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Re: [Qemu-devel] [PATCH] iSCSI: add configuration variables for iSCSI

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH] iSCSI: add configuration variables for iSCSI
Date: Fri, 23 Dec 2011 10:08:11 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:7.0.1) Gecko/20110930 Thunderbird/7.0.1

On 12/22/2011 09:51 PM, ronnie sahlberg wrote:
The difference between qcow2 and iscsi and the problem is that .open()
is called for all devices before the monitor is started, so .open() is
called before we would have a chance to even hand the password to

For qcow2 this is not a problem since even if the file is password
protected the file header is not, so you can still open the file and
read the header (to discover it is password protected) without knowing
the password.
So qcow2 can still open the file and do all the sanity checks it needs
without yet knowing the password.

You're right.

I see that the libvirt driver for rbd simply passes it on the command line. I hope I'll be able to review the patch further today.


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