Veritas-bu

Re: [Veritas-bu] NDMP VTL direct copy

2009-09-21 15:52:37
Subject: Re: [Veritas-bu] NDMP VTL direct copy
From: Alexander Leikin <Alexander.Leikin AT loblaw DOT ca>
To: "A Darren Dunham" <ddunham AT taos DOT com>, <veritas-bu AT mailman.eng.auburn DOT edu>
Date: Mon, 21 Sep 2009 15:47:34 -0400
No, I am still in 6.5.3.1 and aware about 6.5.3 NDMP broken patch.


That part seems straightforward.  Configure it as a normal (physical)
robot, and configure a media manager STU for it.  


Let's say I created Robot and few drives on VTL and now I need to assing it
to some media server. Which Server should I assing the robot and drives to? 
The MedServer which runs NDMP software or NDMP host? Logicaly it should be
NDMP host, but it does not have any initiators and it's local to VTL so there is
not way to assign.
If I assing it to media server for NDMP it looks like normal duplication as 
this Media
Server will mount phl and vtl and dup tapes.



Thanks,


Alexander Leikin 
Techniacal Services - Loblaw Companies Limited
320 Matheson Boulevard W , Mississauga, ON L5R 3R1
Tel:  416-569-7782 E-mail: Alexander.Leikin AT loblaw DOT ca


-----Original Message-----
From: veritas-bu-bounces AT mailman.eng.auburn DOT edu 
[mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of A Darren 
Dunham
Sent: September 21, 2009 3:38 PM
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: Re: [Veritas-bu] NDMP VTL direct copy

On Mon, Sep 21, 2009 at 03:07:10PM -0400, Alexander Leikin wrote:
> Thanks for your response.
> Actually I am looking for documentation how to setup robots, storage
> units having VTL with NDMP option turned on and physical library.

> So far I created NDMP hosts with proper authorization.
> I have Media Server which can access both VTL and PHL and NDMP software
> option installed on it. 
> We can use non-NDMP duplication just by mounting vtl and phl on the same 
> Media Server and use vault or bpduplicate, but we would like to use NDMP
> to move load off the Media Server to VTL itself.

Ah, I see now.  I was thinking local NDMP backups, not NDMP direct copy.
That's sort of a new feature.  I don't actually know anyone using it.
Last time I looked at it, you had to have a special VTL that supported
it.  Do you know that your unit supports it?

> I created NDMP storage Units and if I run tpconfig -d
> on the Media Server I am getting 3 instances of drives as follow:
> 
> 26  Q9SL3K01_d8          hcart3 TLD(0)  DRIVE=8 
>       /dev/rmt8.1                                                      UP
>       /dev/scsi/sequential/c4t9d0 (vtl01a)                             UP
>       /dev/scsi/sequential/c24t9d0 (vtl01b)                            UP
> 
> 
> One entry for locally connected Drive and two for NDMP hosts vtl01a and 
> vtl01a. 
> 
> Symantec documentation says the follow and I cannot understand what it means:

> 3 Configure the VTL as a robot, then configure one or more tape
> drives in a Media Manager storage unit. You can use the NetBackup
> Device Configuration wizard. Or, refer to the NetBackup
> Administrator's Guide Volume I for help configuring devices and Media
> Manager storage units.

That part seems straightforward.  Configure it as a normal (physical)
robot, and configure a media manager STU for it.  

> 4 Configure one or more tape drives in the VTL as Network Attached
> Storage devices, and create one or more NDMP storage units for the
> drives. Refer to "Adding a drive" on page 41 and "Adding NDMP storage
> units" on page 44 for procedures. The drives may be the same as those
> that were selected for step 3. NetBackup supports sharing of drives
> among media servers and NDMP hosts.

So set it up as an NDMP STU as well.

> 5 Configure one or more NDMP tape drives in the physical tape library, and 
> add the drives to NDMP storage units. Use the same procedures as those 
> mentioned in step 4. You may also use these drives in Media Manager storage 
> units, if they are shared on SAN.

And set up the PTL drives in the NDMP STU.  Appears you've done that as
well.

What happens when you Dup?  You're not on 6.5.4 are you?
http://seer.entsupport.symantec.com/docs/327487.htm

-- 
Darren
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