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OVH OVH dedicated servers

Discussion in 'Dedicated server hosting' started by eva2000, Jun 12, 2014.

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  1. Apr 6, 2017 #361
    rdan

    rdan Premium Member Premium Member

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    Same thing for me :)
    https://community.centminmod.com/threads/ovh-dedicated-servers.456/page-15#post-45888
    Advertise on their website and even on Control Panel as v3 but I got v4.
     
  2. Apr 6, 2017 #362
    Matt

    Matt Well-Known Member

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    After seeing this, I've just switched all my servers out to use awscli rather than s3cmd :)
     
  3. Apr 6, 2017 #363
    eva2000

    eva2000 Administrator Staff Member

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    yeah seems it helps to now that AWS S3 has a Canada region (ca-central-1) so if you setup S3 bucket there, you should have faster transfers too from AWS S3 Canada to OVH BHS servers or if you have OVH France, then setup AWS S3 in Europe locale
     
  4. Apr 6, 2017 #364
    Matt

    Matt Well-Known Member

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    All the ones I'm backing up are in either GRA or RBX, and pushing them to eu-west-1

    My dedicated backup server is from SYS, so bandwidth is limited anyway, but nice I can use 100% of that limit.
     
  5. Apr 7, 2017 #365
    Jimmy

    Jimmy Premium Member Premium Member

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    Nice to see this for the enterprise servers:
    I thought I read somewhere that they made everything 500 Mbps.

    Sucks that my first install failed. Not getting off to a good start. :(
     
  6. Apr 7, 2017 #366
    eva2000

    eva2000 Administrator Staff Member

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    Last edited: Apr 7, 2017
  7. Apr 7, 2017 #367
    Jimmy

    Jimmy Premium Member Premium Member

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  8. Apr 7, 2017 #368
    eva2000

    eva2000 Administrator Staff Member

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    oh.. I see ! using centos original kernel ? ask OVH tech support if centos original kernel works with NVMe devices it could be like their Intel Xeon D where their drivers are only supported in OVH custom kernel out of the box and not supported under centos original kernel.

    I believe OVH uses Intel DC P3520 NVMe Intel® SSD DC P3520 Series: NVMe* SSD Performance

    Download Intel® SSD Data Center Family for NVMe Drivers and newer Download Intel® SSD Data Center Family for NVMe Drivers
     
    Last edited: Apr 7, 2017
  9. Apr 7, 2017 #369
    Jimmy

    Jimmy Premium Member Premium Member

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    Yea, it appears I have to use the OVH kernel. Is there a post somewhere about how to install centos with the drivers you linked to and the org kernel?

    Can I use centmin mod with the OVH kernel?

     
  10. Apr 7, 2017 #370
    Jimmy

    Jimmy Premium Member Premium Member

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    I've decided to get another server with SSD drives. They're going to credit the old server on my new server. Was really hoping for the NVMe drives. Oh well. SSDs are plenty fast.
     
  11. Apr 7, 2017 #371
    Matt

    Matt Well-Known Member

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    So is it specifically the drives that are the issue, or another part of the hardware missing drivers?
     
  12. Apr 7, 2017 #372
    eva2000

    eva2000 Administrator Staff Member

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    Looks like it's the missing Intel NVMe P3520 drivers in the CentOS distro kernel. Don't have any experience with NVMe devices myself.
     
  13. Apr 7, 2017 #373
    Jimmy

    Jimmy Premium Member Premium Member

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    I'm assuming that the NVMe drives were the issue. I know as much as what was in the support email I got.

    I sure hope I didn't purchase another server and throw away money. I hope the NVMe drives were the only issue. I just wrote the tech and asked. Should've done that first. But I think @eva2000 is probably right.
     
  14. Apr 7, 2017 #374
    BamaStangGuy

    BamaStangGuy Active Member

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    That sucks
     
  15. Apr 7, 2017 #375
    eva2000

    eva2000 Administrator Staff Member

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    yeah

     
  16. Apr 7, 2017 #376
    eva2000

    eva2000 Administrator Staff Member

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    Maybe useful

    https://www.ovh.co.uk/dedicated_servers/netboot.xml

    this is what i see on OVH MC-32 server a 4.9.13 Kernel vanilla i assume is non-GRSec based

    ovh-netboot-kernels-01.png
    i am using mdraid on /dev/md1

    ovh-netboot-kernels-02.png

    ovh-netboot-kernels-03.png

    confirm and reboot server

    Code (Text):
    uname -r
4.9.13-xxxx-std-ipv6-64

    CentOS 7.3 default 3.10 kernel and 4.10.8 elrep mainline kernel both seem to have nvme support i think?
    Code (Text):
    locate nvme.ko
/usr/lib/modules/3.10.0-514.10.2.el7.x86_64/kernel/drivers/nvme/host/nvme.ko
/usr/lib/modules/4.10.8-1.el7.elrepo.x86_64/kernel/drivers/nvme/host/nvme.ko

    Code (Text):
    ls -lahR /lib/modules/$(uname -r)/kernel/drivers/nvme
/lib/modules/4.10.8-1.el7.elrepo.x86_64/kernel/drivers/nvme:
total 16K
drwxr-xr-x.  4 root root 4.0K Apr  7 03:55 .
drwxr-xr-x. 73 root root 4.0K Apr  7 03:55 ..
drwxr-xr-x.  2 root root 4.0K Apr  7 03:55 host
drwxr-xr-x.  2 root root 4.0K Apr  7 03:55 target

/lib/modules/4.10.8-1.el7.elrepo.x86_64/kernel/drivers/nvme/host:
total 268K
drwxr-xr-x. 2 root root 4.0K Apr  7 03:55 .
drwxr-xr-x. 4 root root 4.0K Apr  7 03:55 ..
-rwxr--r--. 1 root root  78K Mar 31 17:11 nvme-core.ko
-rwxr--r--. 1 root root  28K Mar 31 17:11 nvme-fabrics.ko
-rwxr--r--. 1 root root  44K Mar 31 17:11 nvme-fc.ko
-rwxr--r--. 1 root root  52K Mar 31 17:11 nvme.ko
-rwxr--r--. 1 root root  53K Mar 31 17:11 nvme-rdma.ko

/lib/modules/4.10.8-1.el7.elrepo.x86_64/kernel/drivers/nvme/target:
total 192K
drwxr-xr-x. 2 root root 4.0K Apr  7 03:55 .
drwxr-xr-x. 4 root root 4.0K Apr  7 03:55 ..
-rwxr--r--. 1 root root  25K Mar 31 17:11 nvme-loop.ko
-rwxr--r--. 1 root root  37K Mar 31 17:11 nvmet-fc.ko
-rwxr--r--. 1 root root  76K Mar 31 17:11 nvmet.ko
-rwxr--r--. 1 root root  39K Mar 31 17:11 nvmet-rdma.ko

    Code (Text):
    ls -lahR /lib/modules/3.10.0-514.10.2.el7.x86_64/kernel/drivers/nvme
/lib/modules/3.10.0-514.10.2.el7.x86_64/kernel/drivers/nvme:
total 12K
drwxr-xr-x.  3 root root 4.0K Apr  4 07:18 .
drwxr-xr-x. 67 root root 4.0K Apr  4 07:18 ..
drwxr-xr-x.  2 root root 4.0K Apr  4 07:18 host

/lib/modules/3.10.0-514.10.2.el7.x86_64/kernel/drivers/nvme/host:
total 120K
drwxr-xr-x. 2 root root 4.0K Apr  4 07:18 .
drwxr-xr-x. 3 root root 4.0K Apr  4 07:18 ..
-rw-r--r--. 1 root root 110K Mar  3 00:51 nvme.ko

    but seems OVH custom 4.9.13 kernel doesn't
    Code (Text):
    modinfo nvme 
modinfo: ERROR: Module alias nvme not found.

    try the 4.9.13 GRSec kernel
    Code (Text):
    uname -r
4.9.13-xxxx-grs-ipv6-64

lsmod
libkmod: kmod_module_new_from_loaded: could not open /proc/modules: No such file or directory
Error: could not get list of modules: No such file or directory

    OVH provided kernels aren't able to load modules ?
     
  17. Apr 7, 2017 #377
    Jimmy

    Jimmy Premium Member Premium Member

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    Looks like it was the NVMe. Purchased a SSD version and installed org kernel.
    @eva2000 booting netboot with the experimental kernel doesn't work. Tried it and it faulted my NVMe box.
     
    Last edited: Apr 7, 2017
  18. Apr 7, 2017 #378
    Jimmy

    Jimmy Premium Member Premium Member

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    Also got what is below. Is there an image I could use with the NVMe drivers? Could I use RHEL7 with centmin mod?

     
  19. Apr 7, 2017 #379
    eva2000

    eva2000 Administrator Staff Member

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    that sounds like normal CentOS 7 or RHEL 7 iso original installs have NVMe support just OVH CentOS 7 installed via OVH manager images don't support NVMe then ??

    I am curious if I can setup custom kernel with NVMe added support via CentOS Kickstart file based install.

    Testing out CentOS 7 with VNC setup for gui access https://community.centminmod.com/th...ll-on-virtualbox-guest-server.730/#post-47746 so can use gui based system-config-kickstart to generate kickstart file on OVH as OVH doesn't have the default kickstart file that is created normally on CentOS installs at /root/anaconda-ks.cfg

    testing on local virtualbox before trying on OVH

    tightvnc-centos7-virtualbox-kickstart-01.png

    tightvnc-centos7-virtualbox-kickstart-02.png
     
    Last edited: Apr 7, 2017
  20. Apr 8, 2017 #380
    rdan

    rdan Premium Member Premium Member

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    But why I got NVMe SSD working fine for a month now using orig kernel CentOS7?
     
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