Exadata Backup on ZFS.

Below is Test of Exadata x2 half rack Database backup on ZFS.


Size : 2 TB
Used Size : 1.6 TB
Time Taken: 1hr 34 Mins.
Storage: 4 share of 300TB ZFS.
Channels Allocated: 5 channels per node per share. Totally 20 channels across 4 nodes and 4 shares.

#!/bin/ksh
export ORACLE_HOME=/u01/app/oracle/product/11.2.0.3/db_1
export ORACLE_SID=DUMMYDB1
export PATH=$ORACLE_HOME/bin:$PATH
export TNS_ADMIN=/u01/app/oracle/product/11.2.0.3/db_1/network/admin
export ALTER SESSION NLS_DATE_FORMAT='DD-MON-YYYY HH24:MI'
export LOGFILE=/home/oracle/DUMMYDB_rman_zfs_level0_ver3.log

#setup oracle environment based on SID
ORAENV_ASK=NO
. oraenv

rman target / catalog rman/xxxx@catalogdb <> ${LOGFILE}
run {
sql 'alter system set "_backup_disk_bufcnt"=64 scope=memory';
sql 'alter system set "_backup_disk_bufsz"=1048576 scope=memory';
allocate channel c01 DEVICE TYPE DISK FORMAT '/export/share8/DUMMYDB/DUMMYDBtest301_%U' CONNECT 'sys/XXXX@DUMMYDB1.WORLD';
allocate channel c02 DEVICE TYPE DISK FORMAT '/export/share8/DUMMYDB/DUMMYDBtest302_%U' CONNECT 'sys/XXXX@DUMMYDB1.WORLD';
allocate channel c03 DEVICE TYPE DISK FORMAT '/export/share8/DUMMYDB/DUMMYDBtest303_%U' CONNECT 'sys/XXXX@DUMMYDB1.WORLD';
allocate channel c04 DEVICE TYPE DISK FORMAT '/export/share8/DUMMYDB/DUMMYDBtest304_%U' CONNECT 'sys/XXXX@DUMMYDB1.WORLD';
allocate channel c05 DEVICE TYPE DISK FORMAT '/export/share8/DUMMYDB/DUMMYDBtest305_%U' CONNECT 'sys/XXXX@DUMMYDB1.WORLD';
allocate channel c06 DEVICE TYPE DISK FORMAT '/export/share7/DUMMYDB/DUMMYDBtest306_%U' CONNECT 'sys/XXXX@DUMMYDB3.WORLD';
allocate channel c07 DEVICE TYPE DISK FORMAT '/export/share7/DUMMYDB/DUMMYDBtest307_%U' CONNECT 'sys/XXXX@DUMMYDB3.WORLD';
allocate channel c08 DEVICE TYPE DISK FORMAT '/export/share7/DUMMYDB/DUMMYDBtest308_%U' CONNECT 'sys/XXXX@DUMMYDB3.WORLD';
allocate channel c09 DEVICE TYPE DISK FORMAT '/export/share7/DUMMYDB/DUMMYDBtest309_%U' CONNECT 'sys/XXXX@DUMMYDB3.WORLD';
allocate channel c10 DEVICE TYPE DISK FORMAT '/export/share7/DUMMYDB/DUMMYDBtest310_%U' CONNECT 'sys/XXXX@DUMMYDB3.WORLD';
allocate channel c11 DEVICE TYPE DISK FORMAT '/export/share6/DUMMYDB/DUMMYDBtest311_%U' CONNECT 'sys/XXXX@DUMMYDB2.WORLD';
allocate channel c12 DEVICE TYPE DISK FORMAT '/export/share6/DUMMYDB/DUMMYDBtest312_%U' CONNECT 'sys/XXXX@DUMMYDB2.WORLD';
allocate channel c13 DEVICE TYPE DISK FORMAT '/export/share6/DUMMYDB/DUMMYDBtest313_%U' CONNECT 'sys/XXXX@DUMMYDB2.WORLD';
allocate channel c14 DEVICE TYPE DISK FORMAT '/export/share6/DUMMYDB/DUMMYDBtest314_%U' CONNECT 'sys/XXXX@DUMMYDB2.WORLD';
allocate channel c15 DEVICE TYPE DISK FORMAT '/export/share6/DUMMYDB/DUMMYDBtest315_%U' CONNECT 'sys/XXXX@DUMMYDB2.WORLD';
allocate channel c16 DEVICE TYPE DISK FORMAT '/export/share5/DUMMYDB/DUMMYDBtest316_%U' CONNECT 'sys/XXXX@DUMMYDB4.WORLD';
allocate channel c17 DEVICE TYPE DISK FORMAT '/export/share5/DUMMYDB/DUMMYDBtest317_%U' CONNECT 'sys/XXXX@DUMMYDB4.WORLD';
allocate channel c18 DEVICE TYPE DISK FORMAT '/export/share5/DUMMYDB/DUMMYDBtest318_%U' CONNECT 'sys/XXXX@DUMMYDB4.WORLD';
allocate channel c19 DEVICE TYPE DISK FORMAT '/export/share5/DUMMYDB/DUMMYDBtest319_%U' CONNECT 'sys/XXXX@DUMMYDB4.WORLD';
allocate channel c20 DEVICE TYPE DISK FORMAT '/export/share5/DUMMYDB/DUMMYDBtest320_%U' CONNECT 'sys/XXXX@DUMMYDB4.WORLD';
sql "alter system archive log current";
backup incremental level 0 database plus archivelog;
sql "alter database backup controlfile to trace";
release channel c01;
release channel c02;
release channel c03;
release channel c04;
release channel c05;
release channel c06;
release channel c07;
release channel c08;
release channel c09;
release channel c10;
release channel c11;
release channel c12;
release channel c13;
release channel c14;
release channel c15;
release channel c16;
release channel c17;
release channel c18;
release channel c19;
release channel c20;
}
exit
EOF

References:

http://www.oracle.com/technetwork/database/features/availability/maa-wp-dbm-zfs-backup-1593252.pdf

http://www.oracle.com/technetwork/database/features/availability/maa-tech-wp-sundbm-backup-11202-183503.pdf