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Forum Discussion
ATA Error Count - what's bad?
I have an ATA Error Count on one drive of 57558. This goes up very slowly, maybe 5 or so counts a month right now - although the odd powercut isn't helping! I have no idea what's a bad count though, a...
It also depends on how important the data on the system is to you and what the system is used for. Some will replace a disk if they get any ATA errors.
However do note that RAID is not a replacement for backups. Disks can and do fail at any time (this of course sometimes means there will be multiple disk failures), so if you primarily store important data on your ReadyNAS you should backup your data regularly.
You may also wish to purchase a UPS with a USB port (must have a USB port, serial-to-usb won't work). Most APC units with USB ports are compatible. With the NAS's power connected to the UPS and the USB cable hooked up as well, the UPS will send monitoring information over USB to the NAS so that the NAS will shutdown safely in the event of a power failure.
However do note that RAID is not a replacement for backups. Disks can and do fail at any time (this of course sometimes means there will be multiple disk failures), so if you primarily store important data on your ReadyNAS you should backup your data regularly.
You may also wish to purchase a UPS with a USB port (must have a USB port, serial-to-usb won't work). Most APC units with USB ports are compatible. With the NAS's power connected to the UPS and the USB cable hooked up as well, the UPS will send monitoring information over USB to the NAS so that the NAS will shutdown safely in the event of a power failure.
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