The VMware Knowledge Base provides support solutions, error messages and troubleshooting guides
Zimbra Collaboration Server (ZCS) mount points (2021190)
- Inability to create a hard link or quick renames via a move operation
- During some standard operations, in the
mailbox.logfile you see an error similar to:
java.io.IOException: Unable to rename current redo log to
- Poor disk performance when transferring data from one location to another
- Permission errors
- Incorrect mount options
- Bind mounts
- Direct mount points
This is a good choice for most small to medium-sized nodes; preferably used for mounting RAID10 partitions.
VMware does not recommended mounting
/opt/zimbrafull path, because this forces the sysadmin to use the LUN entirely for Zimbra only. Although this is a best practice, this choice lacks flexibility. If there is a temporary need to relocate data within the LUN, a ZCS upgrade processes could wipe everything, so only use this option with caution.
This contains the blobs for the whole mailbox node.
This contains the indexes created and updated on every mail delivery for the user.
MySQL data is stored here. Because this is a critical system, it should be as performant as possible.
This contains binary dumps of every transaction which occurs within
This is the only mount point which can be mounted via NFS. It can become very large, so a dedicated mountpoint is almost mandatory.
Generally speaking, it is better not to mount lower folder levels (for example,
For example, given the
java.io.IOExceptionreported in the Symptoms section, we can see that the issue is about renaming a file. The system relies on
File.renameTo, which fails if the source and destination filename reside on different file systems.
mountoutput must not show:
/zimbra-iscsi/archive on /opt/zimbra/redolog/archive type none(rw,bind)
This is the desired/correct output:
/zimbra-iscsi/redolog on /opt/zimbra/redolog type none (rw,bind)
Request a Product Feature
To request a new product feature or to provide feedback on a VMware product, please visit the Request a Product Feature page.