Re: NDMP Backup speeds

How about this for the win?

https://docs.netapp.com/ontap-9/topic/com.netapp.doc.dot-cm-ptbrg/GUID-6EC88448-13B9-41E9-A8BD-218E5343D7DF.html

--tmac

*Tim McCarthy, **Principal Consultant*

*Proud Member of the #NetAppATeam <https://twitter.com/NetAppATeam>*

*I Blog at TMACsRack <https://tmacsrack.wordpress.com/>*


On Wed, Jun 2, 2021 at 9:41 AM Heino Walther <[email protected]> wrote:

> Hi there
>
>
>
> We are doing NDMP backups from out FAS2750 with NL-SAS disks onto LTO8
> tape drives via NetBackup.
>
> For other reasons we are doing this via 10G Ethernet, and not directly
> connected tapedrives to the NetApp controllers.
>
> We are seeing backup speeds of about 40-50MB/sec. which is kinda slow, the
> backup is a Windows host that is doing nothing… no CPU or memory load as we
> backup.
>
> The LTO8 drives should be able to do much better (350MB/sec. before
> compression)…
>
> The aggregates are RAID-TEC with 17 drives in it.  We are on ONTAP 9.7.
> We are not seeing a lot of load as we are running the backups…
>
> Could it be that the protocol itself it as cause here?
>
> In the “old days” we did NDMP backup directly from the controllers to the
> tape drives.
>
> We are now thinking of converting two 10G ports to fibrechannel ports…  if
> possible…
>
> So I have two questions 😊
>
>
>
> The FAS2750 is configured with RJ45 10G ports, but would it be possible to
> use FCoE and somehow connect this to a FC/Ethernet switch and be able to
> connect it to the tape drive which is 8G FC (LC Connectors) ?
>
> (I have not worked that much with FCoE… if the FAS2750 was configured with
> CNA-Ports, it would have been easy to convert that into FC)
>
>
>
> Has anyone tried to backup NL-SAS volumes similar to this over directly
> connected NDMP, and what kind of speeds are you seeing?
>
>
>
> Finally if anyone have any idea if the NetBackup setup can be tweaked
> somehow, that would also be useful… (we have tweaked it a bit)
>
>
>
> /Heino
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