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Bandwidth Limitations

jcs23576
Not applicable

‎07-30-2009 01:30 PM

Just a quick question.

We are using NBU 6.5.3 utilizing it for NDMP backups from NetApp.

our backups are spiking disk utlization to 100%, and I noticed NBU has bandwidth Throttling, but I can not go over 10MBps.  Is there any way around this limitation, say limit a host to 20-30MBps (35-40MMBPS seems to be where we see issues)

Thanks,
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John_Stockard
Level 5
Partner Certified

‎07-30-2009 02:45 PM

I don't believe there is a way to limit the bandwidth used by a NetApp filer during an NDMP backup.

I know that the official NetBackup 6.5 System Administrator's Guide says that bandwidth throttling is not supported on Oracle, DataTools-SQL-BackTrack, and MS-SQL-Server policy types.  However, since it also says that the bandwidth throttling is enforced by the NetBackup client software, I would also think that NDMP policies would be incapable of using bandwidth throttling (since there is no NetBackup client software installed on an NDMP host such as a NetApp filer).

The NetApp filer will try to push data out it's LAN port as fast as it can or as fast as your NetBackup media server will accept it, whichever is slower.
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