ZCS Administrator Guide 8.0
ZCS Administrator Guide 8.0
Open Source Edition

Managing ZCS Configuration > Storage Management

Storage Management
In the Volume page you manage storage volumes on the Zimbra Mailbox server. When VMware Zimbra Collaboration Server is installed, one index volume and one message volume are configured on each mailbox server. You can add new volumes, set the volume type, and set the compression threshold.
If Compress Blobs is enabled (YES), the disk space used is decreased, but memory requirements for the server increases.
Index Volumes
Each Zimbra mailbox server is configured with one current index volume. Each mailbox is assigned to a permanent directory on the current index volume. You cannot change which volume the account is assigned.
As volumes become full, you can create a new current index volume for new accounts. You can add new volumes, set the volume type, and set the compression threshold
Index volumes not marked current are still actively in use for the accounts assigned to them. Any index volume that is referenced by a mailbox as its index volume cannot be deleted.
Message Volumes
When a new message is delivered or created, the message is saved in the current message volume. Message volumes can be created, but only one is configured as the current volume where new messages are stored. When the volume is full, you can configure a new current message volume. The current message volume receives all new messages. New messages are never stored in the previous volume.
A current volume cannot be deleted, and message volumes that have messages referencing the volume cannot be deleted.
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