Re: No space left on device (again)

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370GB of 410GB used isn't really "fine", it's over 90% usage.

That said, I'd be interested to know why btrfs fi show /dev/sda3 shows 412.54G used, but btrfs fi df /home shows 379G used...



On 02/25/2014 11:49 AM, Marcus Sundman wrote:
Hi

I get "No space left on device" and it is unclear why:

# df -h|grep sda3
/dev/sda3       413G  368G   45G  90% /home
# btrfs filesystem show /dev/sda3
Label: 'home'  uuid: 46279061-51f4-40c2-afd0-61d6faab7f60
    Total devices 1 FS bytes used 371.11GB
    devid    1 size 412.54GB used 412.54GB path /dev/sda3

Btrfs v0.20-rc1
# btrfs filesystem df /home
Data: total=410.52GB, used=369.61GB
System: total=4.00MB, used=64.00KB
Metadata: total=2.01GB, used=1.50GB
#

So, 'data' and 'metadata' seem to be fine(?), but 'system' is a bit low. Is that it? If so, can I do something about it? Or should I look somewhere else?

I really wish I could get a warning before running out of disk space, instead of everything breaking suddenly when there seems to be lots and lots of space left.

- Marcus

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