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CassandraDriveSpaceLow
tei-k edited this page Jun 2, 2020
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This alert indicates that one or more Cassandra instances are reporting low drive space. This alert should fire when 70% of the drive is in use. This should give the operator enough time to plan the next actions.
[prodtest-f4vofpw][FIRING:1] CassandraDriveSpaceLow critical
cassandra-2.internal.scalar-labs.com:9100 - firing - /dev/nvme0n1p1 drive has 3.68% free space
[prodtest-f4vofpw][RESOLVED] CassandraDriveSpaceLow warning
cassandra-2.internal.scalar-labs.com:9100 - resolved
- Connect to the reported instance and local large directories. Check if you can remove any old snapshot.
du --max-depth=1 /path | sort -r -k1,1n
- Expand the disk size. This option varies depending on cloud provider and it is best to check provider specific documents.
- Expand the Cassandra Cluster to spread data around.
- How to access backend instance
- How to manage a cassandra cluster