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Forum Discussion
Replacing failing disk
Hi all,
I have just received the following email:
| Disk: Detected increasing ATA error count: [29269] on disk 6 (Internal) [ST3000VN000-1H4167, Z3100EWY] 21367 times in the past 30 days. This condition often indicates an impending failure. Be prepared to replace this disk to maintain data redundancy. |
I have a raid-1 one setup (2 disks: 5 and 6), and was wondering if I can replace it a similar but not the exact same drive, e.g. if I buy a 3TB disk, would it work or would I need to find the exact same drive?
Also, where can I find the steps for doing this? Is a simple operation like plugging out the old one and putting in the new one is enough?
Thanks.
As a side note, this is on readynas 626X
3 Replies
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kobari wrote:
I have a raid-1 one setup (2 disks: 5 and 6), and was wondering if I can replace it a similar but not the exact same drive, e.g. if I buy a 3TB disk, would it work or would I need to find the exact same drive?
The replacement doesn't need to be the exact same drive. A 3 TB Ironwolf or a 3 TB WD Red Plus would both work.
However, don't get a desktop class drive (like a Barracuda) or the WD Red model. The Red drive is SMR (as are most 3 TB desktop class drives). SMR drives don't work well with ReadyNAS, you want a CMR drive.
kobari wrote:Also, where can I find the steps for doing this? Is a simple operation like plugging out the old one and putting in the new one is enough?
I recommend hot-swapping (removing the old disk, and inserting the new drive with the NAS running). It is best practice to update your backup before doing this.
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