[Solved] Given the following snapshot creation request:PUT /_snapshot/my_backup/snapshot_2 { "indices": "logs-*", "ignore_unavailable": true }What will be the effect of ignore_unavailable: true? | Elasticsearch

Elasticsearch - Cluster Management

Given the following snapshot creation request:

PUT /_snapshot/my_backup/snapshot_2
{
  "indices": "logs-*",
  "ignore_unavailable": true
}

What will be the effect of ignore_unavailable: true?

ASnapshot will delete unavailable indices

BSnapshot will fail if any index is missing

CSnapshot will only include unavailable indices

DSnapshot will skip missing or closed indices without failing

Step-by-Step Solution

Solution:

Step 1: Understand ignore_unavailable parameter
Setting ignore_unavailable to true allows the snapshot to continue even if some indices are missing or closed.
Step 2: Eliminate incorrect behaviors
Snapshot does not fail, delete, or include only unavailable indices when this flag is true.
Final Answer:
Snapshot will skip missing or closed indices without failing -> Option D
Quick Check:
ignore_unavailable=true means skip missing indices [OK]

Quick Trick: ignore_unavailable=true skips missing indices safely [OK]

Common Mistakes:

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