Re: Large qcow2 performance

2019-09-24 Thread Andrew Martin
- Original Message - > From: "Alberto Garcia" > To: "qemu-discuss" > Sent: Tuesday, September 24, 2019 10:15:56 AM > Subject: Re: Large qcow2 performance > On Mon, Sep 23, 2019 at 03:17:39PM -0500, Andrew Martin wrote: > >> I am considering creating a VM with a large qcow2, around 6TB

Re: Large qcow2 performance

2019-09-24 Thread Alberto Garcia
On Mon, Sep 23, 2019 at 03:17:39PM -0500, Andrew Martin wrote: > I am considering creating a VM with a large qcow2, around 6TB in > size. This Linux VM will be reading and writing a lot of small > files to this very large qcow2 using the VirtIO driver. Are there > any concerns or guidance about

Re: [Qemu-discuss] ANNOUNCE: emails from this mailing list will soon drop the [qemu-*] subject tag

2019-09-24 Thread Jakob Bohm
The point of DKIM (and moreso DMARC) is to prevent spoofing in the absence of functioning PGP and S/MIME infrastructure.  It is not as strong as end to end encryption, but benefits from being zero effort for most of the users protected, as it is handled almost entirely by mail system

Re: [Qemu-discuss] ANNOUNCE: emails from this mailing list will soon drop the [qemu-*] subject tag

2019-09-24 Thread Narcis Garcia
Is far better mail servers use SPF and not DKIM. DKIM is a signature between servers, but valid author's signatures are far better done with PGP by author itself because is made by author and verified by reader. DKIM doesn't protect mail content autenticity at all, beginning with the content sent