ASM diskgroup space do not free themselves after RMAN archivelog delete
Version Infra grid: 11.2.0.4
DB version: 11.2.0.4
OS: Oracle Linux 6.4
Storage: Enterprise-class storage (EMC VMAX)
We are in the Bank we have a database of CARS of Production 2 nodes very critical.
Newspaper archives are stored in ARCH_DG diskgroup. Because of the unexpectedly heavy workload, our diskgroup ARCH_DG became full and we got the usual error
ORA-00257: archiver error. Connect internal only, until this just released.
To wear the DB back to business quickly, I tried to delete the old archive logs more than 1 day of the diskgroup first using the following command
RMAN > delete noprompt archivelog until ' SYSDATE-1';
So, I started to see the following message
RECID = STAMP 19807 = 849396325 name=+ARCH_DG/bsoaprd/archivelog/2014_06_04/thread_2_seq_10066.331.849396309 archived log file
Delete archived log
RECID = STAMP 19809 = 849396940 name=+ARCH_DG/bsoaprd/archivelog/2014_06_04/thread_2_seq_10067.274.849396925 archived log file
Delete archived log
name=+ARCH_DG/bsoaprd/archivelog/2014_06_04/thread_2_seq_10068.341.849397529 RECID archived log file = 19810 STAMP = 849397543
Delete archived log
name=+ARCH_DG/bsoaprd/archivelog/2014_06_04/thread_2_seq_10069.298.849398167 RECID archived log file = 19812 STAMP = 849398182
Delete archived log
RECID = STAMP 19813 = 849398806 name=+ARCH_DG/bsoaprd/archivelog/2014_06_05/thread_2_seq_10070.317.849398783 archived log file
Delete archived log
name=+ARCH_DG/bsoaprd/archivelog/2014_06_05/thread_2_seq_10071.342.849399327 RECID archived log file = 19814 STAMP = 849399337
Although I could see messages "deleted archived newspaper" as stated above there are 2 inconsistencies (odd behavior)
1 inconsistency. Not a single byte released upwards of archive diskgroup. Each log archiving is 4 GB in size. I got "journal archived deleted" message at least 25 archived log files. For example, 100 GB should have been released.
The diskgroup to archive has remained at 99.9% as shown below and the DB was inaccessible.
SQL > select name,.
Round(total_mb/1024,2) Total_GB.
Round(free_mb/1024,2) Free_GB.
free_mb/total_mb * 100 "% free"
ABS ((free_mb/total_mb*100)-100) '% complete '.
v $ asm_diskgroup; 2 3 4 5 6
NAME TOTAL_GB FREE_GB % free full
------------------------------ ---------- ---------- ---------- ------------
ARCH_DG 1000.78 99.9223633.077636719
DATA_DG 10000.02 1188.19 11.8818616 88.1181384
OCR_VOTE_DG 12 11.09 92.4623525 7.53764754
< snipped >
Inconsistency2. The number of available archived newspapers remained unchanged. He was always showing 301
SQL > select count (*) from v$ archived_log where status = 'A ';
COUNT (*)
----------
301
RMAN later > remove obsolete; command removed 17 archived newspapers.
This means that 17 x 4 = 68 GB should have been released.
But Diskgroup of free space and the County of v$ archived_log.status = 'A' is unchanged, as mentioned above.
, Of ASMCMD, I deleted manually a full archive directory connects using rm-rf command.
Even after running rm - rf on a whole directory full of archived newspaper space was not released and we always receive ""ORA-00257: archiver error '. "
So, we had to shoot down the cluster using "stop crsctl crs. After the cluster has been raised using 'crsctl start crs' on both nodes,
space has been freed up, and the DB became accessible.
I wonder why the ASM diskgroup space was not release despite the removal of the archive logs. Are the 1 & 2 above mentioned inconsistencies caused by something handle to open the file ?
Hello
Please run command you at the level of the ASM, below
SQL > alter diskgroup
-At the end of the same thing, run below command and enable it to perform SQL > alter diskgroup
-To validate the space $ asmcmd Pei lsdg Kind regards
Loriette
Tags: Database
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