-requests/job/PR-17444/6/execution/node/1277/log |
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Test stage Functional Hardware Medium Verbs Provider MD on SSD completed with status FAILURE. https://jenkins-3.daos.hpc.amslabs.hpecorp.net//job/daos-stack/job/daos/view/change-requests/job/PR-17444/6/execution/node/1318/log |
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Test stage Functional Hardware Medium Verbs Provider MD on SSD completed with status FAILURE. https://jenkins-3.daos.hpc.amslabs.hpecorp.net//job/daos-stack/job/daos/view/change-requests/job/PR-17444/8/execution/node/1339/log |
Include the followings: 1. When create CHK IV namespace, make the secondary group to be same as the primary group. Otherwise, CHK logic may hit DER_NONEXIST trouble when communicate via IV. 2. Integrate CHK IV namespace create and destroy API, cleanup related logic, redefine the version. 3. Get ranks list and IV namespace version from CHK leader when rejoin. Adjust CHK_REJOIN RPC for related changes. 4. Remove unsupported functionality for checking the specified 'phase'. 5. Add new test for case of lost some engine(s) before start checker. 6. Dedicated ULT to handle dead rank event, that will not be affected by checker start or stop. Then even if check scheduler exited, the subsequent check query still can work against the latest rank list. Signed-off-by: Fan Yong <fan.yong@hpe.com>
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Include the followings:
When create CHK IV namespace, make the secondary group to be same as the primary group. Otherwise, CHK logic may hit DER_NONEXIST trouble when communicate via IV.
Integrate CHK IV namespace create and destroy API, cleanup related logic, redefine the version.
Get ranks list and IV namespace version from CHK leader when rejoin. Adjust CHK_REJOIN RPC for related changes.
Remove unsupported functionality for checking the specified 'phase'.
Add new test for case of lost some engine(s) before start checker.
Dedicated ULT to handle dead rank event, that will not be affected by checker start or stop. Then even if check scheduler exited, the subsequent check query still can work against the latest rank list.
Steps for the author:
After all prior steps are complete: