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RN528X Disk Error (1 of 8 drives) using X-Raid… what next?
Running 8 Toshiba 4TB SATA drives. observed an error on Disk 4, photos below describe what I see. Questions: 1) Do I need to replace the drive? 2) If not, is there some other "fix" I should try ...
Is it safe to just do this:
1) Power down NAS
2) Pull Disk 4 (bad drive)
3) Insert new Disk 4 (WD Red Plus or Ironwolf - presumably doesn't have to be 4TB but probably will stay with that)
4) Power on NAS
What happens on power-up? Will NAS automagically resync? System says 8.54TB is used and 13.26TB is free.
Sounds like you're saying, prior to this, back up the entire NAS somewhere (One or both of my other 2 NAS drives I guess)?
Thanks for the help!
jimk1963 wrote:
Is it safe to just do this:
1) Power down NAS
2) Pull Disk 4 (bad drive)
3) Insert new Disk 4 (WD Red Plus or Ironwolf - presumably doesn't have to be 4TB but probably will stay with that)
4) Power on NAS
This will work, but I generally advise people to hot-swap (pull disk and replace it with NAS running).
Thanks, will hot swap after backing everything up. Last question, any concern if I swap the 4TB bad drive with a larger one, say 16TB or so? Just looking online, it's more cost-effective to purchase a larger drive but I'm not sure if X-RAID (RAID 6 I think) has any qualms with this? Spec sheet says RN528X has 80TB disk capacity, so I'm nowhere near busting that limit.
jimk1963 wrote:
Thanks, will hot swap after backing everything up. Last question, any concern if I swap the 4TB bad drive with a larger one, say 16TB or so? Just looking online, it's more cost-effective to purchase a larger drive but I'm not sure if X-RAID (RAID 6 I think) has any qualms with this? Spec sheet says RN528X has 80TB disk capacity, so I'm nowhere near busting that limit.
There is no known capacity limit - the 80 TB number was derived by the largest disks available at the time.
That said, you would need to upgrade three more drives to the new size before you would see any increase in the volume size.
Note it would only be one additional drive with single-redundancy XRAID (RAID-5).
It is possible, via SSH, to switch your unit from 8 drives in RAID6 to 7 in RAID5, but that does still require a re-sync and turning of XRAID, which limits future expansion. You may or may not be able to turn it back on after the conversion, there are definately cases where you can't due to "expanded volumes". During that re-sync, your data is at risk of another drive failure. And is that what you really want? If you have good periodic backup, it might be. But if you don't, maybe not.
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