September 29, 20214 yr Hi All, I seem to be unable to add a new drive to my array, even though they are all the same size. The drives are all 2TB, and everywhere I look they are reported as exactly the same size. What I've tried (which didn't work!) - Re-formatting the drive - Re-seating the drive - Checking the "HPA" status - disabled on all drives I've attached some screenshots and the system diagnostics - anyone got any ideas? Array of 3 drives Array to add Disk 3 Error Cheers! Edited September 30, 20214 yr by rational_tech marking solved
September 29, 20214 yr Author sdc root@server:~# fdisk -l /dev/sdc Disk /dev/sdc: 1.82 TiB, 2000398934016 bytes, 3907029168 sectors Disk model: WDC WD20EARS-00M Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: dos Disk identifier: 0x00000000 Device Boot Start End Sectors Size Id Type /dev/sdc1 64 3907029167 3907029104 1.8T 83 Linux Parity Drive root@server:~# fdisk -l /dev/sdg Disk /dev/sdg: 1.82 TiB, 2000398934016 bytes, 3907029168 sectors Disk model: WDC WD20EARX-00P Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disklabel type: gpt Disk identifier: EEFA2B52-1E74-EC4C-A048-B0FDCE7C20CB Device Start End Sectors Size Type /dev/sdg1 2048 3907029134 3907027087 1.8T Linux filesystem
September 29, 20214 yr Community Expert That is the problem, parity partition starts on sector 2048, so it's smaller than the other one, normal starting sector for Unraid is sector 64 (except for non rotational devices), so you'd need to wipe parity first and let Unraid repartition it.
September 29, 20214 yr Author That’s really strange, the parity was wiped by Unraid so not sure why it was setup non-standard. What’s the easiest way to reinit the parity?
September 29, 20214 yr Community Expert Erase current partition with fdisk and let Unraid recreate it, you'll need to re-sync parity.
September 30, 20214 yr Author Thanks JorgeB - this worked and now have added the other drive in as well.
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