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Forum Discussion
Strange Ultra 4+ Issue
I am having my first real problem with a ReadyNAS device. It started when i was replacing the final 2 3TB Seagate drives to 4TB ones (the Hitachi ones from the HCL for the Ultra 4+). I had replaced di...
What firmware are you running?
Are you using Xraid or flexraid?
So you can you access all of your data and back it up? You say you have aback up but your are also backing up disk 1, not sure I understand?
If this is the case then at least 3 of the disks must be working.
If you can backup your data then do so, then power down and thoroughly test all 4 disks with vendor tools:
http://www.hgst.com/support/downloads
If they are all ok then insert them, factory default with all disks in then restore your data from backup.
I must point out that a few hundred ata errors is a lot. There are some who would replace a drive that had 1 ata error. You should have replaced that drive before drive 3 as a resync will often cause vulnerable drives to fail completely. Were there also other errors in the smart data? If you decide to use drives with errors then you must have robust backups (as you should always)
Are you using Xraid or flexraid?
So you can you access all of your data and back it up? You say you have aback up but your are also backing up disk 1, not sure I understand?
If this is the case then at least 3 of the disks must be working.
If you can backup your data then do so, then power down and thoroughly test all 4 disks with vendor tools:
http://www.hgst.com/support/downloads
If they are all ok then insert them, factory default with all disks in then restore your data from backup.
I must point out that a few hundred ata errors is a lot. There are some who would replace a drive that had 1 ata error. You should have replaced that drive before drive 3 as a resync will often cause vulnerable drives to fail completely. Were there also other errors in the smart data? If you decide to use drives with errors then you must have robust backups (as you should always)
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