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

[Kiran Dikshit <kdikshit at cloudsimple.com>]

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Hi Harris, 

After the previous mail, i did check out the masters and DPDK version 17.05 and found the same issue. 

SPDK git commit ID : 5597e835c8981d6500d00c0f88fd10edae173621

Thank you
Kiran

> On 26-May-2017, at 12:38 AM, Harris, James R <james.r.harris(a)intel.com> wrote:
> 
> Hi Kiran,
>  
> Can you confirm which SPDK git commit ID you are working from?  Since there have been changes in this transport ID format, I want to make sure I provide you the correct details based on the SPDK version you are using.
>  
> Thanks,
>  
> -Jim
>  
>  
> From: Kiran Dikshit <kdikshit(a)cloudsimple.com>
> Date: Wednesday, May 24, 2017 at 10:50 PM
> To: James Harris <james.r.harris(a)intel.com>
> Cc: Storage Performance Development Kit <spdk(a)lists.01.org>
> Subject: Re: [SPDK] Need help for iSCSI configuration for NVMe disc
>  
> 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 <mailto:james.r.harris(a)intel.com>> wrote:
>>  
>>> 
>>> On May 24, 2017, at 4:10 AM, Kiran Dikshit <kdikshit(a)cloudsimple.com <mailto: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 <http://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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>  


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