[Veritas-bu] NetBackup Not Using Backup NIC
2011-03-21 01:46:33
Gidday, with respect to ...
The REQUIRED_INTERFACE option in bp.conf/registry might be what you are after
and ...
Both NICs are on the same IP segment.
addr:172.20.10.23 Mask:255.255.255.0
addr:172.20.10.24 Mask:255.255.255.0
As far as the OS is concerned they are on the same dedicated segments with
equal weight (Metric:1) in the routing table and probably binding to eth0
first. Run bpclntcmd -self to see which interface(s) NBU thinks it is using. My
guess is both will show up.
REQUIRED_INTERFACE only works for outbound TCP SYN requests sent from the
server. If you are backing up using both interfaces then REQUIRED_INTERFACE is
not an option. If only using the eth2 then try this-
REQUIRED_INTERFACE = server-backup.
Otherwise to try using static host routes to force the OS to pick eth2 over
eth0 depending on which IP segment the clients are on if you want your backups
to use that interface.
I already have REQUIRED_INTERFACE set to the correct DNS name (server-backup).
When I ran bpclntcmd -self I got ...
yp_get_default_domain failed: (12) Local domain name not set
NIS does not seem to be running: (1) Request arguments bad
gethostname() returned: gandalf-backup
host server-backup: server-backup.mf.com.au at 172.20.1.44
aliases: server-backup.mf.com.au server-backup 172.20.1.44
You can see that for time being at least, I've put the secondary (eth2) NIC
onto another subnet to see if that improves performance (it doesn't seem to
have helped much - but that's a different problem!) - but I had gotten exactly
same response before I'd changed IP/VLAN.
Cheers
John
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