Found this info for FreeBSD + general background info on similar drives:
http://www.sysop.ca/archives/208
Would need to find the NetBSD equivalents of the FreeBSD commands, may or
may not exist.
I had the hardware (Fibre channel + some generic disk shelf) but never had
time to try it.
Date:Mon, 2 Feb 2015 19:52:58 -0800
From:John Nemeth
Message-ID: <201502030352.t133qwmw009...@server.cornerstoneservice.ca>
| Uh, starting at sector 63, has nothing to do with floppies.
Actually it does, I believe - just not directly. The filesystem (from
fl
On Jan 18, 9:08pm, Greg Troxel wrote:
} mlel...@serpens.de (Michael van Elst) writes:
} > jdba...@mylinuxisp.com ("John D. Baker") writes:
} >
} >>First, can anyone point me to message threads about how modern 4K-sector
} >>disks are to be handled? I must admit some confusion when reading about
}
On Mon, Jan 19, 2015 at 6:51 PM, Dan LaBell wrote:
> I'm wondering if formated this way, the drive provides no error detection/
> correction,and devotes the whole physical sector to data -- Instead of 512
> bytes , and
> so many bytes for ECC. I'm also wondering if I have some drives like these.
On Jan 19, 2015, at 3:09 AM, Michael van Elst wrote:
writes:
I was of the impression that the 4K sector business was to address(!)
the problem of disk capacity outrunning the addressing capacity of
the
Task File interface on IDE/PATA/SATA disks, evening with all the
funky
bit reassignmen
On Jan 18, 2015, at 5:56 PM, John D. Baker wrote:
Second, and the real point of this message: Some time ago I was given
several 18GB 10k-rpm SCA SCSI disks that had been removed from an IBM
AS400. I knew they had strange native sector sizes (522 bytes in the
case of the drives I have). When
jdba...@mylinuxisp.com ("John D. Baker") writes:
>I was of the impression that the 4K sector business was to address(!)
>the problem of disk capacity outrunning the addressing capacity of the
>Task File interface on IDE/PATA/SATA disks, evening with all the funky
>bit reassignments to squeeze out
On Sun, 18 Jan 2015 21:08:48 -0500, Greg Troxel wrote:
> Agreed on all of that, but to respond to John's question: the disk
> has 4K sectors on the media, but has an interface that acts like 512B
> sectors. So if you do a write which is aligned to start on 4K and is
> a multiple of 4K, it will b
mlel...@serpens.de (Michael van Elst) writes:
> jdba...@mylinuxisp.com ("John D. Baker") writes:
>
>>First, can anyone point me to message threads about how modern 4K-sector
>>disks are to be handled? I must admit some confusion when reading about
>>4K native sectors, but having to deal with a 5
jdba...@mylinuxisp.com ("John D. Baker") writes:
>First, can anyone point me to message threads about how modern 4K-sector
>disks are to be handled? I must admit some confusion when reading about
>4K native sectors, but having to deal with a 512-byte emulation mode.
>At what point does the emulat
First, can anyone point me to message threads about how modern 4K-sector
disks are to be handled? I must admit some confusion when reading about
4K native sectors, but having to deal with a 512-byte emulation mode.
At what point does the emulation get out of the way and allow one to address
the na
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