SUMMARY: Best way to move lots of data to new system?

From: Giovanni Navarrette <gio_at_uslink.net>
Date: Thu May 16 2002 - 09:43:52 EDT
Hey everyone:

Sorry for the delay in getting this summary out..., been a horribly busy
couple of weeks. THANKS for the tons of responses y'all sent..., here's
basically the options I got:

---
rsync: Offers compression over the network, you can do it as a 'one big
sync during a maintenance window and update incrementally via cronjobs'

NFS mount/cp: no extra programs needed..., just nfsmount the new RAID and
copy the data over...., rough guesses for copy time were about an hour for
20GB. The most common method was: 'tar/compress/copyormove/uncompress/untar'

dd over network: 'dd if=/dev/rdsk/cXtXdXsX bs= YYk| rsh yourmachine dd 
of=/dev/rdsk/cXtXdXsX' where YY should be the MTU of your network(k was
mentioned for Kilobyte...)

ufsdump over network: ufsdump 0f - /dev/rdsk/c0t3d0s7 | rsh yourmachine 
'(cd /home; ufsrestore rf -)'

tar/ssh over network: cd /LocalParentDir, ssh -x OldHost "cd
/RemoteParentDir ; tar -cf - DataDir" | tar -xpvf -

directly connect new RAID to new old system/old raid: then just cp

ftp: only problem is permissions :\
---

Right now the rsync idea is lookin' pretty good. I still have to get the
RAID up and the server up to production level, so it will still be a
couple of weeks before I try this. I'll let y'all know what happens :)

Thanks for everyone's help! Y'all are the best!! Have a great day!!!

-------------------------------------
Giovanni Navarrette
USLink Internet Systems Administrator
e-Mail: gio@uslink.net
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Received on Thu May 16 09:53:17 2002

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