Re: [Qemu-devel] Ensuring data is written to disk

2006-08-07 Thread R. Armiento
Thomas Steffen wrote: On 8/7/06, R. Armiento <[EMAIL PROTECTED]> wrote: And some IDE disks do not let you switch off write-caching. So as far as I know, you need SCSI for transactional guarantees. I don't think the fact that there are some buggy drives/firmwares out there should be taken to m

[Qemu-devel] qemu/hw ide.c

2006-08-07 Thread Fabrice Bellard
CVSROOT:/sources/qemu Module name:qemu Changes by: Fabrice Bellard06/08/07 21:36:34 Modified files: hw : ide.c Log message: use AIO for DMA transfers - enabled DMA for CDROMs CVSWeb URLs: http://cvs.savannah.gnu.org/viewcvs/qemu/hw/ide.c?cvsro

[Qemu-devel] qemu/audio wavcapture.c

2006-08-07 Thread Fabrice Bellard
CVSROOT:/sources/qemu Module name:qemu Changes by: Fabrice Bellard06/08/07 21:35:12 Modified files: audio : wavcapture.c Log message: mem leak fixes CVSWeb URLs: http://cvs.savannah.gnu.org/viewcvs/qemu/audio/wavcapture.c?cvsroot=qemu&r1=1.6&r2=1

[Qemu-devel] qemu vl.c

2006-08-07 Thread Fabrice Bellard
CVSROOT:/sources/qemu Module name:qemu Changes by: Fabrice Bellard06/08/07 21:34:46 Modified files: . : vl.c Log message: copyright update CVSWeb URLs: http://cvs.savannah.gnu.org/viewcvs/qemu/vl.c?cvsroot=qemu&r1=1.206&r2=1.207 ___

[Qemu-devel] qemu qemu-doc.texi

2006-08-07 Thread Fabrice Bellard
CVSROOT:/sources/qemu Module name:qemu Changes by: Fabrice Bellard06/08/07 21:34:34 Modified files: . : qemu-doc.texi Log message: update CVSWeb URLs: http://cvs.savannah.gnu.org/viewcvs/qemu/qemu-doc.texi?cvsroot=qemu&r1=1.101&r2=1.102 ___

[Qemu-devel] qemu qemu-img.texi

2006-08-07 Thread Fabrice Bellard
CVSROOT:/sources/qemu Module name:qemu Changes by: Fabrice Bellard06/08/07 21:33:55 Modified files: . : qemu-img.texi Log message: update CVSWeb URLs: http://cvs.savannah.gnu.org/viewcvs/qemu/qemu-img.texi?cvsroot=qemu&r1=1.2&r2=1.3 ___

[Qemu-devel] qemu qemu-img.c

2006-08-07 Thread Fabrice Bellard
CVSROOT:/sources/qemu Module name:qemu Changes by: Fabrice Bellard06/08/07 21:33:22 Modified files: . : qemu-img.c Log message: copyright update CVSWeb URLs: http://cvs.savannah.gnu.org/viewcvs/qemu/qemu-img.c?cvsroot=qemu&r1=1.12&r2=1.13 _

[Qemu-devel] Running Qemu ARM using NFS on Windows

2006-08-07 Thread Tieu Ma Dau
Hi all,I ran successfully Qemu to simulate ARM system on Linux host with the following command:./qemu-system-arm -kernel zImage.integratorCP -append "root=/dev/nfs nfsroot=192.168.7.1:/mnt/nfsqemu rw ip=192.168.7.2::192.168.7.1:255.255.255.0 " -net nic,vlan=0 -net tap,vlan=0,ifname=tap0,script=./qe

[Qemu-devel] qemu block.c

2006-08-07 Thread Fabrice Bellard
CVSROOT:/sources/qemu Module name:qemu Changes by: Fabrice Bellard06/08/07 19:10:16 Modified files: . : block.c Log message: fixed aio emulation CVSWeb URLs: http://cvs.savannah.gnu.org/viewcvs/qemu/block.c?cvsroot=qemu&r1=1.32&r2=1.33

Re: [Qemu-devel] Raw CD-ROM and hard disk for win32

2006-08-07 Thread Fabrice Bellard
Hi, I find it strange that there is no win32 API to know the size of a CD-ROM. Maybe a CD-ROM specific IOCTL exists ? About the windows device patch detection, I would like a more precise test than "len == 5". Testing if the filename begins with "\\.\" would be better. Supporting also the sy

Re: [Qemu-devel] Ensuring data is written to disk

2006-08-07 Thread Thomas Steffen
On 8/7/06, R. Armiento <[EMAIL PROTECTED]> wrote: Lets assume this typical website setup: HARDWARE: commodity SATA/PATA; drive cache is not battery backed up. HOST OS: late Linux 2.6 kernel (e.g. 2.6.15), directly, on top of host, a recent version of database software (e.g. MySQL 5.1). Running in

Re: [Qemu-devel] Ensuring data is written to disk

2006-08-07 Thread Bill C. Riemers
I was talking to a friend at Red Hat.  He says what they suggest using ext3, but putting the journal file small separate internal SCSI drive  If you do so you will get far better performance and reliability than from reiserfs. BillOn 8/7/06, R. Armiento <[EMAIL PROTECTED]> wrote: Jens Axboe wro

Re: [Qemu-devel] Ensuring data is written to disk

2006-08-07 Thread R. Armiento
Jens Axboe wrote: On Tue, Aug 01 2006, Jamie Lokier wrote: Should we change to only reiserfs and expect fsync() to commit data reliably only with that fs? I realise this is a lot of difficult questions, that apply to more than just Qemu... Yes, reiser is the only one that works reliably acro