ZCS Administrator Guide 8.0
ZCS Administrator Guide 8.0
Network Edition


Backup and Restore > Restore Mailboxes When Mail Server Is Down

Restore Mailboxes When Mail Server Is Down
The offline restore process can only be run when the mailboxd server is not running. In general, offline restore is run under the following circumstances:
*
Certain components of the Zimbra server are corrupted, and the server cannot be started. For example, the data in LDAP or the database are corrupted.
*
The offline restore must be run before the ZCS mailbox store server is started to keep the redo logs in sequence.
In a disaster recovery when the Zimbra software is reinstalled, if mailboxd is started before the backup files are restored, the mail server would begin to accept email messages and perform other activities, producing redo logs in the process. Since the pre-disaster data have not been restored to the server, the redo logs would be out of sequence. Once mailboxd is running, it would be too late to restore the pre-disaster data.
The offline restore process goes through the following steps.
1.
Specified accounts to be restored are retrieved. If the command-line does not specify any mailbox address, the list of all mailboxes on the specified mail host are retrieved from Zimbra LDAP directory server.
2.
a.
b.
c.
d.
e.
Restore All Accounts
1.
zmrestoreoffline -a all
2.
zmcontrol startup
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