Lots of folk use a single disk or raid-1 for the system and commit log and
raid-0 for the data volumes http://wiki.apache.org/cassandra/CassandraHardware
Your money is probably better spent on more nodes with more disks and more
memory. More nodes is always better.
Happy to hear reasons other
El 6/14/2011 1:43 PM, Eric Czech escribió:
Thanks Aaron. I'll make sure to copy the system tables.
Another thing -- do you have any suggestions on raid configurations
for main data drives? We're looking at RAID5 and 10 and I can't seem
to find a convincing argument one way or the other.
We
Thanks Aaron. I'll make sure to copy the system tables.
Another thing -- do you have any suggestions on raid configurations for main
data drives? We're looking at RAID5 and 10 and I can't seem to find a
convincing argument one way or the other.
Thanks again for your help.
On Mon, Jun 6, 2011 a
Sounds like you are OK to turn off the existing cluster first.
Assuming so, deliver any hints using JMX then do a nodetool flush to write out
all the memtables and checkpoint the commit logs. You can then copy the data
directories.
The System data directory contains the nodes token and the sc
