About your question about maximum RAID size: I cannot answer that. There possibly are different limits on what dmraid can construct via device-mapper (those are likely higher than 4TB). But then there might be limits that the meta-data which the BIOS uses impose. And I have no clue there.
About your question about maximum RAID size: I cannot answer that. There possibly are different limits on what dmraid can construct via device-mapper (those are likely higher than 4TB). But then there might be limits that the meta-data which the BIOS uses impose. And I have no clue there.