Re: [SPDK] Need help for iSCSI configuration for NVMe disc

[Kiran Dikshit <kdikshit at cloudsimple.com>]

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Hi Harris,

I did try with the TransportID “trtype:PCIe traddr:0000.0a:00.0” Nvme3  option i am still seeing the same issue. 

Thank you
Kiran

> On 24-May-2017, at 9:50 PM, Harris, James R <james.r.harris(a)intel.com> wrote:
> 
>> 
>> On May 24, 2017, at 4:10 AM, Kiran Dikshit <kdikshit(a)cloudsimple.com> wrote:
>> 
>> Hi All,
>> 
>> I am trying to configure iSCSI for a NVMe drive and getting the below error’s. I have unbound the NVMe drive from kernel using the setup.sh.
>> 
>> tgt_node.c: 718:spdk_iscsi_tgt_node_construct: ***ERROR*** Could not construct SCSI device
>> tgt_node.c: 984:spdk_cf_add_iscsi_tgt_node: ***ERROR*** tgt_node1: add_iscsi_target_node error
>> tgt_node.c:1010:spdk_iscsi_init_tgt_nodes: ***ERROR*** spdk_cf_add_iscsi_tgt_node() failed
>> iscsi_subsystem.c: 965:spdk_iscsi_subsystem_init: ***ERROR*** spdk_iscsi_init_tgt_nodes() failed
>> app.c: 404:spdk_app_init: ***ERROR*** spdk_subsystem_init() failed
>> 
>> 
>> 
>> Below is the section of my iscsi.conf.in file for reference.
>> 
>> # NVMe configuration options
>> [Nvme]
>> # NVMe Device Whitelist
>> # Users may specify which NVMe devices to claim by their PCI
>> # domain, bus, device, and function. The format is dddd:bb:dd.f, which is
>> # the same format displayed by lspci or in /sys/bus/pci/devices. The second
>> # argument is a "name" for the device that can be anything. The name
>> # is referenced later in the Subsystem section.
>> #
>> # Alternatively, the user can specify ClaimAllDevices. All
>> # NVMe devices will be claimed and named Nvme0, Nvme1, etc.
>> # BDF 0000:00:00.0 Nvme0
>>  BDF 0000:0a:00.0 Nvme3
> 
> Hi Kiran,
> 
> The format of the NVMe section changed in the last SPDK release, so that we could add support for remote NVMe-oF devices as well.
> 
> Can you try the following instead?
> 
> [Nvme]
>  TransportID “trtype:PCIe traddr:0000.0a:00.0” Nvme3
> 
> The comment for spdk_nvme_transport_id_parse() in include/spdk/nvme.h describes the format in more detail, including how to specify NVMe-oF targets.
> 
> Thanks,
> 
> -Jim
> 
>> 
>> [TargetNode1]
>>  TargetName disk2
>>  TargetAlias "Data Disk2"
>>  Mapping PortalGroup1 InitiatorGroup1
>>  AuthMethod Auto
>>  AuthGroup AuthGroup1
>>  UseDigest Auto
>>  LUN0 Nvme3
>>  QueueDepth 64
>> 
>> 
>> Thank you
>> Kiran
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