Date: Tue, 14 Jul 2020 09:53:08 +0200 From: Andrea Venturoli <ml@netfence.it> To: freebsd-virtualization@freebsd.org Subject: Re: bhyve, Windows guest and trim support Message-ID: <2cd7021a-daac-dad8-9fa3-27dc9fc38181@netfence.it> In-Reply-To: <20200712131347.cjvr4cpbo3rsgnik@nexus.home.palmen-it.de> References: <e15ba239-9a73-2821-1f42-1700d74d031b@netfence.it> <4e0c7427-8bb4-37d6-b717-181d5c9b66d3@freebsd.org> <20200707154025.wm6u4abbrz5tesha@nexus.home.palmen-it.de> <75f28176-c22a-8742-e86c-d73609cd5463@netfence.it> <20200712131347.cjvr4cpbo3rsgnik@nexus.home.palmen-it.de>
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On 2020-07-12 15:13, Felix Palmen wrote: > * Andrea Venturoli <ml@netfence.it> [20200707 18:18]: >> I have yet to try this, but, as I said, I switched temporaly to ahci-hd and >> used the instructions at the following link to reclaim space (without the >> need to start a new zvol): >> >> https://winaero.com/blog/trim-ssd-windows-10/ > > Thanks for this hint, I can now confirm this also works with virtio-blk > (applied Allan's patch to 12.1). REFER for the zvol backing my Windows > Server 2016 dropped from 315G to 72.5G. Hmm... I applied the same patch and, still using virtio-blk, when trying to retrim, Windows says "Optimize-Volume : The volume optimization operation requested is not supported by the hardware backing the volume." Seems like the guest doesn't think TRIM support is available. Do I have to set anything? I have the following in the machine config (I'm using vm-bhyve): disk0_type="virtio-blk" disk0_name="disk0" disk0_dev="zvol" disk0_opts="sectorsize=512" bye & Thanks av.
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