Veritas-bu

[Veritas-bu] Alternate client restores on NDMP !

2003-05-02 09:17:52
Subject: [Veritas-bu] Alternate client restores on NDMP !
From: Steve Kappel <steve.kappel AT veritas DOT com> (Steve Kappel)
Date: Fri, 2 May 2003 08:17:52 -0500 (CDT)
That is correct.

To do that NetBackup would need to implement a data agent
that understood every NAS data format.  There are far too
many formats and many would probably be proprietary and
therefore not available to us.


>Subject: RE: [Veritas-bu] Alternate client restores on NDMP !
>Date: Thu, 1 May 2003 14:54:04 -0700
>From: "Kennedy, Jeffrey" <jkennedy AT qualcomm DOT com>
>To: "Steve Kappel" <steve.kappel AT veritas DOT com>, <Steven.Bally AT radisys 
>DOT com>, 
<karunanidhis AT hotmail DOT com>
>Cc: <Veritas-bu AT mailman.eng.auburn DOT edu>
>
>Ok, just to make sure I (and the Original Poster) get it.
>
>In NBU 4.5 the Solaris/Windows NDMP server option will only move data,
>not act as a destination.  So there is no way to use NBU to do a restore
>of NDMP data to a non-NDMP host.
>
>~JK
>
>> -----Original Message-----
>> From: Steve Kappel [mailto:steve.kappel AT veritas DOT com]
>> Sent: Thursday, May 01, 2003 6:39 AM
>> To: Steven.Bally AT radisys DOT com; karunanidhis AT hotmail DOT com; 
>> Kennedy,
>Jeffrey
>> Cc: Veritas-bu AT mailman.eng.auburn DOT edu
>> Subject: RE: [Veritas-bu] Alternate client restores on NDMP !
>> 
>> The NDMP data stream format is not determined by NetBackup.  It
>> is determined by the NAS device performing the backup and is
>> therefore not necessarily portable to any other NAS (or non-NAS)
>> device.
>> 
>> NDMP has two major agents, one is the DATA agent and the other
>> is the MOVER/TAPE agent.  The MOVER/TAPE agent performs the
>> tape operations and streaming.  The DATA agent performs the
>> backup or restore.  In 4.5 NetBackup we added the feature
>> "Remote NDMP" which is only the MOVER/TAPE agent.  It does
>> not contain a DATA agent.
>> 
>> So you can use NBU 4.5 Remote NDMP on Solaris & Windows to
>> operate a tape drive.  It is exactly like the tape side of
>> an NDMP 3-way between two NAS devices.
>> 
>> Because the actual data format varies from NAS vendor to
>> NAS vendor, NetBackup (and likely any other NDMP backup
>> application) does not create or restore NDMP data streams.
>> You cannot restore an NDMP backup to a non-NDMP (DATA agent)
>> platform using NetBackup.
>> 
>> Some NAS vendors support compatibility between their data
>> format and external formats.  For example, NetApp uses a
>> variant of dump; except for the NetApp extensions, Solaris
>> ufsrestore can restore it.  However, this is strictly a
>> manual operation outside of NetBackup.  Most other NAS
>> vendors use tar/cpio/pax/dump or variations.  In short,
>> you can only depend on vendor X to/from vendor X.
>> 
>> The NDMP specification only defines the control
>> mechanisms.
>> 
>> I hope this clears up this complicated topic.
>> 
>> 
>> >Subject: RE: [Veritas-bu] Alternate client restores on NDMP !
>> >From: "Kennedy, Jeffrey" <jkennedy AT qualcomm DOT com>
>> >To: <Steven.Bally AT radisys DOT com>, "Karun Subramanian"
>> <karunanidhis AT hotmail DOT com>
>> >Cc: <Veritas-bu AT mailman.eng.auburn DOT edu>,
>> <veritas-bu-admin AT mailman.eng.auburn DOT edu>
>> >Date: Wed, 30 Apr 2003 15:49:44 -0700
>> >
>> >That is almost correct.  Pre-4.5 it was not possible at all.
>Post-4.5
>> >it may be possible if you can make the Windows host look like an NDMP
>> >server.  I don't know the details but 4.5+ is supposed to allow a
>> >Solaris/Windows server look like an NDMP server to allow NDMP backups
>> >across the network to the servers drives instead of using direct
>attach
>> >drives.  This can help with drive sharing but at the cost of
>> >performance.
>> >
>> >
>> >
>> >You have always been able to restore an NDMP backup to a Solaris host
>> >and then move the data over to Windows if needed.  Of course, you do
>> >this without NBU pre-4.5, but it's possible.
>> >
>> >
>> >
>> >~JK
>> >
>> >
>> >
>> >-----Original Message-----
>> >From: Steven.Bally AT radisys DOT com [mailto:Steven.Bally AT radisys DOT 
>> >com]
>> >Sent: Tuesday, April 29, 2003 11:21 AM
>> >To: Karun Subramanian
>> >Cc: Veritas-bu AT mailman.eng.auburn DOT edu;
>> >veritas-bu-admin AT mailman.eng.auburn DOT edu
>> >Subject: Re: [Veritas-bu] Alternate client restores on NDMP !
>> >
>> >
>> >
>> >
>> >Karun,
>> >
>> >>From my understanding with Veritas, you cannot restore a NDMP client
>to
>> >a Windows box.
>> >
>> >Others may know better than I, but that is what I was told.
>> >
>> >Steve Bally
>> >Network Administrator
>> >RadiSys Corporation
>> >www.radisys.com
>> >Steve.Bally AT radisys DOT com
>> >Desk: 503-615-1207 Cell: 503-970-6201
>> >
>> >This electronic message (Email) contains information which may be
>> >confidential, privileged or otherwise protected from disclosure. The
>> >information is intended to be used solely by the named recipient(s).
>If
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>> >If you have received this transmission (Email) in error, please
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>> >me immediately.
>> >
>> >
>> >
>> >
>> >
>> >
>> >"Karun Subramanian" <karunanidhis AT hotmail DOT com>
>> >Sent by: veritas-bu-admin AT mailman.eng.auburn DOT edu
>> >
>> > 04/29/2003 11:00 AM
>> >
>> >
>> >        To:        Veritas-bu AT mailman.eng.auburn DOT edu
>> >        cc:
>> >        Subject:        [Veritas-bu] Alternalte client restores on
>NDMP
>> >!
>> >
>> >
>> >
>> >
>> >Hi Folks !
>> >Can I not restore a file from NDMP backup to a Windows NT server and
>> >vice
>> >versa? When I tried to restore a file in a NDMP backup to a Windows
>> >server,
>> >it complained the "Path is not recongized". Any idea??
>> >
>> >Thanks,
>> >- Karun
>> >
>> >
>> >
>> >
>> >
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>> >
>> >
>> >
>> 
>> 
>>
>________________________________________________________________________
>__
>> Steve Kappel                       steve.kappel AT veritas DOT com
>> VERITAS Software (Engineering)


__________________________________________________________________________
Steve Kappel                       steve.kappel AT veritas DOT com
VERITAS Software (Engineering)


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