[mythtv-users] root partition filled up -- no space to start mysqld
George Mari
george_mythusers at mari1938.org
Wed May 21 01:44:32 UTC 2008
Dewey Smolka wrote:
> Hello all,
>
> I was about to write a great big thank you not last night to all the
> folks behind 0.21 and MythDora for a job well done. Which it most
> certainly is. But I ran into a major showstopper that I'm trying to
> track down and fix.
>
> Some background. Last weekend I upgraded the hardware and software of
> my MBE/FE machine, which raised some complications but nothing I
> couldn't deal with. Previously this system had three drives -- hda was
> the system/recordings volume (200GB), hdb and hdc were storage volumes
> with video/music/etc. I bought two 500 GB WD drives at Microcenter
> (they're going for $100 these days if anyone's interested), and moved
> all the storage to one of the drives (hdc) and configured the second
> (hdb) for recordings. I wiped the old hda and planned to use it for
> system and mysql, and adding the free partition to a storage volume
> with hdb.
>
> The move went pretty smoothly with just a few hiccups -- getting the
> right nvidia driver, getting the db restored properly and pointed to
> the right location, etc.
>
> But it all went south last night in the 7th inning of the Cubs game.
> The whole system froze, requiring a reboot and an fsck on most of the
> partitions. I could reboot and login at the command line, but could
> not get X or mysqld to start -- both report no drive space.
>
> df -h returns this:
>
> [mythtv at mythbackend lib]$ df -h
> Filesystem Size Used Avail Use% Mounted on
> /dev/sda2 12G 12G 0 100% /
> /dev/sda1 99M 12M 83M 13% /boot
> tmpfs 248M 0 248M 0% /dev/shm
> /dev/sda5 174G 22M 174G 1% /mythlibrary2
> /dev/sdb2 465G 69G 397G 15% /mnt/sdb2
> /dev/sdc2 465G 448G 17G 97% /mnt/sdc2
> [mythtv at mythbackend lib]$
>
> Everything is where I'd expected it to be except for sda1. I can
> confirm that the last couple recordings are in /mythlibrary, which is
> bound in fstab to /mnt/sdb2. I don't believe that any recordings have
> been made to mythlibrary2. With /dev/sda5 mounted to /mythlibrary2
> the directory appears empty. With /dev/sda5 unmounted the directory
> also appears empty.
>
> I've had a poke through /var/log but can't see anything to indicate
> what's taking up all the space. Using [root at mythbackend var]# ls -lSRr
> | less only tells me that the largest files in var and any
> subdirectories are about 30MB, and there's only a handful that are
> larger than 10.
>
> Anyone have any suggestions as to what might be going on or how I can fix it?
>
> Thanks in advance
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>
I'm not an expert on the 'du' command, but:
du -hscx /*
seems to give summarized totals for each top-level directory, letting me
see more easily what directory is using the most space. I've used
this to go on similar "large file" hunting expeditions...
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