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Overlayfs for 3.10

Overlayfs for 3.10

Posted Mar 14, 2013 12:37 UTC (Thu) by giggls (subscriber, #48434)
Parent article: Overlayfs for 3.10

One of the typical deployment scenarios for a union type filesystem (actually the one I currently use aufs for) is diskless clients where /etc is made from 2-3 components:
global(ro), client-specific(rw via NFS), local (optional, rw on ramdisk)

AFAIR this can not be done in overlayfs. So this is going to be worthless for the diskless crowd right?

Sven


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Overlayfs for 3.10

Posted Mar 21, 2013 2:08 UTC (Thu) by i3839 (guest, #31386) [Link]

I don't know about overlayfs, but considering /etc/ is tiny you could achieve the same result by copying the global components to a local ramdisk/tmpfs and mount-bind the client-specific NFS files/directories one by one with a script. If you don't need local rw, just bind directly on top of the global fs. Or do it the other way round, bind the global fs components on top of the NFS, whatever is more convenient.


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