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vorpel

Arc-1260 - Duplicate Raid Set Showing Up - How to fix...?

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Hello. I have an Areca ARC-1260 16-port controller with 15 (currently) Seagate Barracuda 1.5TB (all drives are model "ST31500341AS" and this array has been running for 3 years) hard drives in a single Raid-6 raid set. This morning one of my drives dropped from the raid set. I removed the drive and validated it was bad through SeaTools. I have an extra Seagate 1.5TB drive (same model number) that I put into the system and connected it to channel 5 (where the drive failed this morning). Instead of the drive showing up as free (and I could then create it as a hot-spare and the array would start building), the drive is showing up as 1 drive of 15 in a second raid set that has the exact same name as the read raid set - "Raid Set # 00".

From what I can tell, I will need to delete the 1 drive raid set, however when I go into the "Raid Set Functions", "Delete Raid Set", all I see is both raid arrays and they have the same name...

Is there any way to fix this? I could guess which of the two identically named raid sets is the one with just 1 drive, and delete it, but if I guess wrong I will lose 17TB of data...

Under the "Information", "RaidSet Hierarchy" option, I see the correct array with 14 drives - degraded as the first selection, and the failed array with the new drive I just put in as the second in the list.

Any help would be greatly appreciated.

If I did delete the wrong raidset, is there any way to recover it without losing data?

Thank you so much for reading and any help you can provide...!

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Contacted Areca support here in the US and Benjamin was a great help. After updating the firmware on my ARC-1260, I was able to see the number of drives in each RaidSet. From there I deleted the bad RaidSet with only the new drive, marked the new drive as a hot spare, and the array started rebuilding.

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