关于RHEL支持T10 PI的情况
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摘自:
https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html-single/7.2_Release_Notes/index.html
值得注意的是,Linux文件系统并不支持T10 PI,不支持的原因下文也没说.
Support for DIF/DIX (T10 PI) on specified hardware
SCSI T10 DIF/DIX is fully supported in Red Hat Enterprise Linux 7.2, provided that the hardware vendor has qualified it and provides full support for the particular HBA and storage array configuration. DIF/DIX is not supported on other configurations, it is not supported for use on the boot device, and it is not supported on virtualized guests.
At the current time, the following vendors are known to provide this support.
FUJITSU supports DIF and DIX on:
- EMULEX 16G FC HBA:
- EMULEX LPe16000/LPe16002, 10.2.254.0 BIOS, 10.4.255.23 FW, with:
- FUJITSU ETERNUS DX100 S3, DX200 S3, DX500 S3, DX600 S3, DX8100 S3, DX8700 S3, DX8900 S3, DX200F, DX60 S3
- QLOGIC 16G FC HBA:
- QLOGIC QLE2670/QLE2672, 3.28 BIOS, 8.00.00 FW, with:
- FUJITSU ETERNUS DX100 S3, DX200 S3, DX500 S3, DX600 S3, DX8100 S3, DX8700 S3, DX8900 S3, DX200F, DX60 S3
Note that T10 DIX requires database or some other software that provides generation and verification of checksums on disk blocks. No currently supported Linux file systems have this capability.
EMC supports DIF on:
- EMULEX 8G FC HBA:
- LPe12000-E and LPe12002-E with firmware 2.01a10 or later, with:
- EMC VMAX3 Series with Enginuity 5977; EMC Symmetrix VMAX Series with Enginuity 5876.82.57 and later
- EMULEX 16G FC HBA:
- LPe16000B-E and LPe16002B-E with firmware 10.0.803.25 or later, with:
- EMC VMAX3 Series with Enginuity 5977; EMC Symmetrix VMAX Series with Enginuity 5876.82.57 and later
- QLOGIC 16G FC HBA:
- QLE2670-E-SP and QLE2672-E-SP, with:
- EMC VMAX3 Series with Enginuity 5977; EMC Symmetrix VMAX Series with Enginuity 5876.82.57 and later
Please refer to the hardware vendor's support information for the latest status.
Support for DIF/DIX remains in Tech Preview for other HBAs and storage arrays.
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