RHEL 8.1 Support for Data Integrity Field/Data Integrity Extension (DIF/DIX)

DIF/DIX在RHEL上的支持与限制

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原文链接：https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.1_release_notes/new-features

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#dix #dif #RHEL #8.1

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本文详细介绍了Data Integrity Field/Data Integrity Extension (DIF/DIX)在Red Hat Enterprise Linux (RHEL)上的支持情况。DIF/DIX在特定硬件配置下得到支持，包括合格的主机总线适配器(HBA)和存储阵列配置。然而，它不适用于引导设备、虚拟化客户机，且在启用DIF/DIX的情况下不支持使用Automatic Storage Management library (ASMLib)。

4.9. File systems and storage

Support for Data Integrity Field/Data Integrity Extension (DIF/DIX)

DIF/DIX is supported on configurations where the hardware vendor has qualified it and provides full support for the particular host bus adapter (HBA) and storage array configuration on RHEL.

DIF/DIX is not supported on the following configurations:

It is not supported for use on the boot device.
It is not supported on virtualized guests.
Red Hat does not support using the Automatic Storage Management library (ASMLib) when DIF/DIX is enabled.

DIF/DIX is enabled or disabled at the storage device, which involves various layers up to (and including) the application. The method for activating the DIF on storage devices is device-dependent.

For further information on the DIF/DIX feature, see What is DIF/DIX.

(BZ#1649493)
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.1_release_notes/new-features