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From: Dietmar Maurer <dietmar@proxmox.com>
To: Proxmox VE development discussion <pve-devel@lists.proxmox.com>,
	Stefan Reiter <s.reiter@proxmox.com>,
	Fabian Ebner <f.ebner@proxmox.com>
Subject: Re: [pve-devel] [PATCH qemu-server] fix #3324: clone disk: use larger blocksize for EFI disk when possible
Date: Mon, 1 Mar 2021 11:18:51 +0100 (CET)	[thread overview]
Message-ID: <909038762.124.1614593932855@webmail.proxmox.com> (raw)
In-Reply-To: <c1a3b388-a734-8827-10f0-e5cbf3faebba@proxmox.com>


> >>> diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
> >>> index f401baf..e579cdf 100644
> >>> --- a/PVE/QemuServer.pm
> >>> +++ b/PVE/QemuServer.pm
> >>> @@ -6991,7 +6991,15 @@ sub clone_disk {
> >>>           # that is given by the OVMF_VARS.fd
> >>>           my $src_path = PVE::Storage::path($storecfg, $drive->{file});
> >>>           my $dst_path = PVE::Storage::path($storecfg, $newvolid);
> >>> -        run_command(['qemu-img', 'dd', '-n', '-O', $dst_format, 
> >>> "bs=1", "count=$size",
> >>> +
> >>> +        # Ceph doesn't like too small blocksize, see bug #3324
> >>> +        my $bs = 1;
> >>> +        while ($bs < $size && $bs < 1024 && $size % $bs == 0) {
> >>> +            $bs *= 2;
> >>> +        }

now, $size % $bs != 0

I guess this is wrong...

> >>> +        my $count = $size / $bs;
> >>> +
> >>> +        run_command(['qemu-img', 'dd', '-n', '-O', $dst_format, 
> >>> "bs=$bs", "count=$count",
> >>>               "if=$src_path", "of=$dst_path"]);
> >>>           } else {
> >>>           qemu_img_convert($drive->{file}, $newvolid, $size, 
> >>> $snapname, $sparseinit);
> >>>
> 
> 
> _______________________________________________
> pve-devel mailing list
> pve-devel@lists.proxmox.com
> https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel




  reply	other threads:[~2021-03-01 10:19 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-01  9:42 Fabian Ebner
2021-03-01  9:54 ` Stefan Reiter
2021-03-01 10:06   ` Fabian Ebner
2021-03-01 10:13     ` Stefan Reiter
2021-03-01 10:18       ` Dietmar Maurer [this message]
2021-03-01 10:22         ` Fabian Ebner
2021-03-02  7:11         ` Fabian Ebner
2021-03-01 10:19       ` Fabian Ebner
2021-03-01 10:23 ` Fabian Ebner

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