Re: Bluestore device’s device selector for Samsung NVMe

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On Mon, Jan 14, 2019 at 8:52 PM Yanko Davila <davila@xxxxxxxxxxxx> wrote:
>
>
> Hello
>
> My name is Yanko Davila, I´m new to ceph so please pardon my ignorance. I have a question about Bluestore and SPDK.
>
> I´m currently running ceph version:
>
> ceph version 12.2.10 (177915764b752804194937482a39e95e0ca3de94) luminous (stable)
>
> on Debian:
>
> Linux <hostname> 4.9.0-8-amd64 #1 SMP Debian 4.9.110-3+deb9u4 (2018-08-21) x86_64 GNU/Linux
>
> Distributor ID:    Debian
> Description:    Debian GNU/Linux 9.5 (stretch)
> Release:    9.5
> Codename:    stretch
>
> I´m trying to add an NVMe osd using bluestore but I´m struggling to find the device selector for that NVMe. So far I´ve been  able to compile spdk and succesfully run the setup.sh script. I can also succesfully run the identify example which leads me to think that spdk is working as expected.
>
> When I read the online manual ( http://docs.ceph.com/docs/master/rados/configuration/bluestore-config-ref/#spdk-usage ) it gives an example for an Intel PCIe SSD:

Yanko, i think the doc only applies to the master branch. if you are
testing luminous, you might need to use the serial number to identify
a NVMe device instead.

>
> <quote>
>
> For example, users can find the device selector of an Intel PCIe SSD with:
>
> $ lspci -mm -n -D -d 8086:0953
>
> <quote />
>
> When I try the same command adjusting for my Samsung SSD it returns nothing or the return is just blank here is what I tried:
>
> $ lspci -mm -n -D -d 144d:a801
>
>
> Assuming that I gave you enough information. Can anyone spot what I´m doing wrong? Does spdk only works on Intel SSDs ? Any comment is highly appreciated. Thank You for your time.
>
> Yanko.
>
>
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-- 
Regards
Kefu Chai
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