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Solved
Hard Drve Failure
I got an email notification this morning saying "Disk test failed on disk in channel 2, model WDC_WD4000F9YZ-09N20L0, serial WD-WMC1F1268766." But NETGEAR RAIDar diagnostics shows the drive is heal...
I have already replaced drive 2 with a spare 4TB and all is back to normal, if another drive fails I think it's best I look for a different drive and will replace the next failed 4TB drive with either a 6TB or 8TB drive.
I don't know where I would backup 6TB of data too? one at a time every week should do it and I'll bite the bullet and go for 8TB drives, model Seagate ST8000VN0002 US$550 each with a 5yr warranty.
claytonb wrote:
3rd Hard Drive in 2 years to be replaced, I know Stephen told me awhile back that these models run hot.
I'm going to get a new 92mm ultra quiet fan to replace and will up the fan speed with the new firmware, doing it now with the orinigal fan is rather noisey.
Still have 3 years left on the warranty and will change to 8TB drives one at a time, any recommendations on hard drives for my readynas 314?
Don't use the seagate archival drives (ST8000AS0002).
I'm still using 6 TB, but I think the WD80EFZX and the ST8000NM0055 are reasonable choices.
How do I start replacing the 4TB drives one at a time to eventually end up with 4x6TB or 4x8TB in RAID 5?
Log files are showing
2016-04-07 08:17:54: md/raid:md127: raid level 5 active with 3 out of 4 devices, algorithm 2
2016-04-07 08:17:53: md/raid:md1: raid level 6 active with 3 out of 4 devices, algorithm 2
Anything to worrry about?
Since your raid array is degraded, begin by doing a backup.
The fastest way would actually be to do a fresh install with the new disks all in place.
The alternative is to begin by inserting the 6 TB drive into the slot 2 (e.g., replace the drive that failed). Wait for rebuild, and then hot-remove/insert drives one at a time (waiting for full resync in between).
I have already replaced drive 2 with a spare 4TB and all is back to normal, if another drive fails I think it's best I look for a different drive and will replace the next failed 4TB drive with either a 6TB or 8TB drive.
I don't know where I would backup 6TB of data too? one at a time every week should do it and I'll bite the bullet and go for 8TB drives, model Seagate ST8000VN0002 US$550 each with a 5yr warranty.
$350 is for the ST8000AS0002 here in NZ
SeaGate archive disks are not recommended for use in a NAS.
I know that, I was just comparing prices, I can not find any ST8000VN0002 for around $350 anywhere
claytonb wrote:
I know that, I was just comparing prices, I can not find any ST8000VN0002 for around $350 anywhere
Current US Amazon pricing is $348.99. http://www.amazon.com/Seagate-SATA-Cache-Drive-ST8000VN0002/dp/B01BBKYNJG
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