can you clarify your steps, maybe adding the commands that you used? Which hbase version are you using? (HBASE-8455 doesn't seems to be related from the log)
I assume: 1) Create, Export and Verify snapshot means - from hbase shell/client code on Cluster-1 take the snapshot: snapshot 'table_name', 'snapshotName' - from a shell of Cluster-1 export snapshot on Cluster-2 with: hbase org.apache.hadoop.hbase.snapshot.ExportSnapshot -snapshot snapshotName ... - from a shell on Cluster-2 verify snapshot with: hbase org.apache.hadoop.hbase.snapshot.SnapshotInfo -snapshot snapshotName 2) Started HBase from scratch means - Remove everything from Cluster 1 with: disable 'tableName' .. drop 'tableName' .. delete_snapshot 'snapshotName' 3) Import snapshot created in Step 1 means - from a shell in Cluster-2 export snapshot to Cluster-1: hbase org.apache.hadoop.hbase.snapshot.ExportSnapshot -snapshot snapshotName ... - from a shell on Cluster-1 verify snapshot with: hbase org.apache.hadoop.hbase.snapshot.SnapshotInfo -snapshot snapshotName - from a shell on Cluster-1: clone_snapshot 'snapshotName', 'tableName' 4 and 5 I've no idea what you mean Matteo On Mon, Dec 9, 2013 at 11:25 AM, oc tsdb <[email protected]> wrote: > Hi, > > we are taking tsdb data backup using HBase snapshots. > > We tested the scenario as mentioned below: > > 1. Created snapshots and exported all snapshots successfully. > Exported data contains archive+hbase-snapshot > 2. Started HBase from scratch (removed all Hbase tabled and created again) > 3. Successfully imported all snapshots created in step 1. > 4. Again Created snapshots on imported data (step 3) and exported all > snapshots. > Exported data contains only hbase-snapshot but not archive.Why? > 5. Now tried to import snapshots created in step 4 but we are getting below > exception. > > Exception in thread "main" java.io.FileNotFoundException: Unable to open > link: org.apache.hadoop.hbase.io.HFileLink locations=[hdfs:// > > tsdb.test.com:54310/tsdb_full_backup_2013-12-09_00.24.03/tsdb/1a3e8367302757a653efffbbde3b462b/t/tsdb=1a3e8367302757a653efffbbde3b462b-e265daa7b19d4911a5196c6f56a4162e > , > hdfs:// > > tsdb.test.com:54310/tsdb_full_backup_2013-12-09_00.24.03/.tmp/tsdb/1a3e8367302757a653efffbbde3b462b/t/tsdb=1a3e8367302757a653efffbbde3b462b-e265daa7b19d4911a5196c6f56a4162e > , > hdfs:// > > tsdb.test.com:54310/tsdb_full_backup_2013-12-09_00.24.03/.archive/tsdb/1a3e8367302757a653efffbbde3b462b/t/tsdb=1a3e8367302757a653efffbbde3b462b-e265daa7b19d4911a5196c6f56a4162e > ] > at org.apache.hadoop.hbase.io.FileLink.getFileStatus(FileLink.java:376) > at > > org.apache.hadoop.hbase.snapshot.ExportSnapshot$1.storeFile(ExportSnapshot.java:390) > at > > org.apache.hadoop.hbase.util.FSVisitor.visitRegionStoreFiles(FSVisitor.java:115) > at > > org.apache.hadoop.hbase.util.FSVisitor.visitTableStoreFiles(FSVisitor.java:81) > at > > org.apache.hadoop.hbase.snapshot.SnapshotReferenceUtil.visitTableStoreFiles(SnapshotReferenceUtil.java:116) > at > > org.apache.hadoop.hbase.snapshot.SnapshotReferenceUtil.visitReferencedFiles(SnapshotReferenceUtil.java:101) > at > > org.apache.hadoop.hbase.snapshot.ExportSnapshot.getSnapshotFiles(ExportSnapshot.java:385) > at > > org.apache.hadoop.hbase.snapshot.ExportSnapshot.run(ExportSnapshot.java:633) > at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) > at > > org.apache.hadoop.hbase.snapshot.ExportSnapshot.innerMain(ExportSnapshot.java:705) > at > > org.apache.hadoop.hbase.snapshot.ExportSnapshot.main(ExportSnapshot.java:709) > > > Exception in thread "main" java.io.FileNotFoundException: Unable to open > link: org.apache.hadoop.hbase.io.HFileLink locations=[hdfs:// > > tsdb.test.com:54310/tsdb_full_backup_2013-12-09_00.24.03/tsdb-uid/f9e5e554f111dc0679dfc8069b282ff7/id/tsdb-uid=f9e5e554f111dc0679dfc8069b282ff7-e76015449a5247b988d15c64c273d43c > , > hdfs:// > > tsdb.test.com:54310/tsdb_full_backup_2013-12-09_00.24.03/.tmp/tsdb-uid/f9e5e554f111dc0679dfc8069b282ff7/id/tsdb-uid=f9e5e554f111dc0679dfc8069b282ff7-e76015449a5247b988d15c64c273d43c > , > hdfs:// > > tsdb.test.com:54310/tsdb_full_backup_2013-12-09_00.24.03/.archive/tsdb-uid/f9e5e554f111dc0679dfc8069b282ff7/id/tsdb-uid=f9e5e554f111dc0679dfc8069b282ff7-e76015449a5247b988d15c64c273d43c > ] > at org.apache.hadoop.hbase.io.FileLink.getFileStatus(FileLink.java:376) > at > > org.apache.hadoop.hbase.snapshot.ExportSnapshot$1.storeFile(ExportSnapshot.java:390) > at > > org.apache.hadoop.hbase.util.FSVisitor.visitRegionStoreFiles(FSVisitor.java:115) > at > > org.apache.hadoop.hbase.util.FSVisitor.visitTableStoreFiles(FSVisitor.java:81) > at > > org.apache.hadoop.hbase.snapshot.SnapshotReferenceUtil.visitTableStoreFiles(SnapshotReferenceUtil.java:116) > at > > org.apache.hadoop.hbase.snapshot.SnapshotReferenceUtil.visitReferencedFiles(SnapshotReferenceUtil.java:101) > at > > org.apache.hadoop.hbase.snapshot.ExportSnapshot.getSnapshotFiles(ExportSnapshot.java:385) > at > > org.apache.hadoop.hbase.snapshot.ExportSnapshot.run(ExportSnapshot.java:633) > at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) > at > > org.apache.hadoop.hbase.snapshot.ExportSnapshot.innerMain(ExportSnapshot.java:705) > at > > org.apache.hadoop.hbase.snapshot.ExportSnapshot.main(ExportSnapshot.java:709) > > > Can someone help us to understand the reason to fail snapshot import. > Is this issue similar to HBASE-8455? > > Thanks > -OC >
