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06-11-2003 09:45 AM
06-11-2003 09:45 AM
I need to copy a large volume (140 GB) nfs mounted on one hp-ux server to the newly created volume on XP256 that will be mounted on a different hp-ux server. We can export nfs volume to the second machine and do cp. What else could be done? Looking for the best timing solution with the least impact on the environment.
Elena.
Solved! Go to Solution.
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06-11-2003 09:48 AM
06-11-2003 09:48 AM
Re: data copy
I would lean toward restoring a tape backup onto the new system.
Pete
Pete
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06-11-2003 10:00 AM
06-11-2003 10:00 AM
Re: data copy
find . ???print | cpio ???pcxvdmu /newvol
is how I would do it.
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06-11-2003 10:03 AM
06-11-2003 10:03 AM
Re: data copy
Chris
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06-11-2003 10:08 AM
06-11-2003 10:08 AM
Re: data copy
If the two servers are network linked, you can use rcp to copy data remotely.
Both rcp and nfs use remote procedure call (RPC) to transfer data.
Hai
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06-11-2003 10:10 AM
06-11-2003 10:10 AM
Re: data copy
1) ftp ( i think this the fastest one)
2) rcp
3) fbackup with remsh ( you can use compression if needed)
4) cpio with remsh
5) rdump or vxdump
6) tar backup with remsh
7) NFS
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06-11-2003 10:41 AM
06-11-2003 10:41 AM
Re: data copy
Elena.
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06-11-2003 10:53 AM
06-11-2003 10:53 AM
Re: data copy
cd /oldvol
find . -print | cpio -ocxa | remsh
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06-11-2003 11:12 AM
06-11-2003 11:12 AM
SolutionDo you have SSH? Than you could you with
s-commands and not r-commands!
The to of the fastest way to copy files
(a lot of files and a lot of space)
is to use the tar command with pipe to remote:
tar cf -
or with the dump/restore (but you maybe don't have this tools, need to install):
dump -0 -f -
If you don't have any remote copy tools
you will need to export the voliume and use
nfs to copy but it's not the best way,
nfs has his problems.
If you have the SSH package installed
you can use the:
scp
But the tar is the best for this actions,
a few months ago i made a check to find which
command is the fastest for copy files in the network and it's "tar".
The only problem that you can have is that
if you will have any problem on the way of the
copy you will start it again from the beginning
or to check what's coppied to much balagan.
But the first thing is that your network connection between them is fast and good!
That's will help you.
(140GB with good speed it's not much!)
Good luck!
Caesar