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Troubleshooting [L20]Out of disk space (NFChannelOutOfDiskSpaceException) errors

Symptoms

Replication stops
The VMware vCenter Server Heartbeat Event Log displays the following error, originating from either server in the pair:

[L20]Out of disk space

Resolution

This is similar to the [L9]Exceeded the maximum disk usage scenario, with one important difference - one of the queues has exceeded the amount of physical disk space available for it, without reaching its quota limit. So, for example, if the maximum queue size is set to 5GB, but only 3GB of physical disk space remains, this error is reported if one of the queues exceeds 3GB in size.

It is necessary either to free up more disk space, or to move the queues to a disk with sufficient free space to accommodate queue sizes up to the limit configured for Maximum Disk Usage.

Additional Information

For related troubleshooting information, see Troubleshooting MaxDiskUsage errors (1008561).

vCSHB-Ref-993

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