Dell Unity：如何更改 NDMP 备份的“PAX readWriteBlockSize”参数（用户可纠正）
Summary: NDMP 备份失败，并显示错误代码：“指定的记录大小 （262144） 大于 readWriteBlockSize （65536）”
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Symptoms
NDMP 备份报告以下错误：
Specified record size (262144) is bigger than readWriteBlockSize (65536),
please refer to user document on how to increase param PAX.readWriteBlockSize,
please refer to user document on how to increase param PAX.readWriteBlockSize.Cause
参数 "readWriteBlockSizeInKB" 需要增加。
此参数用于指定允许的 NDMP 读/写的最大 PAX 缓冲区大小（以 KB 为单位）。
Resolution
NDMP readWriteBlockSize 的 PAX 缓冲区大小需要增加。
请联系 Dell Unity 支持 并引用此知识库文章000063258。
Affected Products
Dell EMC Unity FamilyProducts
Dell EMC Unity FamilyArticle Properties
Article Number: 000063258
Article Type: Solution
Last Modified: 15 Jan 2026
Version: 4
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