F2FS File-System Gaining Multiple Device Support

Written by Michael Larabel in Linux Storage on 9 November 2016 at 07:12 PM EST. 16 Comments
The lead developer of the Flash-Friendly File-System, Jaegeuk Kim, has published a patch implementing multiple device support for F2FS.

The F2FS support allows for a single file-system to span multiple storage devices natively without using LVM or the like.

Jaegeuk Kim explained, "This patch implements multiple devices support for f2fs. Given multiple devices by mkfs.f2fs, f2fs shows them entirely as one big volume under one f2fs instance. Internal block management is very simple, but we will modify block allocation and background GC policy to boost IO speed by exploiting them according to each device speed."

The patch can be found on the kernel mailing list while hopefully this new feature will be readied for F2FS in Linux 4.10~4.11.
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