Re: Re: write(2) returns error saying read only filesystem when trying to write to a partition

I've been writing to the whole disk OK (since I changed to /dev/da18), but now I am finding a problem with trying to seek further into the disk before starting to write. The code fragment is below and the "lseek(fd, 0L, SEEK_SET)" works OK but the first "lseek(fd, 8192L, SEEK_CUR)" thereafter fai

Re: write(2) returns error saying read only filesystem when trying to write to a partition

David O'Brien wrote: > > On Fri, Dec 08, 2000 at 01:44:47PM +1030, Matthew Thyer wrote: > > Regardless /dev/da18s1 should work as for /dev/da18 > > Correct me if I'm wrong, but /dev/da18s1 would only work if you installed > a true slice vs. a dedicated configuaation of the disk something like >

Re: write(2) returns error saying read only filesystem when trying to write to a partition

"Daniel C. Sobral" wrote: > > Regardless /dev/da18s1 should work as for /dev/da18 [snip] > > No, and no. You misunderstand the problem. > > A disk on IBM PC compatible computers has the following format: I dont misunderstand the problem and I do know how disks are laid out under FreeBSD. I may

Re: write(2) returns error saying read only filesystem when trying to write to a partition

Bruce Evans <[EMAIL PROTECTED]> wrote: > On Fri, 8 Dec 2000, Matthew Thyer wrote: > > > Mike Smith wrote: > > > > The program works on Compaq True64 UNIX v 4.0d > > > > It also works on Solaris 7 (only tested sparc). > > > > > > > > So it seems FreeBSD is broken here. > > > > > > FreeBSD just be

Re: write(2) returns error saying read only filesystem when trying to write to a partition

Poul-Henning Kamp wrote: > > >>| Partition table | Data| > >> | Slice 1 | Slice 2 | Slice 3 | Slice 4 | > >> | Disklabel | Data | > >> | c | > >>

Re: write(2) returns error saying read only filesystem when trying to write to a partition

In message <[EMAIL PROTECTED]>, "Br andon D. Valentine" writes: >On Sat, 9 Dec 2000, Daniel C. Sobral wrote: > >>No, and no. You misunderstand the problem. >> >>A disk on IBM PC compatible computers has the following format: >> >>| Partition table | Data

Re: write(2) returns error saying read only filesystem when trying to write to a partition

On Fri, 8 Dec 2000, Matthew Thyer wrote: > Mike Smith wrote: > > > The program works on Compaq True64 UNIX v 4.0d > > > It also works on Solaris 7 (only tested sparc). > > > > > > So it seems FreeBSD is broken here. > > > > FreeBSD just behaves differently. If you want to write to the whole > >

Re: write(2) returns error saying read only filesystem when trying to write to a partition

On Sat, Dec 09, 2000 at 12:02:21AM +0900, "Daniel C. Sobral" <[EMAIL PROTECTED]> wrote: > No, and no. You misunderstand the problem. > > A disk on IBM PC compatible computers has the following format: > > | Partition table | Data| >

Re: write(2) returns error saying read only filesystem when trying to write to a partition

Matthew Thyer wrote: > > > In the grand tradition of being allowed to shoot yourself in the foot, > I would like to be able to do such things as this is clearly what I > intend. Since we dont normally hold peoples hands for other things, > why cant we allow big holes in my feet for this too ? >

Re: write(2) returns error saying read only filesystem when trying to write to a partition

On Fri, Dec 08, 2000 at 01:44:47PM +1030, Matthew Thyer wrote: > Regardless /dev/da18s1 should work as for /dev/da18 Correct me if I'm wrong, but /dev/da18s1 would only work if you installed a true slice vs. a dedicated configuaation of the disk something like ``disklabel da18 auto''. -- -- D

Re: write(2) returns error saying read only filesystem when trying to write to a partition

Mike Smith wrote: > > > Mike Smith wrote: > > > > The program works on Compaq True64 UNIX v 4.0d > > > > It also works on Solaris 7 (only tested sparc). > > > > > > > > So it seems FreeBSD is broken here. > > > > > > FreeBSD just behaves differently. If you want to write to the whole > > > disk,

Re: write(2) returns error saying read only filesystem when trying to write to a partition

> Mike Smith wrote: > > > The program works on Compaq True64 UNIX v 4.0d > > > It also works on Solaris 7 (only tested sparc). > > > > > > So it seems FreeBSD is broken here. > > > > FreeBSD just behaves differently. If you want to write to the whole > > disk, open the whole-disk device, not the

Re: write(2) returns error saying read only filesystem when trying to write to a partition

Mike Smith wrote: > > The program works on Compaq True64 UNIX v 4.0d > > It also works on Solaris 7 (only tested sparc). > > > > So it seems FreeBSD is broken here. > > FreeBSD just behaves differently. If you want to write to the whole > disk, open the whole-disk device, not the 'c' partition.

Re: write(2) returns error saying read only filesystem when trying to write to a partition

> CC: to -current as that's what I'm running. > > "John W. De Boskey" wrote: > > > > Hi, > > > >I can't answer your questions directly, but you might want > > to checkout the sources to newfs (/usr/src/sbin/newfs/newfs.c or > > http://www.FreeBSD.org/cgi/cvsweb.cgi/src/sbin/newfs/newfs.c?an

Re: write(2) returns error saying read only filesystem when trying to write to a partition

CC: to -current as that's what I'm running. "John W. De Boskey" wrote: > > Hi, > >I can't answer your questions directly, but you might want > to checkout the sources to newfs (/usr/src/sbin/newfs/newfs.c or > http://www.FreeBSD.org/cgi/cvsweb.cgi/src/sbin/newfs/newfs.c?annotate=1.31 > line