# How to convert vBulletin 4 database to Discourse?

**URL:** <https://meta.discourse.org/t/how-to-convert-vbulletin-4-database-to-discourse/50029>\
**Category:** Support\
**Created:** [2016 年9 月 12 日 19:45 UTC](https://meta.discourse.org/t/how-to-convert-vbulletin-4-database-to-discourse/50029 "2016-09-12T19:45:32Z")\
**Posts on this page:** 1\
**Showing post:** 18

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作者： ![mpalmer](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/mpalmer/32/45740_2.png) [@mpalmer](https://meta.discourse.org/u/mpalmer)\
发布日期： [2016 年9 月 14 日 03:59 UTC](https://meta.discourse.org/t/how-to-convert-vbulletin-4-database-to-discourse/50029/18 "2016-09-14T03:59:13Z")

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Looks like CentOS might run Docker with the devicemapper storage backend, instead of something sane. According to to the `docker-run` manpage, adding something like `--storage-opt size=20G` to the `docker run` command should give you a new container with a larger root filesystem, but quite frankly, I’d send devicemapper to Davy Jones’ locker and use the aufs storage driver instead.

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