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ReadyNAS NV+ blinking blue and green LEDs
My ReadyNAS NV+ has developed a fault. The blue power LED is flashing at inverals of about once per second, and one of the two HD LEDs is flashing at the same rate. I can ping the ReadyNAS, but I...
MInDev wrote:
Assuming I go down this route and acquire another 1TB drive, is it best to leave the ReadyNAS powered on with the existing drive connected when I plug it in the new drive to begin the RAID creation process?
I do recommend doing a hot-insert (with the NAS running). The benefit of doing a hot-insert or a hot-swap is that the NAS detects exactly what is happening. If you do it with the NAS powered down, then it needs to figure out what changed.
Though doing it powered down generally does work too.
MInDev wrote:
Helpfully the LCD display is readable, and after spending several moments saying only "booting..." it now says:
"booting... Found bad disk"
Does it boot up normally with disk 1 in slot 1 (and slot 2 empty)?
I am a bit concerned about this SMR scenario. The dead drive is a Seagate Barracuda 1TB with model number (I think) ST31000520AS. The second drive is a WD Red 1TB WD10EFRX.
The WD10EFRX is CMR. I believe the ST31000520AS is too old to be SMR. Plus 1 TB Barracudas are listed as CMR here: https://www.seagate.com/internal-hard-drives/cmr-smr-list/
WD RED Plus drives are all CMR, as are Seagate Ironwolf drives. I'd avoid desktop drives, and WD Reds.
Thanks again. When I removed drive 2, reinserted drive 1 and then restarted, the device LCD said that it was running a "quota chk" which took several minutes. Unfortunatly the display became garbled again when it was nearing the completion of this. However I am now able to access the ReadyNAS via my browser.
The Health panel shows:
Disk 1 WDC WD10EFRX-68JCSN0 931 GB , 28 C / 82 F , Write-cache ON OK
Disk 2 UNKNOWN 931 GB Dead
Fan 1 1875 RPM OK
Temp 1 31.5 C / 88 F [Normal 0-60 C / 32-140 F] OK
UPS 1 Not present OK
Oddly the log shows relatively little information:
Mon Dec 7 00:43:13 GMT 2020 System is up.
Mon Dec 7 00:37:09 GMT 2020 Improper shutdown detected. To ensure data integrity, a filesystem check should be performed by rebooting the NAS through Frontview with the volume scan option enabled.
Sun Dec 6 00:31:41 GMT 2020 Backup finished. [Job 001]
Sat Dec 5 11:02:53 GMT 2020 UPS is on line power.
Sat Dec 5 11:02:47 GMT 2020 UPS is on battery power.
Also, my fault again for ambiguity. The drive specs I mentioned previously were for the existing drives inside the device. The two replacement drives that I purchased for future use are the WD Red variety with SMR.
I think the first thing to do is back up the data.
Once that is taken care of, you'll need to decide if you want to purchase two new Red Plus or Ironwolf drives, or use the WD20EFAX. If you maintain good backup(s), then the only risk of trying the WD20EFAX is that you'd see poor performance.
Thank you, you've been very helpful. I will back things up now.
I'm contemplating getting another identical 1TB WD Red which does have CMR, I was able to locate a supplier online - and put off the higher capacity and other drive issues for later.
Assuming I go down this route and acquire another 1TB drive, is it best to leave the ReadyNAS powered on with the existing drive connected when I plug it in the new drive to begin the RAID creation process? I think that's the correct technique, but I just want to be sure.
MInDev wrote:
Assuming I go down this route and acquire another 1TB drive, is it best to leave the ReadyNAS powered on with the existing drive connected when I plug it in the new drive to begin the RAID creation process?
I do recommend doing a hot-insert (with the NAS running). The benefit of doing a hot-insert or a hot-swap is that the NAS detects exactly what is happening. If you do it with the NAS powered down, then it needs to figure out what changed.
Though doing it powered down generally does work too.
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