On 02/18/2015 01:23 AM, Niki Kovacs wrote: > Le 18/02/2015 08:09, Niki Kovacs a écrit : >> >> Apparently no spare devices have been created. So why do I only >> have 226 GB of disk space under CentOS, when I had roughly 650 GB >> under Slackware? > > An idea just crossed my mind. Could it be that 'df' is reporting a > wrong partition size on the RAID 5 array? And how can I check if > this is the case? i have not built any raid system in linux, but from reading, i saw that there is a little difference from unix. also, between linux flavors, there can be a lot of difference. in a way, case of... who wrote the book and how whoever is reading it. ie, Slackware and CentOS. looking at question of 'reporting', 'df' has various ways of reporting size and might/may/could be what is causing difference. so, until an exact reason/cause is replied... besides '-h', what other arguments for 'df' did you try? df --block-size=1000 df --block-size=1024 df --block-size=K df --block-size=M df --block-size=G df --si df -T instead of reading man df have a look at info coreutils 'df invocation' you can also use 'lsblk', which i find it to be off a bit due to how it rounds of sizes, except when using '-b' 'disk utility', 'system monitor', 'kde info center', 'gparted', are other ways of viewing allocation. much luck finding solution. -- peace out. in a world with out fences, who needs gates. CentOS GNU/Linux 6.6 tc,hago. g .