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01-31-2011 01:57 AM
01-31-2011 01:57 AM
file based replication
File-based replication does offer the ability to replicate only specific files. However, if as little as one bit of data has changed on a very large file, the entire file is considered as having changed and will be replicated with most solutions.
is it the case with 'rsync' too ? or rsync only replicates the delta ?
Regards
Maaz
3 REPLIES 3
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01-31-2011 02:28 AM
01-31-2011 02:28 AM
Re: file based replication
Hi,
man rsync gives this
"....It is famous for its delta-transfer algorithm, which reduces the amount of data sent over the network by sending only the differences between the source files and the existing files in the destination......"
Truly Evil
Lucifer Megacruel
man rsync gives this
"....It is famous for its delta-transfer algorithm, which reduces the amount of data sent over the network by sending only the differences between the source files and the existing files in the destination......"
Truly Evil
Lucifer Megacruel
"To Denouce the Evils of Truth and Love. To cause may hem and destruction and necromancy , Lucifer is here"
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01-31-2011 08:29 AM
01-31-2011 08:29 AM
Re: file based replication
"is it the case with 'rsync' too ? or rsync only replicates the delta ?"
Yes. Unfortunately.
One solution I am currently brewing in my LAB is DRBD -- an open source block level based Storage replication/clustering solution -- so say you have a 50GB file and only a few bits changed on it -- the other site/machine will only update those changed bits...
http://www.drbd.org/
See if it works for you.
Yes. Unfortunately.
One solution I am currently brewing in my LAB is DRBD -- an open source block level based Storage replication/clustering solution -- so say you have a 50GB file and only a few bits changed on it -- the other site/machine will only update those changed bits...
http://www.drbd.org/
See if it works for you.
Hakuna Matata.
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01-31-2011 03:45 PM
01-31-2011 03:45 PM
Re: file based replication
What are you trying to do
Disaster recovery to another site. There are many options with disk arrays that could be used.
Local replication since another system also needs access to the files. Have you considered the cluster file system ?
Disaster recovery to another site. There are many options with disk arrays that could be used.
Local replication since another system also needs access to the files. Have you considered the cluster file system ?
The opinions expressed above are the personal opinions of the authors, not of Hewlett Packard Enterprise. By using this site, you accept the Terms of Use and Rules of Participation.
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