February 21, 20179 yr I have a disk failing in my setup. 1 Parity, 7 Data Drives, No Cache currently. Currently all of the drives are still formatted as reiserfs After I preclear a HD, can the new drive be formatting as XFS? Will that have an impact in the rebuild?
February 21, 20179 yr Community Expert It's not possible to change the filesystem for a rebuild, disk will always use the same as the old one, see sticky thread about xfs conversion.
February 21, 20179 yr Author Thanks. And apologies for not seeing the sticky post up higher. So yeah the rebuild will keep it at is and thats fine as well.
February 21, 20179 yr 1 minute ago, ptmuldoon said: Thanks. And apologies for not seeing the sticky post up higher. So yeah the rebuild will keep it at is and thats fine as well. Parity allows a disk to be rebuilt bit by bit. Think of it as a beam me up Scotty exact copy of the original disk. You can't simply change the formatting of RFS to XFS just by flipping a setting on an unRAID disk. So you can't change the format of the rebuilt disk by flipping a setting either. (Once the duplicate is completed, unRAID will extend the disk to be a larger size if you rebuilt on a larger disk, but this really has no impact on the rebuilt portion - and the expansion happens after the rebuild operation.) If you are persistent you may be able to change the format setting in umRAID to XFS. If unRAID tries to mount a RFS formatted disk as XFS, it would not mount. It would show unmountable. unRAID would offer to format it for you, and you might be confused enough to hit the format button. And then your restored data would be toast. This has happened before! So be careful!! YOU CANNOT SWITCH THE FORMAT OF A DISK WITHOUT COPYING ALL OF ITS DATA TO ANOTHER DISK, REFORMATTING, AND THEN COPYING THE DATA BACK.
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