I just hope that this is a one-time thing and not an indication that my almost-new hardware is failing. Synology has done a good job of detecting drive disconnection and guiding the user through the removal and repair process. I initially used the Synology Docker GUI, but did not see a way to add new host. If not, I’ll need to replace the drive, then repair the storage pool by re-adding the deactivated or new drive to the pool: Volume 1 was located on 3 drives (4+4+8) setup as SHR 8gb capacity. If the test passes, I’ll be ready to repair the degraded storage pool. The system advised me that the test will take something like 32 hours for this 16TB drive: I’m following the advice in the first article, with instructions from the second article, to run an extended S.M.A.R.T. Weve rounded up the best and most reliable hard drives for Synology NAS that will. HDD/SSD: Drive Tests, Analytics, and Predictions Move your Volume 2 & 3 shared folders to Volume 4 in ControlPanel. (It could just as well be the NAS drive slot that is faulty, or a more random loose connection.) Two helpful Synology knowledge base articles:ĭrive errors occurred, but I am not sure if they resulted from the drives or the drive slots. I could start the repair now, but first I want to test the drive and see if the drive itself is failing. So I guess I really do have to first go to HDD and Deactivate the drive,:Īfter removing the drive and re-installing it, it appears as Not Initialized: A pop-up message advised me that insufficient drives were available: I followed the advice in that message and tried to Repair. The storage pool shows the degraded status with the crashed drive: Now the drive appeared in the HDD list as “Crashed”: The problem is not the Synology packages, but rather those installed using the ipkg. I re-inserted it and its drive light came back on and turned green. DSM is always installed and mirrored across every initialized disk. The HDD log shows “Drive plugged out.” And in fact, the drive’s light on the NAS is off, as if the drive wasn’t even there: Go to Storage Manager > Volume Click on Manage Select Expand size (I know, this is very misleading) Select the new hard drive Wait until the operation finishes: you can now see 'with data protection of 1 disk fault-tolerance) Note: you need to have at least the same size on the new drive and it's better to have similar model. The alert shows the storage pool degraded: (Be sure you have alerts working, especially if your NAS is in a location where the beeping might not be heard.) I thought I’d share some screen shots of what the failure and recovery process looks like. Checking email confirmed my suspicion that a drive had failed-the storage pool was in a “degraded” state. Today I arrived in my office to hear my new Synology DS-1520+ NAS beeping softly.
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