How to fix ABS error "restore failed: failed to process data: invalid namespace

Problem Description

While setting up Aerospike Backup Service (ABS), the following error was observed in the restore file.

"error": "failed to restore routine dailyLocalBackupRoutine, namespace test by timestamp: restore failed: failed to process data: invalid namespace test (expected: abc)"

The Restore API configuration was as follows:

     "policy": {

|         "no-generation": true,

|         "namespace": {

|             "destination": "xyz",

|             "source": "abc"

|         },

|         "compression": {

|             "level": 1,

|             "mode": "ZSTD"

|         }

|     },

|   "routine": "dailyLocalBackupRoutine",

|   "time": <timestamp>

| }

Backup information for a specific timestamp:

"dailyLocalBackupRoutine": [

        {
            "namespace": "abc",

            "key": "dailyLocalBackupRoutine/backup/<timestamp>/data/abc",

        },

        {
            "namespace": "test",

            "key": "dailyLocalBackupRoutine/backup/<timestamp>/data/test",
         }

Explanation

From the above information, it is evident that restore process is treating all namespaces associated with the same routine (dailyLocalBackupRoutine) and timestamp (<timestamp>) as part of the restore, even though a specific namespace mapping ("source": "abc" → "destination": "xyz") was explicitly defined in the restore request.

Solution

As a part of the solution, we recommend configuring separate routines for each namespace, as outlined in the reference documentation. For example:

• dailyLocalBackupRoutine_abc

• dailyLocalBackupRoutine_test

In addition, the key should be updated to distinguish between namespaces. 

For example:

Before: 

"key": "dailyLocalBackupRoutine/backup/<timestamp/data/testns"

After:

"key": "dailyLocalBackupRoutine_test/backup/<timestamp>/data/test"