trurl Posted January 26, 2015 Share Posted January 26, 2015 Oddball question. Should you backup \flash ? In the event of a usbdrive failure I realize that a new key will be required (I have a backup of that anyway... because why not...) but is there any other settings or files which having a backup would help the process of getting up and running again? If not the whole flash are there important files we should be looking at backing up? I rsync my flash periodically as there are some configuration files, plugins, extras, etc, etc. In addition it has the superblock which is the layout of the array itself. Keep in mind it might be out of date from when you've last made a change to the array, so you'll want to do the rsync/backup anytime you change the array. Also, unRAID keeps the array run status in the superblock (super.dat) so if you copy it with the array running and then start from that copy unRAID will assume an unclean shutdown and force a correcting parity check. So, doing the copy with the array stopped is probably a good idea. Ideally an unneeded parity check should not be a problem but sometimes things are not ideal. The most important thing is to not restore a super.dat that is not of the current array configuration. Another user did that after reusing his parity drive as a data drive, and unRAID started writing parity to that data drive. Quote Link to comment
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