[Sheepdog] sheepdog and RAID

Ski Mountain ski_the_mountain at yahoo.com
Wed Mar 16 04:42:46 CET 2011

Sorry about prematurely sending the previous message by mistake.
I have a question about setting up sheep dog.  Since sheepdog takes care of data 
replication and node addition and subtraction.  What do you do when you have 
multiple disks in a machine in the cluster.  I assume you want to raid one the 
OS, but what is best practices for the directory that stores the objects.  Is is 
best to start the sheep deamon on each mount point, or do you need to RAID the 
multiple disks.  I figured that RAIDing the sheepdog disks would waste space 
making multiple copies would be a waste since sheepdog is RAIDing the data.  So 
would be best for sheepdog to take care of the data distribution and replication 
or what is the best method.  

$ collie cluster format --copies=3

Method stated in documentation
$ sheep /store_dir

Or on each disk
$ sheep /store_disk0
$ sheep /store_disk1
$ sheep /store_disk2
$ sheep /store_disk3
$ sheep /store_disk4
$ sheep /store_disk5
$ sheep /store_disk6

Thanks for a awesome project.

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