Dell Unity:内存映射问题导致 SP 意外重新启动
Summary: 由于内存映射 (MMAP) 问题,Dell Unity 存储处理器 (SP) 可能会意外重新启动。
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
在某些 Dell Unity 系统中,特别是运行 Unity OE 版本 5.0.2 或更早的系统,可能会发生意外的单或双存储处理器 (SP) 重新启动。
Cause
Unity 使用 MMAP 将文件或设备映射到内存中以启动 I/O。系统上设置了映射的最大虚拟内存计数 65530。存储处理器 (SP) 上发生崩溃,一旦 MMAP 最大值已被消耗,并且已达到该最大值。
Resolution
此问题已在 Unity OE 5.0.3.0.4.014 中得到解决。
Affected Products
Dell EMC Unity, Dell EMC Unity Family |Dell EMC Unity All Flash, Dell EMC Unity HybridArticle Properties
Article Number: 000191697
Article Type: Solution
Last Modified: 28 Oct 2025
Version: 5
Find answers to your questions from other Dell users
Support Services
Check if your device is covered by Support Services.