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Forum Discussion
ReadyNas data loss as a result of dead drives (Ultra 4 Plus) - please help
Hi all. Not sure there's much I can do here, but here's my situation. I have a ReadyNas Ultra 4 Plus that I've been using since 2011 (and I moved all my data from a ReadyNas Duo when I upgraded)....
Thanks heaps for the advice. I can't believe this but I shut down the NAS and turned it back on a few times and now it's not saying that drive isn't dead at all. In fact it's resyncing the replacement for the first dead drive as if it never tried to do it in the first place. In the meantime I've managed to grab my photos off it. So even if it fails ultimately, I'm happy. Thanks again.
Check the SMART status for the "undead" drive. It may have been just a fluke, but behavior like that is often a sign of a failing drive. Glad you got your pictures just in case. Now, about that backup you never got around to...
Haha. Yep the photos are uploading to the cloud as we speak. And given the number of Seagate ST3000DM001 HDD's I've chewed through it wouldn't surprise me at all if this was one was on its last legs. Have had much better luck with the WD Red NAS drives.
kiwiaussie wrote:
Haha. Yep the photos are uploading to the cloud as we speak. And given the number of Seagate ST3000DM001 HDD's I've chewed through it wouldn't surprise me at all if this was one was on its last legs. Have had much better luck with the WD Red NAS drives.
Unfortunately WD switched to SMR technology in 2-6 TB EFAX drives. These aren't well suited to RAID - anything that involves a lot of sustained writes (for instance resync) can take a lot longer with SMR. So I'd recommend either the WD30EFRX or the 3 TB Seagate 3 TB Ironwolf if you replace more of the Barracudas.
Their switch to SMR created backlash from many folks, so they now have three Red lines - Red, Red Plus, and Red Pro. Red Plus and Red Pro use CMR (and the WD30EFRX is in the "Red Plus" line). They've also agreed to identify SMR drives on their data sheets.
Thanks heaps. Yeah I have three of theWD30EFRX drives in there now.
My situation at the moment is that when I start up the NAS it says all HDDs are ok and it starts rebuilding the array with the new WD HDD (Slot 2). During this time I can access all the files and the NAS runs as normal.
However, when it hits 100% on the rebuild it says that the HDD in Slot 1 (my last remaining Barracuda drive) has died and the whole volume is dead. However, a reboot of the device and it says that HDD is fine and starts the rebuild again. I'm assuming that HDD is definitely a goner. But is there any way I can complete the rebuild before replacing it?
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