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Forum Discussion
ReadyNAS Ultra 4 Plus Sees only two of four drives and all processes are running super slow
Hi, everyone -
I have a ReadyNAS Ultra 4 Plus. The issue I am having is it sees two of the four disks I have mounted. It did see three at one point, but when I rebooted to try and get it to se...
Hi,
I am not sure where to find mdstat log - and no, there is no data yet, I just bought the unit and I have been setting it up. I haven't been able to log into the admin panel, and Raidar shows disks still testing - one full day.
stephenfromnyc wrote:
I just bought the unit and I have been setting it up. I haven't been able to log into the admin panel, and Raidar shows disks still testing - one full day.
Ok. I'd test one of the disks with WDC Lifeguard's long test - likely you've already done that. Then follow it up with the full write-zeros test.
Assuming both tests pass, then put that one disk into the NAS by itself, and power it up. It should do a factory install onto the drive. After you complete the setup procedure, update the firmware to the current version (which should be 4.2.31 unless the previous owner installed OS 6).
After that, try powering down the NAS. Then move the disk to slot 2, and confirm that the system boots. Repeat that until you've tried all four slots.
That will confirm that the chassis is ok, and that all SATA slots are working. Once you get to that point, try adding the disks one at a time (waitng for resync and the volume to expand). Check on the temperatures every now and then using the web ui. If the power supply is failing, that process might turn up a problem somewhere along the way.
This will take more time than the normal install, but it will give you more information on what's going on if it fails.
stephenfromnyc wrote:
Hi,
I am not sure where to find mdstat log.
You need to access the admin web interface to get that. You navigate to the logs page, and there's a control to download the log zip file there.
Thanks so much - going to try the one disk method, because all the drives seem to be fine. I will report back once I get the results. For some reason I can't access the admin page anymore. Will power down the NAS and start from scratch.
Thanks
Stephen
Hi,
I tried the single disk in solt one and two, and it found the disk fine but the unit reported the disk as "Unprotected." Does that mean I should perform a factory reset?
Thanks for all the help.
Stephen
I think I know what happened now. Two trays came with the unit, and I bought another ReadyNAS Duo, which had two trays - the Ultra 4 trays need screws and the Duo trays don't and the Duo trays were not making good contact with the connectors when the disk was in place - I worked around it a little and now the trays are getting a green light and the system is working - so I think we can try one disk at a time, after syncing and see what happens.
I will resync the disks adding a new disk as the others have a positive resync and see if that was the issue.
Thanks to everyone for all the help.
I will report on how it goes.
If the trays have the screwless plastic inserts, then they aren't for a "Duo", either. Maybe a 102? The old trays w/o the plastic insert are compatible with the newer NASes, but the newer trays (with or without the plastic insert installed) are not compatible with the older NASes. I'm surprised you got it to work at all, but I'm sure your drives' connectors are not making good contact.
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