Re: [Qemu-devel] PATCH: Support for multi-file raw images

2006-05-12 Thread Ryan Lortie
On Fri, 2006-12-05 at 22:21 +0200, Flavio Visentin wrote: > OT for qemu, but if you use *rsync*, then only the changed part of the > file are copied, not all the file. Rsync was written just for this > reason, to avoid copying unneccessary unchanged data. But as soon as the modification stamp chan

Re: [Qemu-devel] PATCH: Support for multi-file raw images

2006-05-12 Thread Flavio Visentin
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Ryan Lortie wrote: > I use rsync to backup my home directory. The act of starting up QEMU > changes a 20GB file on my drive. This causes 20GB of extra copying next > time I do backups. OT for qemu, but if you use *rsync*, then only the changed part

Re: [Qemu-devel] PATCH: Support for multi-file raw images

2006-05-12 Thread andrzej zaborowski
Hi there, > o If the files comprising the device are deleted (for example) while >QEMU is running then this is quite bad. Currently this will result >in read/write requests returning -1. Maybe it makes sense to panic >and cause QEMU to exit. > at the very least, the console shoul

Re: [Qemu-devel] PATCH: Support for multi-file raw images

2006-05-12 Thread Ryan Lortie
On Fri, 2006-12-05 at 09:35 -0500, Troy Benjegerdes wrote: > Have you tried making a read-only 'base' image and using qcow images > instead? I'm not convinced that splitting things up is going to help a > lot. You might end up writing 1 512 byte block each to 500 files.. in > the qcow image case,

Re: [Qemu-devel] PATCH: Support for multi-file raw images

2006-05-12 Thread Troy Benjegerdes
On Thu, May 11, 2006 at 02:30:45AM -0400, Ryan Lortie wrote: > Hello. > > Attached is a C file (and small patch) to add support for multi-file raw > images to QEMU. The rationale (for me at least) is as follows: > > I use rsync to backup my home directory. The act of starting up QEMU > changes

[Qemu-devel] PATCH: Support for multi-file raw images

2006-05-10 Thread Ryan Lortie
Hello. Attached is a C file (and small patch) to add support for multi-file raw images to QEMU. The rationale (for me at least) is as follows: I use rsync to backup my home directory. The act of starting up QEMU changes a 20GB file on my drive. This causes 20GB of extra copying next time I do