August 9, 20241 yr I have a 6TB Drive that is starting to show signs of failure. I want to replace it with an 18TB drive. My plan was to Replace Parity 2 with the 18TB drive and then use the 12TB to replace the 6TB however it looks like I may need to replace the 6TB first. What is the best option. remove the 12TB as the parity and then make the 12TB the replacement for the 6TB Parity WDC_WD181KFGX - 18 TB (sde) Parity 2 WDC_WD120EFAX - 12 TB (sdf) Disk 1 WDC_WD100EFAX - 10 TB (sdh) Disk 2 WDC_WD100EFAX - 10 TB (sdg) Disk 3 WDC_WD60EFRX - 6 TB (sdc) <- Starting to go UDMA CRC error count 6 Disk 4 WDC_WD120EFBX - 12 TB (sdd) Disk 5 WDC_WD120EFAX - 12 TB (sdb)
August 9, 20241 yr Solution 1 minute ago, Matthew_K said: UDMA CRC error count 6 That is usually a cable issue, not a drive failure. Make sure the cables aren't under tension, ideally if you theoretically removed the drive without disturbing the cable the cable wouldn't move. I'd run an extended SMART test, then check the SMART report to be sure. The long test will take MANY hours.
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