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devos ransomware/malware encrypted oracle database datafiles
one oracle database has been encrypted by devos ransomware malware ,
oracle闪回查询因ORA-01555快照过久错误而失败
在误删除或误更新数据的情况下，oracle 10g以后可以使用flashback query闪回查询来恢复数据，但如果对应的undo数据被部分覆盖了，则闪回查询会因为ORA-01555错误而失败。
针对这种场景 诗檀软件提供了基于闪回的更好的恢复机制，该机制可以帮助用户基于undo和磁盘上的残留信息尽可能恢复数据。
flashback query failed with ORA-01555?
if you deleted/updated data by mistake in oracle. and try to recover data from flashback query. Your query may fail with ora-01555 error:
RMAN RESTORE fails with RMAN-00600 [8064]
APPLIES TO:
Oracle Database - Enterprise Edition - Version 10.2.0.1 to 10.2.0.4 [Release 10.2]
Rman Backup Failed with RMAN-600 [6000]
APPLIES TO:
Oracle Database - Enterprise Edition - Version 11.2.0.2 and later
Oracle Database Exadata Cloud Machine - Version N/A and later
"RMAN-07517: The File Header Is Corrupted Restoring Files on Another Server
APPLIES TO:
Oracle Database - Enterprise Edition - Version 11.2.0.4 to 12.2 BETA1 [Release 11.2 to 12.2]
Errors on rman blockrecover attempt RMAN-06026, RMAN-06023
APPLIES TO:
Oracle Database - Enterprise Edition - Version 10.2.0.3 and later
Information in this document applies to any platform.
Can't Recover a Database Saved With the OEM Backup Facility RMAN-06169
APPLIES TO:
Oracle Database - Enterprise Edition - Version 8.1.6.0 to 10.1.0.2 [Release 8.1.6 to 10.1]
RMAN Command "RESTORE ARCHIVELOG ALL VALIDATE" Failing with RMAN-06025
SYMPTOMS
RMAN command 'RESTORE ARCHIVELOG ALL VALIDATE' failing with error:
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