A possible way to increase free Disk Space on Linux

Monday, 10th August 2009

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One of the servers’s hard disk I do administrate is filling up for some time. In order to increase the amountof free space I remembered that there was a system reserved space for system repair purposes like executing fsck,etc. etc. By default Linux has a certain amount reserved for this purposes if I remember correctly this is usually 5% of all thedisk space available. To check the amount if pre-reserved disk space on a linux installation you might use let’s say the cmd
# tune2fs -l /dev/sda1
You’ll get your occupied space by default in blocks which is a bit unconfortable, however if not familiar please read what is data storage block
In my case I’ve decided to reduce the pre-reserved system space to 2%. To achieve that I’ve executed the following command
# tune2fs -m 2 /dev/sda1
The benefit I’ve got was 2 extra gygagybates of disk space. Which I guess is quite a good gain.You can further read about the topic in Linux’s tune2fs manual or alternatively on the following blogs:
Linux Free Disk Space Not Tally
tune2fs increase linux free disk space .END—–

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