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| From: | Jonas Maebe |
| Subject: | Re: [Qemu-devel] [RFC][PATCH] make sure disk writes actually hit disk |
| Date: | Mon, 31 Jul 2006 09:56:08 +0200 |
On 31 jul 2006, at 09:08, Jens Axboe wrote:
Applications running on the host can count on fsync doing the right thing, meaning that if they call fsync, the data *will* have made it to disk. Applications running inside a guest have no guarantees that their data is actually going to make it anywhere when fsync returns...Then the guest OS is broken.
The problem is that supposedly many OS'es are broken in this way. See http://lists.apple.com/archives/darwin-dev/2005/Feb/msg00072.html Jonas
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