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From: | Vladimir Sementsov-Ogievskiy |
Subject: | [Qemu-block] nbd oldstyle negotiation |
Date: | Thu, 16 Aug 2018 22:02:16 +0300 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 |
Hi Eric!There is a small problem with our qemu-nbd cmdline interface: people forget to use option -x or don't know about it and face into problems with old protocol version. One of may colleagues after such situation (because of this option, he could not use utility nbd-client, which doesn't support old version) asked me to add comments about version selection by -x option into --help of qemu-nbd. And really, it's not an obvious interface solution...
Now I think, should not we use new version by default? Or, even drop old version support at all? Anybody uses it?
from nbd spec:... the old style negotiation is now no longer developed; starting with version 3.10 of the reference implementation, it is also no longer supported.
it's unsupported, I think it's ok to drop it. I can create patches, if you agree.
-- Best regards, Vladimir
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