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тАО11-25-2009 08:47 AM
тАО11-25-2009 08:47 AM
so for backup we will generate the tar -cvf in serverA and sftp to serverB, then from serverB will fire cmd as tar -rvf bcoz tape drive is connected only on serverB,
1, Is there any option to fire the tar backup directly from ServerA to the tape drive connected to ServerB
Solved! Go to Solution.
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тАО11-25-2009 08:59 AM
тАО11-25-2009 08:59 AM
SolutionI have the feeling that reading the SSH FAQ might be useful...
http://www.employees.org/~satch/ssh/faq/ssh-faq-5.html#ss5.1
MK
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тАО11-25-2009 10:13 AM
тАО11-25-2009 10:13 AM
Re: network backup?
you could nfs mount the directory from serverA to serverB and skip the ftp/sftp step. and then allow serverA to remote into serverB and kick off the backup.
lots of options
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тАО11-25-2009 10:30 AM
тАО11-25-2009 10:30 AM
Re: network backup?
Tape drives are not shared devices that can be used by remote servers.
Serviceguard may offer this feature, but I've not seen that done.
Therefore the process must be two step.
1) Transfer the file or create it on the remote system that has the tape drive.
2) Start a process that writes the tar file to tape.
This link will help you set up your systems to do this without password prompts:
http://www.hpux.ws/?p=10
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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тАО11-25-2009 11:30 AM
тАО11-25-2009 11:30 AM
Re: network backup?
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тАО11-25-2009 12:21 PM
тАО11-25-2009 12:21 PM
Re: network backup?
see Steven's regarding "passwordless" ssh...
that doesn't require any NFS mounts.
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тАО11-25-2009 01:14 PM
тАО11-25-2009 01:14 PM
Re: network backup?
tar -cvf /rman/backup |ssh test@10.10.49.30 "dd of=/dev/rmt1"
right, then for passwdless login
1. generate the public key of test from serverA and add it in the serverB s test users home directory's .ssh/authorised_keys
2.basically /rman/backup is present in serverA
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тАО11-25-2009 02:23 PM
тАО11-25-2009 02:23 PM
Re: network backup?
You can't use -r for tape.
>SEP: Tape drives are not shared devices that can be used by remote servers.
I assume some industrial strength backup product like Data Protector allows for that?
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тАО11-25-2009 02:42 PM
тАО11-25-2009 02:42 PM
Re: network backup?
> product like Data Protector allows for
> that?
VMScluster.
http://h71000.www7.hp.com/doc/82final/aa-pv5nj-tk/00/00/87-con.html
You can use the OpenVMS MSCP, which is the
mass storage control protocol, or TMSCP,
which is the tape mass storage control
protocol, server software to make tapes
accessible to nodes that are not directly
connected to the storage devices.
Do it all the time.
alp $ show device /full dlt
Magtape ALP$MKB400:, device type Quantum DLT4000 CPQ DRV, is online, record-
oriented device, file-oriented device, served to cluster via TMSCP Server,
[...]
Or "man rmt", for a less feature-rich
environment.
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тАО11-25-2009 02:51 PM
тАО11-25-2009 02:51 PM
Re: network backup?
whether i can run the following cmds as mentioned in the last scrap?