Re: 4k-sector drives

2013-08-03 Thread David Vasek
On Sat, 3 Aug 2013, Robert wrote: While some disks emulate their 4k sectors as 512b, some don't. E.g., I have a WD My Book 1140 3TB external USB disk, which reports 4k. Softraid doesn't work with it, I have to use vnd instead (for encryption). Some new WD My Book models alegedly allow you to

Re: 4k-sector drives

2013-08-02 Thread Robert
On Sun, 21 Jul 2013 13:19:11 -0400 Kenneth R Westerback kwesterb...@rogers.com wrote: Disks with logical sector sizes other than 512-bytes are supported. I am unaware of any outstanding issues with support for 4K sector devices. Ken It's not possible to create softraid volumes (e.g.

Re: 4k-sector drives

2013-08-02 Thread Kenneth R Westerback
On Sat, Aug 03, 2013 at 01:09:24AM +0200, Robert wrote: On Sun, 21 Jul 2013 13:19:11 -0400 Kenneth R Westerback kwesterb...@rogers.com wrote: Disks with logical sector sizes other than 512-bytes are supported. I am unaware of any outstanding issues with support for 4K sector devices.

4k-sector drives

2013-07-21 Thread David Vasek
Hello misc@, are disks with logical sector sizes other than 512-bytes supported? I can get basic functionality with a 4k-sector drive, still there are some flaws. Does it make sense to report these bugs now, or is it too early? Regards, David

Re: 4k-sector drives

2013-07-21 Thread Theo de Raadt
are disks with logical sector sizes other than 512-bytes supported? I can get basic functionality with a 4k-sector drive, still there are some flaws. Does it make sense to report these bugs now, or is it too early? Thanks for your very detailed question. Detailed answer follows:

Re: 4k-sector drives

2013-07-21 Thread David Vasek
question. Detailed answer follows: Detailed question once again: Does it makes sense to report bugs concerning disks with other sector sizes then 512 bytes now? Explanation: I met quite a few flaws when working with 4k-sector drives. I am not sure if such drives are supported

Re: 4k-sector drives

2013-07-21 Thread Theo de Raadt
Explanation: I met quite a few flaws when working with 4k-sector drives. Since you won't describe the flaws at all, I think you are full of it.

Re: 4k-sector drives

2013-07-21 Thread bofh
In general, what I've seen is that if something works, but has a bug, submit a bug report.

Re: 4k-sector drives

2013-07-21 Thread Peter Hessler
On 2013 Jul 21 (Sun) at 18:44:11 +0200 (+0200), David Vasek wrote: :Detailed question once again: :Does it makes sense to report bugs YES. -- Patageometry, n.: The study of those mathematical properties that are invariant under brain transplants.

Re: 4k-sector drives

2013-07-21 Thread Christian Weisgerber
David Vasek va...@fido.cz wrote: I met quite a few flaws when working with 4k-sector drives. I am not sure if such drives are supported. If they are not supported yet They are supported and I wouldn't expect any flaws. Simply put: shall I send any reports concerning 4k-sectors on -cuurent

Re: 4k-sector drives

2013-07-21 Thread Kenneth R Westerback
On Sun, Jul 21, 2013 at 04:55:35PM +0200, David Vasek wrote: Hello misc@, are disks with logical sector sizes other than 512-bytes supported? I can get basic functionality with a 4k-sector drive, still there are some flaws. Does it make sense to report these bugs now, or is it too early?

Re: 4k-sector drives

2013-07-21 Thread David Vasek
Hello again. disklabel(8) writes its label sector outside of A6 partition, possibly into other partitions and overwrites data there. Looks like 512-byte sectors are silently expected somewhere here, but I didn't check the code. In the example below the label sector has been written to offset