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在ONTAP升级之后、EMS会显示auditlog.change.detected并修复错误1524672.

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适用场景

问题描述

  • 在ONTAP升级到修复了 错误1524672.的版本后
  •  对于先前轮换的<nnn>、集群中只有一个节点会在00:05 (本地时间)报告每日auditlog.change.detected 事件:

Mon Jun 17 00:05:00 +0900 [Node-01: mgwd: auditlog.change.detected:error]: Audit log file "audit.log.0000001562" was tampered with.
Mon Jun 18 00:05:36 +0900 [Node-01: mgwd: auditlog.change.detected:error]: Audit log file "audit.log.0000001563" was tampered with.
Mon Jun 19 00:05:44 +0900 [Node-01: mgwd: auditlog.change.detected:error]: Audit log file "audit.log.0000001564" was tampered with.
...

  • 在mgwd.log中、对于audy.log.log <nnn>文件、会显示以下错误消息:

00000025.000bea70 01e5bc7a Fri Jul 26 2024 00:05:00 -04:00 [kern_mgwd:info:3205] 0x8318d7b00: 8603e9000000012a: ERR: tables::audit: Audit log signature file /mroot/etc/log/mlog/audit_log_sig/audit.log.0000001562.sig is empty.Hence, Signature verification failed for file: audit.log.0000001562. Line: 1398, Function: verify_hashes ...

  • 事件中提及的audiz.log.xxx文件的文件大小均超过350字节。使用systemshell列出目录:

% ls -lh /mroot/etc/log/mlog/audit.log*
-rw-r--r--  2 root  wheel    70M Jun 18 10:03 /mroot/etc/log/mlog/audit.log
-rw-r--r--  1 root  wheel    76M May  1 14:17 /mroot/etc/log/mlog/audit.log.0000001562
-rw-r--r--  1 root  wheel    72M May  2 14:17 /mroot/etc/log/mlog/audit.log.0000001563
-rw-r--r--  1 root  wheel    72M May  3 14:17 /mroot/etc/log/mlog/audit.log.0000001564

 

 

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