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Fast backup/restore

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I am looking for a *fast* backup/restore tools for Postgres. I've found the current used tools pg_dump and pg_restore to be very slow on large databases (~30-40GB). Restore takes time in the tune of 6 hrs on a Linux, 4 proc, 32 G RAM machine which is not acceptable.
 
I am using "pg_dump -Fc" to take backup. I understand binary compression adds to the time, but there are other databases (like DB2) which take much less time on similar data sizes.
 
Are there faster tools available?
 
Thanks.
 

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