May 11, 201016 yr So, I have just set up unRAID. My original config had a parity drive and two array drives. I created a user share which explicitly disallowed use of one of these two drives, anticipating that I would soon receive my Plus license and I could use it as a cache drive. So, it has no data on it, tho the other drive does. I did get my license (thanks!), so I tried unassigning this disk, and making it the cache drive but I am told that "Drive 2 is missing". I did try to reboot, no luck. So, what can i do to make this (drive the cache drive? And if and when I do get it up and going, do I need to go back to my user share and "un-exclude" it from being used? Thanks much in advance. Only 24 hours with unRAID, but (other than this minor hiccup) so far so good!
May 11, 201016 yr So, I have just set up unRAID. My original config had a parity drive and two array drives. I created a user share which explicitly disallowed use of one of these two drives, anticipating that I would soon receive my Plus license and I could use it as a cache drive. So, it has no data on it, tho the other drive does. I did get my license (thanks!), so I tried unassigning this disk, and making it the cache drive but I am told that "Drive 2 is missing". I did try to reboot, no luck. So, what can i do to make this (drive the cache drive? And if and when I do get it up and going, do I need to go back to my user share and "un-exclude" it from being used? Thanks much in advance. Only 24 hours with unRAID, but (other than this minor hiccup) so far so good! The only way to "remove" a drive is to save a new disk configuration without it. The intuitive step of un-assigning it it exactly the same to unRAID as a failed disk. It is still in the existing configuration. (The configuration of disks is stored in config/super.dat ) To remove a disk from the array you must stop the array and press the button labeled as "restore" after checking the box below it to enable it. The button it horribly labeled, as it is actually a "Delete Disk Configuration and Parity" button. Pressing it immediately invalidates parity and deletes the existing disk configuration. (Not the data on the disks, but which disk is assigned to which slot in the array) Pressing the button labeled as "restore" actually re-names the existing config/super.dat file to config/super.old. When you next press "Start" to start the array it will automatically save a brand new super.dat file based on the currently assigned and working drives. It will then begin the task of fully calculating and storing parity once again on the newly defined set of disks. The removal of a disk from the array is just about the only time you'll need to press the button labeled as "restore" For almost every other operation, from replacing a failed drive to upgrading a drive you'll always press "Start" Joe L.
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