As root user, perform the following steps:
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yum -y install hda-greyhole
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- Set up a mysql database and user to access it:
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hda-create-db-and-user greyhole
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- Load the database schema:
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mysql -u greyhole -pgreyhole greyhole < /usr/share/greyhole/schema-mysql.sql
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Initialize the basic settings for Greyhole, configure /etc/greyhole.conf:
- Change db_user and db_password to greyhole.
- Add a line for each drive (go here for adding new hard drives) in the storage pool at the end of the file. The example below is for two drives:
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storage_pool_directory = /var/hda/files/drives/drive2/gh, min_free: 10gb storage_pool_directory = /var/hda/files/drives/drive3/gh, min_free: 10gb
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NOTE: Although the /etc/greyhole.conf contents indicate storage_pool_drive, it should be storage_pool_directory. If you don't set it correctly, Greyhole will not work.
- Now configure the number of copies per share. The example below sets the shares as follows:
- Books for max copies (which is 1 for 2 drives)
- Pictures for 1 copy (which is the same as max)
- Movies for no copies
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num_copies[Books] = 999 num_copies[Pictures] = 2 num_copies[Movies] = 1
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NOTE: For a system with 2 Greyhole drives, 1 copy is the max. The first Greyhole drive holds the master copy and the second a copy. The share will contain a symbolic link to the master.
- In the Dashboard, Shares tab add the following to Extra Parameters for each share you will be configuring to use Greyhole:
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dfree command = /usr/bin/greyhole-dfree vfs objects = greyhole
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- Finally, enable greyhole permanently and start the service:
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systemctl enable greyhole.service systemctl start greyhole.service
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- You can monitor activity by watching /var/log/greyhole.log file:
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tail -f /var/log/greyhole.log
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