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Forum Discussion
Readynas Pro 6 stuck in power off - reboot power off cycle.
Hello. I've got a Readynas Pro 6, that I updated to the 6.0 firmware some time ago. It's been running flawlessly for a few years now.\ The unit is used for backup (Time Machine and rsync from Lin...
Thanks. That is certainly not the type of job to really be doing with a New year's Day hangover....! Those molex are pretty tight. I hooked up a spare ATX PSU. Now the unit briefly turns on then back off again. So I guess the issue is more serious. Oh well.
Weird...! I reconnected the old PSU and it booted up fine. It's now resyncing...! Either it was the UPS unit it was previously plugged into, or I did remove and reseat the DIMM when reconnecting the PSU cable. i wonder if that had worked itself loose? Seems unlikely. Anyway fingers crossed it resyncs fully, Thank you!
Weirder and weirder. I just powered off the unit to return it to its normal place under my desk. Once in place I powered it up again and the same issue reoccurs. It starts to boot then fails. This is after running for a few days without issue. I guess I'm now back at square one!
Did you re-boot multiple time before this? If not, it could still be a failing power supply and you just got lucky to get through the initial current demand once.
Otherwise, perhaps a loose connection somewhere? Try re-seating the drives.
Thanks. But no go.
However, I managed to get it booted. When I did so I looked the logs and found out many Command Timeout messages for two disks....! Turns out I'd changed the password for my SMTP server a few months ago but forgotten to change it on the ReadyNAS. So the trusty ReadyNAS had been trying to warn me that disk 1 and 6 had many Command Timeouts for a month now. But I never noticed.
Two impending disk failures on a six disk RAID5 array...!
I bought two replacements then tried to figure which disk was failing. I chose disk6, but that refused to boot too. So it was actually Disk1 that was the culprit. By booting a degraded Raid5 array with two failed units out of six disks I've now messed up that array.
I am experienced enough to repare this situation if it was plain old RAID 5 using MDADM, but I have no idea if I can restore this array on a ReadyNAS. RAIDOS6 uses ZFS now right? Any tips for recovering my array?
(It's not critical as all is backed up, but it's a pain to reconfigure!).
Thanks!
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