[Fedora-livecd-list] shutting down f19-livecd corrups raid1

[Joshua C.]

2013/8/9 Frederick Grose <fgrose at gmail.com>:
> On Thu, Aug 8, 2013 at 6:15 PM, Joshua C. <joshuacov at gmail.com> wrote:
>>
>> My raid1 gets corrupted _everytime_ I shut down a
>> f19-kde-livecd-image. I used kernel.f19 and mdadm.f19 in a f17-livecd
>> and everything works fine. So these two are not the problem.
>>
>> What should I look at? maybe dracut???
>>
>> PS: Testing and experimenting isn't a good idea here because it takes
>> almost 3 hours for the raid to rebuild...
>>
>> --
>> --joshua
>
>
> With Fedora-Live-Desktop-x86_64-19-1 installed to a vfat formatted Live USB
> device, I find this report in /var/log/messages on each reboot:
>
> Aug  8 17:24:09 localhost kernel: [    8.255350] FAT-fs (sdc1): Volume was
> not properly unmounted. Some data may be corrupt. Please run fsck.
> Aug  8 17:24:09 localhost kernel: [   11.052845] bio: create slab <bio-1> at
> 1
> Aug  8 17:24:09 localhost kernel: [   11.179108] EXT4-fs (dm-0): mounted
> filesystem with ordered data mode. Opts: (null)
>
> Once unmounted, fsck reports that the dirty bit is set:
>
> [root at localhost ~]# fsck.vfat -rv /dev/sdc1
> fsck.fat 3.0.22 (2013-07-19)
> fsck.fat 3.0.22 (2013-07-19)
> Checking we can access the last sector of the filesystem
> 0x41: Dirty bit is set. Fs was not properly unmounted and some data may be
> corrupt.
> 1) Remove dirty bit
> 2) No action
> ? 1
> Boot sector contents:
> System ID "SYSLINUX"
> Media byte 0xf8 (hard disk)
>        512 bytes per logical sector
>       4096 bytes per cluster
>         32 reserved sectors
> First FAT starts at byte 16384 (sector 32)
>          2 FATs, 32 bit entries
>    7798784 bytes per FAT (= 15232 sectors)
> Root directory start at cluster 2 (arbitrary size)
> Data area starts at byte 15613952 (sector 30496)
>    1948715 data clusters (7981936640 bytes)
> 62 sectors/track, 247 heads
>          0 hidden sectors
>   15620218 sectors total
> Checking for unused clusters.
> Checking free cluster summary.
> Perform changes ? (y/n) y
> /dev/sdc1: 18 files, 644955/1948715 clusters
>
> I wonder if this may be due to a Bash shell not getting properly shut down
> during shutdown, as reported here,
> http://lists.freedesktop.org/archives/systemd-devel/2013-July/012307.html
>
>       --Fred
>
>
> --
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I was suspecting that systemd could be involved. Do you know if there
is a patch about this?

Since I'm using a livecd image without persistent overlay, there is no
way to find any logs from the shutting down process. But this is very
frustrating....


-- 
--joshua