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Cache doesn't appear to be working

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I have version 4.7.  I replaced my SSD cache drive with a 1.5TB drive so that I could use the 1.5TB drive as a "spare" HD and use my SSD in a laptop.  I stopped the array, removed the SSD as a cache drive, shutdown the system, physically replaced the SSD with the 1.5TB drive, started the system, then ran the system with no cache drive while I precleared the 1.5TB drive.  Once preclear finished, I stopped the array and set the new, precleared 1.5 TB drive as the cache and restarted the array.  I had to format the drive. 

 

All indications are that the cache is working.  That is, the 1.5TB drive is marked as a cache.  However, when I copy something to the array, the file does not go to the cache.  Instead, when I check on the cache's contents, there's nothing there.

 

How do I begin debugging this?

Check the user share settings.

  • Author

Thank you.  Under "Shares" on the web interface I have the following:

 

Min. free space:  2000000

Mover schedule:  40 3 * * *

Moving logging is enabled

 

I don't believe I've ever touched this, and to be honest don't know what any of this means. 

 

Does this help?

Are you sure you are:

 

- copying to a user share (a disk share will not work)

 

- enough space on the disk

 

- not writing to an already existing file ?

 

Also: check if you have a /mnt/user0 directory (if not: reboot)

  • Author

Are you sure you are:

 

- copying to a user share (a disk share will not work)

 

- enough space on the disk

 

- not writing to an already existing file ?

 

Also: check if you have a /mnt/user0 directory (if not: reboot)

 

Thank you again.

 

Hmmm...The top three are checked.  However, I do not have a /mnt/user0 directory.  I'll reboot, but it might not be for a while (I am backing up the important files to a drive, and it's taking a long, long time).

Are you sure you are:

 

- copying to a user share (a disk share will not work)

 

- enough space on the disk

 

- not writing to an already existing file ?

 

Also: check if you have a /mnt/user0 directory (if not: reboot)

 

Thank you again.

 

Hmmm...The top three are checked.  However, I do not have a /mnt/user0 directory.  I'll reboot, but it might not be for a while (I am backing up the important files to a drive, and it's taking a long, long time).

 

It sometimes dies on me also, really a drag since you cannot restart it and a reboot is needed..

  • Author

A reboot fixed it!  Thank you. 

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