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I wish we had a white board and could sit in front of each other to
finish the discussion, but it's obvious that it's not going to be
resolved here.
You believe I'm missing your point, and I believe you're missing my
point.
what matters is if you use a shorthand to track the
values which can't
in my mind, using 2 Gb/s or 4 Gb/s shouldn't make a bit of difference
for a drive that natively writes at 80 MB/s
It shouldn't make a difference if you're sending uncompressible data to
it. If you send highly compressible data to the drive, then there are 2
places on the drive (that I can
Since you've impugned my honor, I feel the need to defend myself a bit,
but I don't want to spend much more time on this topic either:
My first point was that you quoted a Wikipedia article as a source.
The debate as to whether Wikipedia articles have any value is an ongoing
one, and no point in
On Fri, 19 Oct 2007, [EMAIL PROTECTED] wrote:
All -
We have an application with a unique backup/restore requirement.
Simply, when a backup is taken - it must be a true image of the
system. Subsequently, when a restore is performed, it must be an -exact-
image of the restore - nothing
This would be a single master/media server in a SAN environment. I'm backing
up 7TB to a NetApp VTL 700 and then vaulting backups to 4 LTO-3 tape drives. I
want to be able to push the LTO drives to their full capacity, and then looking
ahead at LTO-4.
Neil
All -
We have an application with a unique backup/restore requirement.
Simply, when a backup is taken - it must be a true image of the
system. Subsequently, when a restore is performed, it must be an -exact-
image of the restore - nothing extra.
In other words, any files on the target which do
Does anyone have a sense of how UltraSPARC systems would compare with AMD x64
systems running Netbackup 6.5 on a single master/media server?
For example, I'd be very interested in seeing how something like a 4-core T2000
would stand up against an X4200 with a 2 dual-core opterons.
Neil
Jeff,
The mix was deliberate. Please re-read my post it should become
evident as to why. There was no implication that someone stated they had
experienced data loss.
In fact, nothing in my post is really speaking to dedupe or data loss.
It's about the posts themselves...
- Kent
Not an attack - just a question: Did someone in this thread say they
HAD experienced data loss due to deduplication? If so I missed it.
You mixed comments about another thread in here and I *think* you're
saying something about someone's experience with 10GigE rather than
deduplication. Your
Using Jumbo framing
Using jumbo framing can improve performance but if not implemented
correctly you can quickly go from poor performance to worse. You first
need to make sure the NIC driver supports using jumbo framing. And when
deploying you must make sure all devices on the layer 2 side of
Hi guys,
Thanks for the replies; the issue was indeed to do with system library
files or rather the lack of system library files.
Checking what library files bpcd used showed a number were missing
ldd /usr/openv/netbackup/bin/bpcd
This had the following results:
libkvm.so.2 = not found
How about setting up a white board / aka NetMeeting !
I think this thread has gone on for some time now, and yet there still
appears to be 2 different opinions.
Not going to please everyone.! :-) personally, I would not be worried
about it and will just step out of the debate and move on.
Regarding the tape drives and compression -- this is the part that confuses me.
I can max-out an LTO-3 drive at native write speed at 80MB/s with no
problem using pre-compressed data (compressed Sybase dbdumps), even
with a measly 64kb block size. This is using direct NDMP with 2 Gb/s
fc IBM
Do you use acsls? If so, sometimes the cap can go offline.
Weathers, Matt [EMAIL PROTECTED] 10/19/2007 11:41:56 AM
Situation:
We have a Sun/STK l1400 tape library. We are NetBackup v6 mp4. On
October 5 we had an issue with loading tapes into the library. Sun/STK
service replaced a router in
Situation:
We have a Sun/STK l1400 tape library. We are NetBackup v6 mp4. On October 5 we
had an issue with loading tapes into the library. Sun/STK service replaced a
router in the box and we have been unable to autoload tapes from the CAP ever
since.
We have been in contact with Symantec and
Folks has anyone seen the issue we are seeing on Solaris 10. We have a
Media Server that is at Solaris 10 with the Leadville Driver on the HBA
and we are running Netbackup Enterprise Server version 5.1 MP5. Our tape
drives keep disappearing from the O/S and the drives go down. Either a
reboot or a
I'm wondering if you can clear something up for me, how do people tend to
configure their 1GbE ports for jumbo frames.
We currently don't have a separate backup network. I don't really want to
create a separate backup network right now just to for jumbo frame support
although vlans might help
Hey Steve,
I can confidently say if drives are lost from the O/S where a cfgadm or a
reboot is needed to see them again NBU has absolutely nothing to do with it. Do
you lose /dev/rmt entries? Can you see the drives in the output of a scan
command? You might want to verify the persistant
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