Messages in this thread | | | Subject | Re: Detection of Advanced Format drives | From | "Martin K. Petersen" <> | Date | Tue, 27 Sep 2011 17:44:25 -0400 |
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>>>>> "Arun" == Arun <engineerarun@gmail.com> writes:
Arun> A quick check of hdparm tells me that it is using the SG_IO ioctl Arun> for the ATA_OP_PIDENTIFY command. Maybe I have some hopes of Arun> having a correct result with the BLKPBSZGET ioctl. Will check that Arun> out.
hdparm and the kernel are looking the same place for the physical block size. There should be no discrepancy between what hdparm can see and what's reported in physical_block_size by the kernel. The BLKPBSZGET returns the same topology parameter as sysfs' physical_block_size.
-- Martin K. Petersen Oracle Linux Engineering
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