A couple of times a night, NBU marks a path used by a NetApp DOWN:
# grep -n DOWN /var/log/messages
7291:Oct 2 16:14:31 fdsup00002 ltid[20725]: Operator/EMM server has DOWN'ed drive Drive018 (device 12)
7607:Oct 3 00:11:32 fdsup00002 ltid[20725]...
We thought of that too, and traced out the naming and pathing - it was all correct. Also, after having UP'd the path, NDMP would make use of it and not subsequently DOWN it.
At this point I am regarding the DOWNing events as cosmetic and not meanin...
Okay, our SIZE_DATA_BUFFERS on our Windows Media Servers is 61000, and it looks like NBU rounds that up to 61440. That should leave us 4kB for MSEO overhead.
TECH65340 recommends SIZE_DATA_BUFFERS be set to no larger than 59392 (58kB) for system...
Here's excerpts from the extremely verbose ndmpd logs from the NetApp at the same times:
Tue Oct 07 2014 23:46:21 -04:00 [kern_ndmpd:info:1903] [41395] DEBUG: SCSI cb_open_mode_sense: no problems
Tue Oct 07 2014 23:46:21 -04:00 [kern_ndmpd:info:19...
Here's one from last night. Tape MW8133 is to be mounted in drive 1.
Oct 7 23:46:24 fdsup00002 tldd[20805]: TLD(0) MountTape MW8133 on drive 1, from slot 1
Oct 7 23:46:24 fdsup00002 tldd[6469]: TLD(0) io_open: using ndmp
Oct 7 23:46:24 fdsup00...
If you use uppercase or camelcase names in your hosts file, you may want to have an alias that is strictly lowercase, as in:
dotted.ip.address \t fqdn \t shortname \t alias \t alias
so:
10.10.1.45 T20000.some.domain T20000 ...
