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Re: [RFC PATCH V3 0/8] hw/block/nvme: support multi-path for ctrl/ns
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From: |
Keith Busch |
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Subject: |
Re: [RFC PATCH V3 0/8] hw/block/nvme: support multi-path for ctrl/ns |
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Date: |
Tue, 19 Jan 2021 11:26:53 -0800 |
On Tue, Jan 19, 2021 at 07:18:16PM +0100, Klaus Jensen wrote:
> On Jan 20 02:01, Minwoo Im wrote:
> > Run with:
> > -device nvme,serial=qux,id=nvme3
> > -device nvme-ns,id=ns3,drive=drv12,nsid=3,bus=nvme3
> >
> > -device nvme-subsys,id=subsys0
> > -device nvme,serial=foo,id=nvme0,subsys=subsys0
> > -device nvme,serial=bar,id=nvme1,subsys=subsys0
> > -device nvme,serial=baz,id=nvme2,subsys=subsys0
> > -device nvme-ns,id=ns1,drive=drv10,nsid=1,subsys=subsys0,detached=true
> > -device nvme-ns,id=ns2,drive=drv11,nsid=2,bus=nvme2
> >
> > nvme-cli:
> > root@vm:~/work# nvme list -v
> >
> > NVM Express Subsystems
> >
> >
> >
> > Subsystem Subsystem-NQN
> > Controllers
> > ----------------
> > ------------------------------------------------------------------------------------------------
> > ----------------
> > nvme-subsys0 nqn.2019-08.org.qemu:qux
> > nvme0
> > nvme-subsys1 nqn.2019-08.org.qemu:subsys0
> > nvme1, nvme2, nvme3
> >
> >
> > NVM Express Controllers
> >
> >
> >
> > Device SN MN FR
> > TxPort Address Subsystem Namespaces
> > -------- -------------------- ----------------------------------------
> > -------- ------ -------------- ------------ ----------------
> > nvme0 qux QEMU NVMe Ctrl
> > 1.0 pcie 0000:00:06.0 nvme-subsys0
>
> Shouldn't nvme0n1 be listed under Namespaces for nvme0?
Minwoo, try pulling the most current nvme-cli. There was a sysfs
scanning bug for non-mpath drives that should be fixed now.