UsefulRMAN Commands to ResolveBackup TicketsQuestion 1 :-What Action BAs can take !hen "o#aa#chive is full$Ans!e# :-Most of Producton database backup are setup to deete archveogs from /oraarchvewhenever archves backup has been competed .We are st havng some excepton caseswhere we cant deete archveog es whch s taken n RMAN backup. We are havng FBUReportngnstanceCFGNAREPwhchsgettngconedeverydayfromCFGNAPRDusngShadow Imagng Repcaton. If we w deete archve og from orgna ocaton then wemay get ssue wth Reportng Creaton. In Such cases you can deete archves from orgnaocaton usng beow command. Exampe :- MFGGPXY s havng archveogs snce ast 4 days.We need to deete archveogs created oder than 2 days. Consderng yesterdayH*backup has been competed successfuy.After deetng archveogs usng RMAN command.% N%T &'&T& %R C%M(R&)) ARC*+,&'%-) .R%M UN+/ C%MMAN%T*&RW+)& N&/T A0 RMAN BAC1U( W+'' .A+'$QU&)T+%N2 :-What Action BAs can take !heneve# "o#a3ackup is full$Ans!e# :- We need to check /orabackup has been be fu due to RMAN backup or Fesystem backup. If there are arge og/output es are generated then we need to take proper acton by ndng that e from backup as we as orgna ocaton and try to deete that efrom orgna and backup ocaton If ssue wth RMAN backup DBAs can go to /orabackup/$SID and ook for rman_arch foder sze. If you can reease space from rman_arch then use beow command to cear the archveogs backup . We assume that ast day of H* backup has been competed and yesterdays backup has been aready moved to tape. So we can deete archve og backup of 2 days oder archveogs.Exampe :- apsgpxy s havng backup of 10 days oder archveogs. I want to deete a the archveogs backup whch are oder that 2 days. As per above screenshot we are havng archveogs backup of ast 10 days. And /orabackup s gettng fu. We can deete archveogs backup of oder than 2 days usng beow command.After archveog backup has been deeted beow ssze of rman_arch. Queston 4:-*o! do !e make su#e that !hateve# RMAN Backup has 3een completedthat is valid 3ackup to do #esto#e$Ans!e#:-ADSC_BACKUP scrpt s vadatng each H* backup after takng backup. A vadaton has been stored n oge /orabackup/$SID/rman_og/H*_$DATE_$TIME/ $SID_rmanvadate.txt. If ths oge does not show any error means our RMAN backup s vad.Question 5 :- What to do if someone has deleted o# comp#essed a#chivelo6 7les f#om uni8 command$ Ans!e#:- Beow s exampe how we can x ths ssue. APSGPXYs havng 4 archveogs.We have compressed one archve oge from unx command and we have deeted one archveog from unx.RMAN s gettng archveog detas from Data Dctonary Vews. We used unx command to compress e that means data dctonary vew st show that we need to take backup of apsgpxy_0001_0000001272_0763634467.arc andapsgpxy_0001_0000001275_0763634467.arc. When RMAN w try to nd those es n unx,Both es w not present and backup w fa. To avodths stuaton we need to cear compressed/deeted archveogs entry from data dctonary vews usng beow command.Question 9 :- What to do if someone has deleted#man 3ackupf#om uni8 command$ Ans!e#:-You need to foow the same steps ke we used n queston 4. Command w change as beow. Crosscheck command w verfy backup wth data dctonares. And " Deete expred backup" command w cear data dctonary entres for removed backups. You can see screenshots beow.