qnap check file system volume could not be unmounted

Please note that unless your flash memory is damaged and the NAS is unable to enter the normal operating state you do not need to continue on next chapter. Once the update procedure ends your system now has the System Recovery Mode enabled. Please note that before the update procedure finishes DO NOT INTERVENE OR POWER OFF THE NAS. Once the installation ends you will have to reboot the NAS manually by either going to ' System Tools' -> ' Restart / Shutdown' and select ' Restart' or issue ' reboot' from the console prompt and then when system starts up it will update the kernel and u-boot automatically and then reboot itself again to complete. System Recovery Mode is enabled by installing the QPKG (.qpkg) files via the web administration page under ' System Tools' -> ' QPKG'. If not, you may go the offical firmware download site here and choose the correct firmware that matches your NAS model and update your system before continuing to the next step. Note that prior to enabling the Recovery Mode, please make sure that your current system firmware version is at least v2.1.2 build 081114. The Recovery Mode needs to be manually enabled by installing the special QPKG file. QNAP NAS manufactured prior to 2009 do not carry this function natively. The PC and the NAS can be connected directly by plugging a RJ-45 LAN cable to each other or through a network switch as long as both units are under the same network segment. Therefore in order to establish a TFTP session between the NAS and the PC, substitute 192.168.0.11 as a static IP and a subnet mask of 255.255.255.0 for the PC. Under the Recovery Mode, the NAS boot loader (U-boot) will be pre-configured with an IP address of 192.168.0.10. The Recovery Mode enables the NAS to establish a TFTP session with a remote PC to retrieve the QNAP default flash image file and will programme this flash image file automatically to restore to the factory default state without the need to use a RS-232 console cable. The System Recovery Mode is currently supported on QNAP TS-109, TS-209, TS-409 & TS-409U (including Standard, PRO and PRO-II models). 5 Setup TFTP server on Windows XP/Vista.4 Operating Guideline of System Recovery Mode.

Qnap check file system volume could not be unmounted