This could be an indication of hard disk failure, which is very serious, but can also indicate connection issues or a momentary glitch. When the hard drive status indicator on one of your NAS device’s drive bays is orange, it means your NAS has encountered an error and cannot read data from or write data to the drive. What does it mean when my Synology DS3612xs hard drive status indicator light is orange? If that sounds unlikely to you, believe us, we’ve seen this exact scenario happen countless times in our lab. The longer you wait, the more strain you put the healthy drives in your NAS under, and if you put it off long enough, repairing your storage pool could cause healthy drives to crash, taking down the storage pool and all your data with it. Repairing a degraded storage pool is not something you’ll want to procrastinate on. This is the point where you’ll want to swoop in, replace the offending drive(s), and repair the storage pool. In other words, one of the drives in your NAS (or more, depending on the configuration) has died. For a storage pool to be degraded means that it has lost some or all of its redundancy. Is it a bad thing if I get a Synology storage pool degraded error message?Ī Synology storage pool degraded error message is not necessarily a sign of imminent doom, but it is a sign of impending doom. Synology’s storage manager will warn you if one of your storage pools becomes degraded this is the best opportunity to repair it. If the storage pool is degraded, you can repair it by opening the Storage Manager, going to Overview, and clicking on the link marked Repair.
#Disk health check synology Pc#
If the fault is in your NAS hardware, you can recover the data from your hard drives by connecting them to a PC and following Synology’s instructions here. If all of the disks seem healthy upon a reboot, but the storage pool is still crashed and you still cannot access it, you may be able to restore all of your data by running an mdadm command to resync the array. There might also be file system errors causing your NAS to drop one or more disks in your storage pool. The problem can be the result of a momentary hiccup, either with the affected hard disks or with the NAS device’s hardware itself. You may be able to run a SMART diagnostic and find no issues.
#Disk health check synology Offline#
The fact that a hard disk drive has been taken offline does not necessarily mean the hard disk drive has broken. RAID 5 can afford to lose one hard drive and keep going, RAID 6 can lose two drives, and a RAID 10 NAS can lose up to half of its hard drives. For a simple spanned JBOD volume, a single-disk NAS, or RAID 0, it takes only a single hard drive failure to bring down the entire array. What does it mean if my Synology storage pool crashed?Ī Synology storage pool crashed error message indicates that enough hard disk drives in your NAS have fallen offline to render the entire RAID array nonfunctional.
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