Data Domain 文件系统 (DDFS) 在将数据移动到云层期间可能会因内存分配错误而重新启动并显示“segfault”(段故障)或“panic”(死机)错误消息

Summary: Data Domain 文件系统 (DDFS) 在将数据移动到云层期间可能会因内存分配错误而重新启动并显示“segfault”(段故障)或“panic”(死机)错误消息

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.

Symptoms

Data Domain 文件系统 (DDFS) 在将数据移动到云层期间可能会因内存分配错误而重新启动并显示“segfault”(段故障)或“panic”(死机)错误消息
此问题适用于所有 DDOS 7.7.0.x 版本DDOS 7.7.1.0 及更高版本中会随附提供修复

Following alert will be issues during DDFS restart
Alerts History
--------------
Id      Post Time                  Clear Time                 Severity   Class        Object   Message
-----   ------------------------   ------------------------   --------   ----------   ------   -------------------------------------------------------------------------
m0-43   Thu Feb  3 05:18:43 2022   Thu Feb  3 05:19:02 2022   ERROR      Filesystem            EVT-FILESYS-00008: Filesystem has encountered an error and is restarting.
-----   ------------------------   ------------------------   --------   ----------   ------   -------------------------------------------------------------------------
There is 1 historic alert.

System will report either of followings message if DDFS restarts with segfault  error
segfault at xxxx ip yyyy sp zzzz error 4(E4) in libcrypto.so.1.0.0[7f26e22a0000+2a2000](E4)
segfault at xxxx ip yyyy sp zzzz error 4(E4) in libc-2.17.so[7f2780bee000+1b5000](E4)
segfault at xxxx ip yyyy sp zzzz error 4(E4) in ddfs[400000+4e24000](E4)

System will report either of following message and ALERT  if DDFS restarts with PANIC  error
PANIC: lib/dd_memstats.c: dd_malloc_verify_fence: 493: !(footer->magic == MALLOC_TAIL_MAGIC)
PANIC: lib/../include/dlist.h: _dl_first: 828: !(list->count != 0)

Cause

Dell Technologies 已确定云数据移动功能中的代码缺陷,它将会导致 DDFS 重新启动并显示上述 SEGFAULT(段故障)或 PANIC(死机)错误。

Jira 参考资料是 DDOSCFD-9678

Resolution

为避免在云层数据移动期间重新启动 DDFS,请考虑升级到 DDOS 7.7.1.10 或更高版本、7.7.2.0.10 或更高版本、7.8.0.20 或更高版本

步骤:

1.暂停云数据移动过程
      # data-movement stop
      # data-movement status
              
2.重新启动文件系统
               # filesys restart
     
3.确保文件系统已启用
               #filesys status
              
4.将系统升级到DDOS 7.7.1.10 或更高版本、7.7.2.0.10 或更高版本、7.8.0.20 或更高版本。
5.恢复云数据移动过程
               # data-movement start

Affected Products

Data Domain
Article Properties
Article Number: 000196696
Article Type: Solution
Last Modified: 04 Sept 2025
Version:  7
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