恢复PDB到过去时间报错RMAN-04014

郑全

rman> RECOVER TABLESPACE PDB1:TEST_TBS

            UNTIL SCN 832972
            AUXILIARY DESTINATION '/tmp/';
RMAN> ALTER TABLESPACE PDB1:TEST_TBSONLINE;




starting up automatic instance CDB1
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of recover command at 01/16/2020 17:22:17
RMAN-04014: startup failed: ORA-27104: system-defined limits for shared memory was misconfigured

郑全

是以下参数的原因：
kernel.shmmax = 2061508608

cdb sga_max_size 为2G,再复制一个cdb1，就超过这个值了。
修改为以下值即可
kernel.shmmax = 4061508608