September 2, 20196 yr Hello folks, New member, and I'm planning a migration from FlexRAID to unraid. I've got to do the one-disk-at-a-time method. My question is: Can i dump data on to an empty (formatted for unraid) drive, then add the newly emptied drive to unraid as the parity drive, run parity, and then include the swapped data drive in the array? Sorry if the wording is confusing. I'm trying to wrap my head around the order of operations for a one-disk-at-a-time migration. Thanks!
September 2, 20196 yr Community Expert Do you have backups? Parity is no substitute for backups. I wouldn't recommend doing anything unless you already have another copy of anything important and irreplaceable. If you have backups, then it might be an acceptable risk to forget about parity until you have some of your data already in the Unraid array.
September 2, 20196 yr Author 6 minutes ago, trurl said: Do you have backups? Parity is no substitute for backups. I wouldn't recommend doing anything unless you already have another copy of anything important and irreplaceable. If you have backups, then it might be an acceptable risk to forget about parity until you have some of your data already in the Unraid array. I'm not worried about a backup of this data right now. Are you saying that I can create the array (or at least some of it) without doing the parity calculation first?
September 2, 20196 yr Community Expert 9 minutes ago, thrak76 said: Are you saying that I can create the array (or at least some of it) without doing the parity calculation first? There is no requirement for a parity drive, and many people wait until after the initial data load to build parity since parity is written realtime and so impacts write performance.
September 2, 20196 yr Author Interesting... So I guess how much risk am I willing to take then? Thanks!
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