# New installation on Fedora 23 - FAILED RuntimeError: cd /var/www/discourse && su discourse -c

**URL:** https://meta.discourse.org/t/new-installation-on-fedora-23-failed-runtimeerror-cd-var-www-discourse-su-discourse-c/41220
**Category:** Self-hosting
**Created:** [3월 17, 2016, 6:28오후 UTC](https://meta.discourse.org/t/new-installation-on-fedora-23-failed-runtimeerror-cd-var-www-discourse-su-discourse-c/41220 "2016-03-17T18:28:51Z")
**Posts on this page:** 1
**Showing post:** 6

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### Author: ![codinghorror](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/codinghorror/32/110067_2.png) [@codinghorror](https://meta.discourse.org/u/codinghorror)
#### Post date: [3월 18, 2016, 1:58오전 UTC](https://meta.discourse.org/t/new-installation-on-fedora-23-failed-runtimeerror-cd-var-www-discourse-su-discourse-c/41220/6 "2016-03-18T01:58:36Z")

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Devicemapper is non starter, fails spectacularly under load and causes corruption. We block setup if we detect devicemapper. You need aufs or another better supported docker filesystem.

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