The Enterprise Vault collector reports an event ID 6945, "There is not enough disk space to complete the operation," when plenty of free disk space exists.

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Article ID: 100021722

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Updated On:

Description

Error Message

Event Type:           Warning
Event Source:         Enterprise Vault
Event Category:       Storage File Watch
Event ID:             6945
Description: There is not enough disk space to complete compaction of Collection files.
 
Partition root path: E:\EVStorage\Partition2
Required disk space: 100 KB
Available disk space for compaction: 0 KB
Total free disk space: 1234567890 KB
V-437-6945
 

Cause

As in this example, there is plenty of total free space, but the actual issue is that each collector is attempting to issue a lock to the same disk at the same time.  One partition will obtain the lock and begin to process collections, whereas other partitions will be unable to receive a lock on the disk, and therefore, has 0kb available at that moment to process collections.

 

Resolution

By changing the default schedule for each partition so that the collectors begin at different times, this issue can be alleviated entirely.

 

 

 

Issue/Introduction

When the Enterprise Vault (EV) collector begins to process files, certain Windows operating system functions are called to temporarily request a "lock" of the disk itself to perform certain calculations. If an environment is configured in such a way that multiple Vault Store partitions are set to use the same disk and all of the partitions have collections enabled with the default schedule, one or more partitions may report an error similar to the following.
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