Messages in this thread | | | Subject | Re: ATA support for 4k sector size | From | "Martin K. Petersen" <> | Date | Wed, 25 Feb 2009 18:51:35 -0500 |
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>>>>> "hpa" == H Peter Anvin <hpa@zytor.com> writes:
hpa> I wish it was left to people like myself. Realistically when it hpa> comes to disks with 4096-byte logical sectors it going to matter hpa> how the firmware chooses to expose it.
Well. In the short term ATA is going to emulate 512 (at a penalty for misaligned I/O). SCSI is switching to 4KB wholesale.
I have a 4KB/4KB drive here that I have had fun booting from the last few days.
hpa> Most likely, the universe will explode at this time, since very few hpa> bootloaders can deal with a sector size other than 512 bytes, and hpa> virtually every partition table format contains a sector size hpa> dependency, which also means you'll break any mechanical imaging hpa> solution.
hpa> It's going to hurt :(
Yep, it sucks :|
-- Martin K. Petersen Oracle Linux Engineering
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