Symptoms
An attempted restore from the Cloud Tier to Active Tier on Data Domain fails when running an Avamar restore of a cloud tiered backup.The logs show the following:
avtier Info : Running ddrmaint recall-backup for client '4cdabxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
avtier Info : Retrieved status message ''
avtier Error : Backup 1D73EF45XXXXXX:X failed to recall, reason: Failed to recall backup
avtier Info : Retrieved null status message
avtier Info : Statistic information:
avtier Info : 0 backup recalled successfully:
......
avtier Info : 1 backup recalled unsuccessfully:
Cause
The cloud tier provider is either down, unreachable, or has a severe error that needs resolution.
Resolution
1. Attempt the restore from the command line (Use Step 2 from Avamar: How to recall backups that were migrated to DataDomain Cloud Tier as a reference):
avtier --operation=restore --hfsaddr= --hfsport=27000 --path=/clients/ --labelnum=
2. If this shows the failure output:
Load the Data Domain ssh keys.Log in to the Data Domain server.Check the health of the server:
ddboostuser@ddserver# alerts show current
Id Post Time Severity Class Object Message
------- ------------------------ -------- ---------- ---------------- ---------------------------------------------------------------------------
xx-xxx Sat Apr 9 14:02:02 2022 CRITICAL Filesystem FilesysType=2 EVT-SPACE-00004: Space usage in Data Collection has exceeded 90% threshold.
xx-xxxx Mon Apr 11 10:23:57 2022 CRITICAL Cloud CloudUnit=XXX_XX EVT-CLOUD-00001: Unable to access provider for cloud unit XXX_XX.
d. Run the following commands to directly check the status of the cloud tier:
ddboostuser@ddserver# filesys show space tier cloud
ddboostuser@ddserver# cloud unit list
If any error or failure is reported about the cloud unit provider, open a service request with the Data Domain team to assist with resolution.
