A bit hard to say. Try chrooting into environment and rebuilding initrd?

--
Eero

2016-10-30 22:53 GMT+02:00 Paul R. Ganci <ga...@nurdog.com>:

> On 10/30/2016 12:26 PM, Paul R. Ganci wrote:
>
>> <snip>I am thinking of putting the CentOS iso out and then booting the VM
>> into it just to poke around the file system. Otherwise my other option is
>> to just clone a twin VM on another server and then just change the
>> networking IPs/hostname. Anybody have any other ideas as to how to debug
>> this problem?
>>
> So I booted off the CentOS-7-x86_64-DVD-1511.iso and everything looks just
> fine:
>
> > df
> Filesystem                         1K-blocks        Used Available   Use%
>  Mounted on
> /dev/mapper/live-rw           2030899    949022    1077781     47% /
> devtmpfs                           2004040              0 2004040
>  0%   /dev
> tmpfs                                 2023652              0 2023652
>  0%   /dev/shm
> tmpfs                                 2023652        8520 2015132
>  1%   /run
> tmpfs                                 2023652              0 2023652
>  0%  /sys/fs/cgroup
> /dev/sr1                             4227724  4227724 0   100%
> /run/install/repo
> tmpfs                                 2023652          200 2023452
>  1%  /tmp
> /dev/mapper/centos-root  10799104  3894196    6904908     37% /mnt/sysimage
> /dev/vda1                            508588     143516 365072     29%
> /mnt/sysimage/boot
> tmpfs                                2023652               0 2023652
>  0%  /mnt/sysimage/dev/shm
>
> > ls /mnt/sysimage
> bin   boot   dev   etc   home   lib   lib64   media   misc   mnt net
>  opt   proc   root    run    sbin   srv   sys    tmp   usr var
>
> > ls -l /mnt/sysimage/boot
> total 109424
> -rw-r--r--.    1 root root       126431  Oct 10 23:18
> config-3.10.0-327.36.2.el7.x86_64
> drwxr-xr-x. 2 root root               26  Oct   2  2015  grub
> drwx------.  6 root root             104  Oct 13 02:21  grub2
> -rw-r--r--.    1 root root   40655493  Apr   3  2015
> initramfs-0-rescue-6494b5d98adc4f66b0cf4c19a0f6ab66.img
> -rw-------.    1 root root   29666884 Oct 13  01:25
> initramfs-3.10.0-327.36.2.el7.x86_64.img
> -rw-------.    1 root root   18119089  Oct 13 02:20
> initramfs-3.10.0-327.36.2.el7.x86_64kdump.img
> -rw-r--r--.    1 root root   10190975  Dec 19  2015 initrd-plymouth.img
> -rw-r--r--.    1 root root      252739  Oct  10 23:20
> symvers-3.10.0-327.36.2.el7.x86_64.gz
> -rw-------.    1 root root    2965270  Oct  10 23:18
> System.map-3.10.0-327.36.2.el7.x86_64
> -rwxr-xr-x.   1 root root    4902656  Apr    3  2015
> vmlinuz0-rescue-6494b5d98adc4f66b0cf4c19a0f6ab66
> -rwxr-xr-x.   1 root root    5157936   Oct  10 23:18
> vmlinuz-3.10.0-327.36.2.el7.x86_64
>
> So the CentOS DVD iso in linux rescue mode shows that everything is there
> and can be mounted. I guess that means somehow either grub itself is
> corrupted or one of the boot images. So is there a way for me to generate a
> new initrd while booted in linux resuce mode or will re-installing grub
> help? How would I attempt re-installing grub while booted in linux rescue
> mode?
>
> --
> Paul (ga...@nurdog.com)
> Cell: (303)257-5208
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>
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