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...ilding a system with two Apple RAIDs attached. I have hardware RAID5 configured so no RAIDZ or RAIDZ2, just a basic zpool pointing at the four LUNs representing the four RAID controllers. For on-going maintenance, will a zpool scrub be of any benefit? From what I''ve read with this layer of abstration ZFS is only maintaining the metadata and not the actual data on the drives. What''s the best practice to keep the data healthy? (scrub, import/export, etc..) Also, where are the replicas of the metadata stored in this configuration? Can that be backed up? Thanks. This message posted...

I have a case where I am abstracting the creation of models. After a fair bit of indirection, I eventually get around to making a .new call. I need to be able to pass params to that .new call. I know I can''t use def initialize() in an AR model (rather frustrating). So, I have found some references to after_initialize, but that doesn''t work either. I see several threads on

Hi, Is rails supposed to support referential integrity? That is rails either support to be able to ensure that when a new contact is created this can only happen if a valid suberb is associated with it, and which mechanisms of the below are supposed to do this? (a) using DB foreign key constraints information as a basis? (b) using the "has_one" line in the model file to enfore? If