Fluent-D is not able to forward logs to the elastic search

[akshaysharama]

Hi,

Forwarder is sending logs to the aggregator as show below.
2023-11-24 10:26:27 +0000 [info]: #0 following tail of /var/log/containers/my-pod-d57f4d689-r585r_pod-server-2a7363c6de646466897a334520614617f8bcfff3172d66521b7f8a5f9c9839f1.log

aggregator
2023-11-24 13:13:31 +0000 [warn]: #0 emit transaction failed: error_class=Fluent::Plugin::Buffer::BufferOverflowError error="can't create buffer file for /opt/bitnami/fluentd/logs/buffers/logs.buffer/buffer.*.log. Stop creating buffer files: error = Read-only file system @ rb_sysopen - /opt/bitnami/fluentd/logs/buffers/logs.buffer/buffer.b60ae5b803f5714d245c9c437b55192a5.log" location="/opt/bitnami/fluentd/gems/fluentd-1.15.3/lib/fluent/plugin/buffer/file_chunk.rb:289:in `rescue in create_new_chunk'" tag="kubernetes.var.log.containers.pod-server-d57f4d689-r585r_pod-server-2a7363c6de646466897a334520614617f8bcfff3172d66521b7f8a5f9c9839f1.log"

We have a proper underlying storage, but still facing this issue, please help.