January 30, 20179 yr I know my title is wordy, but I havn't been able to find a straight answer to this question. I have an array of 8 drives with 3tb free space left. I would like to remove a 1tb drive from the array and rebuild the data on the remaining drives in the array which have enough space to handle the data on the (full) 1 tb disk. Is this possible or will unriad get mad at me for removing the drive? My goal is to remove the 1 tb drive and repalce it with a secondary parity drive now that that feature is supported.
January 30, 20179 yr Community Expert Not possible to "rebuild" to other disks in the array. Rebuild just makes a disk that is bit-for-bit identical to the original disk. Parity has no concept of files. You will have to move the data to the other disks yourself, then you can set a New Config without the disk and rebuild parity.
January 30, 20179 yr What trurl said. Here's a link with some info you might find useful. https://lime-technology.com/wiki/index.php/Shrink_array
January 30, 20179 yr Author Ok, thank you for the help. I'll report back if I have any more questions!
January 30, 20179 yr Also there is a fast but risky way to move and slow but safe way. The fast way means just removing parity, move data, remove 1TB, add new parity, rebuild both. Your array is not protected during the process. Slow means keep the parity connected which will slow things down. Alternatively, if your cache has enough space, move data to cache then change disk would be even faster and safe, assuming 2 disk cache minimum.
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