Thread (2 messages) 2 messages, 1 author, 2014-01-12

Re: Why 4k native drives haven't arrived

From: Chris Murphy <hidden>
Date: 2014-01-12 04:01:02

On Jan 9, 2014, at 2:49 PM, Chris Murphy [off-list ref] wrote:
4Kn drives, i.e. 4096 byte physical and logical sector, drives maybe have been in the wild for some time, ~1 year.

http://forums.macrumors.com/showpost.php?p=16996220&postcount=189
"Logical sector size: 4096 bytes"

And further, the LBA's are clearly 4096 bytes each based on the partition table sector start/end values only adding up to the size column if the (LBA) sectors are 4096 bytes each.

This drive is found in an enclosure, sold as a backup device, not intended for booting. 
Huh. Two more cases. All three involve USB enclosures. Bug or feature? Is it possible the enclosure's bridge chipset is disabling the drive's 512-byte emulation?

https://bbs.archlinux.org/viewtopic.php?pid=1162795
http://forum.buffalo.nas-central.org/viewtopic.php?f=68&t=25201



Chris Murphy
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