[mythtv-users] Myth reports incorrect disk space usage?
Xavier Hervy
maxpower44 at tiscali.fr
Thu Jul 15 16:20:44 EDT 2004
Tim Tait wrote:
> Henk Poley wrote:
>
>> Op donderdag 15 juli 2004 21:00, schreef Jason Keirstead:
>>
>>
>>> On July 15, 2004 03:41 pm, Tim Tait wrote:
>>>
>>>
>>>> Wow, I didn't expect this question to draw much attention! The drive is
>>>> large, so maybe the reserved root space is the reason.
>>>>
>>>> The df used result equates to about 6,480 MB.
>>>>
>>>> From Mythweb status page:
>>>> Total Space: 167,428 MB
>>>> Space Used: 15,440 MB
>>>> Space Free: 151,988 MB
>>>>
>>>
>>> It is not the reserved root.
>>>
>>> The reserved root space only affects the amount free on the drive. It
>>> does
>>> not affect the amount used by files in any way.
>>>
>>
>>
>> If you want to check see programs/mythbackend/mainserver.cpp for the
>> methode MainServer::getFreeSpace. It uses statfs, see 'man statfs' for
>> that.
>>
>> You could also check the mythtv mailinglist archives, as someone else
>> said, this has been beaten to death before ;-)
>>
>> Henk Poley <><
>>
>>
>>
>
> Good info... It seems likes statfs doesn't return used, just the size
> and free quantities. I did "google" it a few times, but it didn't turn
> up anything relevant. I guess you have know the right words to look for.
>
> stat -f /var/video
> File: "/var/video"
> ID: 0 Namelen: 255 Type: ext2/ext3
> Blocks: Total: 45155420 Free: 43496501 Available: 41202741 Size:
> 4096
> Inodes: Total: 22937600 Free: 22937581
>
>
> Guess what, if you subtract "Available" from "blocks total" the result
> is 15440MiB, the same as MythTV reports:) And subtracting "Free" from
> "Total" yields 6480MiB:)
>
> I would humbly suggest that MythTV should report as used only space that
> is actually used, not merely reserved.
>
> Tim
>
I notice this "bug" even if mythtv run as root then i don't understand ...
Xavier
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