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| From: | Alberto Garcia |
| Subject: | Re: Migration with ``drive-mirror`` + NBD will let quorum qcow2 image become larger |
| Date: | Tue, 19 May 2020 16:49:28 +0200 |
| User-agent: | Notmuch/0.18.2 (http://notmuchmail.org) Emacs/24.4.1 (i586-pc-linux-gnu) |
On Tue 19 May 2020 11:15:44 AM CEST, Kevin Wolf wrote: > But maybe it could return a limited set of flags at least so that the > mirror job can get the BDRV_BLOCK_ZERO information if the quorum > children agree on it. Yeah, maybe it is possible to implement a conservative version of that function and fall back to BDRV_BLOCK_DATA | BDRV_BLOCK_ALLOCATED (or something like that) in the cases where there's no clear alternative. Berto
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