permanently mount multiple directories from different disks under root [on hold]

Posted by piotrek on Server Fault See other posts from Server Fault or by piotrek
Published on 2014-06-04T23:40:26Z Indexed on 2014/06/05 3:28 UTC
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linux

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mount

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partition

I have SSD and HDD. Some directories like /var /srv /tmp should be on hdd while /boot /usr /lib on ssd. But do I have to create separate partition for every single directory? i want to have 2 or so partitions. one for each disk and distribute directories as needed. is it possible? and how?

i've heard about symlinks, mount --bind, mhddfs but:

symlinks are treated differently by tools like cp so i'm not sure if it's safe to have main system directories symlinked
i have no idea how can I use mount --bind or mhddfs in fstab

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