09-20-2016 07:05 AM
Good Day Guys
I have configured DD over FC with Media server and wanted to run morethan 200 clients over the FC.
Is there any best practices should i use ?
DD and Media Server are zoned to same FC-Switch
is it possible to use DD over IP and FC at the same time on 1 Media server ?
DD with IP whic is FQDN of DD
and DD with FC - whcih is DFC-DDXXX
will it appear as 2 Storage servers ?
Solved! Go to Solution.
09-21-2016 12:51 AM
Yes - its a system wide limitation. The time data domain uses to build the block map for replication seems to increase exponential when the fragment size also increases.
Keep it a 50G and you are good.
09-21-2016 01:22 AM
09-20-2016 07:36 AM
LOL, don't get me started on DD over FC !
What OS are you using? I am on Solaris, and it does not work well. ( not approved on my systems yet )
Based on what I have read you will define separate storage on the Data Domain, and thus separate NB storage units - DD-BOOSTIP and DD-BOOSTFC, although they can point to the same disks, and you should be able to write one and read with the other. There have been several posts about it.
Bottom line - mostly an EMC issue, not NetBackup.
EMC DOES have limits - I think 180 streams on my systems. So you should check their docs.
09-20-2016 09:42 AM - edited 09-20-2016 09:51 AM
Just a addition ..
We are using both DD BOOST over IP and FC. Works well on our Linux media servers.
One thing to note - last time I checked - all replication using FC was always full volume (non-optimized) whereas IP replication was optimized. If you don't replicate between DD system, don't bother :)
If you want to do replication, keep the NBU fragment size at 50G, larger fragment size causes very long replication times per fragment.
Dell EMC say a DD 990 can have 590 incoming data stream, but in reality the performance curve break long time before that. I doubt you will see a a performance increase going larger than 200 concurrent streams.
09-21-2016 12:06 AM
Hi
DD Fc configured on windows2012 Media servers.
On your point "B storage units - DD-BOOSTIP and DD-BOOSTFC, although they can point to the same disks, and you should be able to write one and read with the other."
is it possible to create 2 Storage units ? with different name for IP and FC ?
09-21-2016 12:15 AM
Hi Nicolai
Thanks for info ... is it same settings on STU where as IP and FC on backups.
or any limitations?
09-21-2016 12:51 AM
Yes - its a system wide limitation. The time data domain uses to build the block map for replication seems to increase exponential when the fragment size also increases.
Keep it a 50G and you are good.
09-21-2016 01:22 AM
Thank you
Nicolai