7.7.6.8 DROP PMEMLOG
Purpose
The DROP PMEMLOG
command removes PMEM log from a cell disk.
Note:
The DROP PMEMLOG
command can only be used on Exadata
X8M and X9M storage server models.
Syntax
DROP PMEMLOG [FORCE]
Usage Notes
-
You can use the
DROP PMEMLOG
command at run-time, but the command does not complete until all redo data on PMEM is flushed to disk. -
If
FORCE
is not specified, then theDROP PMEMLOG
command fails if there is any saved redo. IfFORCE
is specified, then all data is purged, and PMEM log is removed.Caution:
If you are unable to drop the PMEM log due to existing redo information in the log, then retry the command first, before using theFORCE
option. TheFORCE
option should only be used in extreme circumstances because it may cause redo log copies to be out of sync, possibly resulting in database redo data corruption. Contact Oracle Support Services for additional information. -
On Exadata X8M and X9M systems with Oracle Exadata System Software release 23.1.0, you can interchangeably use
DROP XRMEMLOG
instead ofDROP PMEMLOG
.
Example 7-132 Removing PMEM Log from a Storage Server
This example shows how to remove PMEM log from a storage server.
CellCLI> DROP PMEMLOG
Parent topic: DROP