Troubleshooting Course Content Rough Drafts-Recover Missing Data - User: Difference between revisions
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====Server Restores - Disaster Recoveries==== | ====Server Restores - Disaster Recoveries==== | ||
'''Need to create summary statement''' | |||
References: | |||
* Upgrades And Compatibility Of Older Backups | |||
** "Backups must be compatible across patch releases" | |||
*** http://bugzilla.zimbra.com/show_bug.cgi?id=16239 | |||
** "Incorrect upgrade documentation regarding backups" | |||
*** http://bugzilla.zimbra.com/show_bug.cgi?id=30218 | |||
** "support for restore across major versions" | |||
*** http://bugzilla.zimbra.com/show_bug.cgi?id=15750 | |||
** "Add conversion tool to upgrade backup versions to allow restore on later zcs versions" | |||
*** http://bugzilla.zimbra.com/show_bug.cgi?id=14002 | |||
* From 5.0.7 - 5.0.10 You Might See minor version upgrades moving your backups into a subdirectory | |||
** "upgrade incorrectly invalidates backups." | |||
*** http://bugzilla.zimbra.com/show_bug.cgi?id=304 | |||
====Server Cloning - Server Moves/Testing Purposes==== | ====Server Cloning - Server Moves/Testing Purposes==== |
Revision as of 16:40, 28 January 2015
Need To Do
- review training materials for sys admin course
- determine what should be 'video' and how it can all be built upon preceding steps in a hands on training manner
General Overview Of Backup Environment
Backup Directory Partition & Filesystem
dedicated backup partition - only use supported methods:
- no cifs, etc
- nfs - limited support
Standard Backup or Autogroup
Backup Schedule
crontab
Backup CLI Commands
zmbackup zmbackupquery
Monitoring And Maintenance Of Backups
monitoring backups and disk usage
Server Issues
Questions To Ask & Address Prior To Doing A Server Restore
Should I shutdown ZCS services or block client access until issue and resolution are identified? What data needs to really be restored - can you restore just that or does it need a full restore?
Server Restores
Server Restores - Disaster Recoveries
Need to create summary statement
References:
- Upgrades And Compatibility Of Older Backups
- "Backups must be compatible across patch releases"
- "Incorrect upgrade documentation regarding backups"
- "support for restore across major versions"
- "Add conversion tool to upgrade backup versions to allow restore on later zcs versions"
- From 5.0.7 - 5.0.10 You Might See minor version upgrades moving your backups into a subdirectory
- "upgrade incorrectly invalidates backups."
Server Cloning - Server Moves/Testing Purposes
User Issues
Questions To Ask & Address Prior To Doing A User Restore
- Can data be restored from the user's dumpster [if enabled] ?
- Is there a copy of the data in a third party client ? [POP email client that downloaded it, for example]
- Does the data maybe exist in another user's account ? [For example, the senders account or others in the To/CC]
- Does the data reside in a redolog/s ?
- Finally, restore from backups ?
- Do I need to overwrite the existing account with the restore or should I restore to a new account name?
- Using the option -ca [create account] and -pre restore_ [prefix to the new account name, restore_user@ ]
- What are your retention policies and how it might determine the backup set you need?
- Do I need to overwrite the existing account with the restore or should I restore to a new account name?
User Restores
- Admin Console
- Restore/Backup
- Redirected restore : -ca -pre restored_
- View Mail > TGZ export/import
- Crossmailboxsearch
- CLI
- zmrestore
- to latest point in time
- to specific point in time in past
- to incremental session label
- to full backup label
- zmrestore
- Importing Restored Data Into Parent Account
Trouble-shooting Backup/Restore Issues And Other General Questions
Restore Compatibility Between ZCS Versions
Trouble-shooting