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Re: [Qemu-devel] [RFC] Disk integrity in QEMU

From: Avi Kivity
Subject: Re: [Qemu-devel] [RFC] Disk integrity in QEMU
Date: Sun, 19 Oct 2008 11:13:11 +0200
User-agent: Thunderbird (X11/20080723)

Jens Axboe wrote:
IDE is limited to 256 sectors per transaction, or 128KB.  If a sync
transaction takes 5 ms, then your write rate is limited to 25 MB/sec. It's much worse if you're allocating qcow2 data, so each transaction is
several sync writes.

No it isn't, even most IDE drives support lba48 which raises that limit
to 64K sectors, or 32MB.

Right, and qemu even supports this.  Thanks for the correction.

error compiling committee.c: too many arguments to function

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