On 03/18/10 01:03 PM, Matt wrote:
Shipping the iSCSI and SAS questions...
Later on, I would like to add a second lower spec box to continuously (or
near-continously) mirror the data (using a gig crossover cable, maybe). I have
seen lots of ways of mirroring data to other boxes which has left me with more
questions than answers. Is there a simple, robust way of doing this without
setting up a complex HA service and at the same time minimising load on the
master?
The answer really depends on how current you wish to keep your backup
and how much data you have to replicate.
I have a couple of x4540s which use ZFS send/receive to replicate each
other hourly. Ech box has about 4TB of data, with maybe 10G of changes
per hour. I have run the replication every 15 minutes, but hourly is
good enough for us.
--
Ian.
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