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Linux Foundation Exam HFCP Topic 4 Question 20 Discussion

Actual exam question for Linux Foundation's HFCP exam
Question #: 20
Topic #: 4
[All HFCP Questions]

What is the only way to recover from a failed migration from Kafka to Raft?

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Suggested Answer: B

Recovering from a failed migration from Kafka to Raft in Hyperledger Fabric involves restoring the state from a backup. This is necessary because once the ordering service is migrated to Raft and begins committing transactions, reverting to Kafka is not supported without a previous backup. If a migration is botched, and a backup was made at the appropriate point, administrators can roll back to this backup to restore the system to its pre-migration state .


by Azalee at Sep 13, 2024, 01:54 PM

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Dominga
21 days ago
B) Restore the state from a backup. Duh, that's the textbook answer. Unless you want to start from scratch and build a whole new Kafka cluster.
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Catherin
24 days ago
Hold on, are we sure there's no cheat code or secret handshake to recover from this? Just asking for a friend.
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Latonia
28 days ago
D) Rebuild the network from scratch? Are you kidding me? That's overkill for a failed migration!
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Tanesha
7 days ago
B) Restore the state from a backup.
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Cristy
18 days ago
A) Retry the migration from Kafka to Raft.
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Phil
1 months ago
I would go with option B as well, it's better to have a backup plan in case of failure.
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Arlene
1 months ago
C) Revert to the previous version of Kafka. It's the quickest way to get back up and running.
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Margret
9 days ago
Let's go ahead and revert to the previous version then.
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Hailey
16 days ago
Agreed, it's the quickest way to recover from the failed migration.
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Bette
25 days ago
I think we should revert to the previous version of Kafka.
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Tiera
1 months ago
B) Restore the state from a backup. That's the only way to ensure a clean recovery after a failed migration.
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Madalyn
22 days ago
C) Revert to the previous version of Kafka.
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Josphine
29 days ago
B) Restore the state from a backup.
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Cordie
1 months ago
A) Retry the migration from Kafka to Raft.
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Tamesha
2 months ago
I agree with Janella, restoring from a backup seems like the safest option.
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Janella
2 months ago
I think the only way to recover is to restore the state from a backup.
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