12-23-2019
Hi Neo and rbattel
my system are using GPFS(archive directory) and raw devices with Oracle RAC on the hacmp.
I think the reason why A-system has down itself is that B-system is down due to system bug and all oracle sessions of B-system node are moved to A-system, which causes huge IO on A-system. The sync time of the A-system was slowed down, and as a result, the system was down when the dead man switch limit was reached.
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LEARN ABOUT SUNOS
aset.restore
aset.restore(1M) System Administration Commands aset.restore(1M)
NAME
aset.restore - restores system files to their content before ASET is installed
SYNOPSIS
aset.restore [-d aset_dir]
DESCRIPTION
aset.restore restores system files that are affected by the Automated Security Enhancement Tool (ASET) to their pre-ASET content. When ASET
is executed for the first time, it saves and archives the original system files in the /usr/aset/archives directory. The aset.restore
utility reinstates these files. It also deschedules ASET, if it is currently scheduled for periodic execution. See asetenv(4).
If you have made changes to system files after running ASET, these changes are lost when you run aset.restore. If you want to be abso-
lutely sure that you keep the existing system state, it is recommended that you back-up your system before using aset.restore.
You should use aset.restore, under the following circumstances:
You want to remove ASET permanently and restore the original system (if you want to deactivate ASET, you can remove it from schedul-
ing).
You are unfamiliar with ASET and want to experiment with it. You can use aset.restore to restore the original system state.
When some major system functionality is not working properly and you suspect that ASET is causing the problem; you may want to
restore the system to see if the problem persists without ASET.
aset.restore requires root privileges to execute.
OPTIONS
The following options are supported:
-d aset_dir Specify the working directory for ASET. By default, this directory is /usr/aset. With this option the archives directory
will be located under aset_dir.
FILES
/usr/aset/archives archive of system files prior to executing aset
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWast |
+-----------------------------+-----------------------------+
SEE ALSO
aset(1M), asetenv(4), attributes(5)
System Administration Guide: Basic Administration
SunOS 5.10 11 Oct 1991 aset.restore(1M)