![]() ![]() See the System Event Log for more information. Depending on your situation, your data may not be recoverable.DiskPart has encountered an error: Access is denied. If this process doesn't recover your data, contact QNAP support from the QNAP Service Portal. Replace the faulty drives and reinitialize the NAS.Double-click the relevant storage pool/static volume.Go to Storage & Snapshots > Storage > Storage/Snapshots.Ensure that the disks haven't been replaced or removed.To resolve this issue, you can try the following procedure: This usually occurs if the number of faulty disks exceeds the fault tolerance for the RAID group or if the RAID information isn't consistent for every disk. Not Active errorsIf you consistently encounter the following alert, it indicates that the RAID group can’t be assembled automatically. After the rebuild process finishes, if a disk failure error occurs on the same disk slot, confirm the disk health by connecting the disk to a PC and running a disk diagnostic tool.Backup your data to another device as soon as possible. If the RAID rebuilding keeps skipping, it may indicate another faulty disk.If the RAID becomes degraded and read-only during RAID rebuilding, see the Read-only errors section below.Watch for the following issues during and after the rebuilding process:.Go to Storage & Snapshots > Storage > Storage/Snapshot.Remove the new disk and leave the slot empty.If the new disk isn't detected, perform the following steps:.If the new disk is detected, but the RAID rebuild process doesn't start, configure the new disk as a spare disk.On the Disks/VJBOD page, check that the new disk is detected by the NAS.Without shutting off the NAS, remove a disk and wait for the NAS to send an alert beep.Go to Storage & Snapshots > Storage> Disks/VJBOD and check the disk slot status.You can't access the data using FileStation : You can't recover the data in the storage pool.You can still access the data using FileStation: You should back up data to a separate location before replacing the disk.Number of faulty disks does exceed the fault tolerance:.Number of faulty disks doesn't exceed the fault tolerance: You can replace disks using the following process.Your next steps depend on the number of faulty disks and your RAID group: System log entry: Host: Disk x still has warning/error condition.Replace the drive if the error persists shows in System logs. System log entry: Host: Disk X: Medium error.System log entry: Disk drive X failed or is unplugged.If you consistently encounter any of the following alerts, the disks should be replaced. Run a Bad Block scan on the selected disks.Identify and select any drives with Warning or Error statuses. ![]() Go to Storage & Snapshots > Storage > Disks/VJBOD.Secured login and multi-factor authentication.Support Milestone Surveillance Platform.NAS Smart Surveillance System Solutions.NDR Solutions against Targeted Ransomware.Software-defined Platform Total Solution.Support Platform9’s Managed OpenStack Solution.Veeam-Ready and Virtualization Certifications.Management center for device and user permission.With Linux and ZFS, QuTS hero supports advanced data reduction technologies for further driving down costs and increasing reliablility of SSD (all-flash) storage. QuTS hero is the operating system for high-end and enterprise QNAP NAS models. WIth Linux and ext4, QTS enables reliable storage for everyone with versatile value-added features and apps, such as snapshots, Plex media servers, and easy access of your personal cloud. ![]() QTS is the operating system for entry- and mid-level QNAP NAS. ![]()
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