RE: System stops because /var/log not found after moving to new partition

["Steven J. Yellin" <yellin@xxxxxxxxxxxxxxxxx>]

    In your list of what I assume is / notice that var, usr, home and tmp
are missing. Maybe the last time you made symbolic links you really put
them somewhere else, such as in /root. Try again making them with, say,

cd /
ln -s /mnt/hda5/var
ln -s /mnt/hda5/tmp
ln -s /mnt/hda6/usr
ln -s /mnt/hda6/home

and verify that these commands did what you wanted.  For example, after
the symbolic links are present you should find libncurses.so.5 in
/usr/lib.
    By the way, one way people sometimes make their system less vulnerable
to certain types of exploits is to make /usr readonly by mounting it on
its own partition and mounting the partition readonly.  You cannot do that
with /home and /usr in the same partition.

Steven Yellin

On Sat, 26 Feb 2005, bj wrote:

>
>
> -----Original Message-----
> From: Steven J. Yellin [mailto:yellin@xxxxxxxxxxxxxxxxx]
> Sent: Sunday, February 27, 2005 8:56 AM
> To: Discussion of Red Hat Linux 9 (Shrike)
> Cc: bhamal@xxxxxxxxxxxx
> Subject: Re: System stops because /var/log not found after moving to new
> partition
>
>
>     More comments on the subject:
>     One way to test the effect of disabling dma is to "try setting
> ide=nodma in your grub.conf or on the bootup command line" as suggested in
> https://www.redhat.com/archives/redhat-list/2003-June/msg01639.html . And
> of course the problem might be that your disk is dying, in which case the
> solution is to back up what you want to keep and then replace the disk.
>
> Steven Yellin
>
> On Sat, 26 Feb 2005, Steven J. Yellin wrote:
>
> >     Your dmesg shows disk errors:
> >
> > hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
> > hda: dma_intr: error=0x84 { DriveStatusError BadCRC }
> >
> >     Check that the cables are connected well.  Maybe disabling dma would
> > help (man hdparm, /etc/sysconfig/harddisks), though it would slow down
> > your I/O.
> >
> > Steven Yellin
>
>
>
>
> Hi!
>
> Thank you for the prompt reply .
>
> The cables are connected .
>
> The error used appear even when my system booted fine before I moved the
> /var /tmp & /usr .
>
> SO it seems now my system has 2 errors .
>
> 1. the system needs to find the /var , /tmp & /usr
> 2. check on hdd degradation .
>
>
> Here is on #1 .
>
> Since I have Red Hat 8 , I had downloaded and installed (configure;make;make
> install) the latest stable qt-x11-free-3.3.4 from the /home directory which
> I moved .
>
> My understanding was that wherever I downloaded the library will be still be
> installed under /lib .
>
> My /lib is where it was from the beginning . I have not moved it .
>
> The system hangs means , the boot process shows "Starting system logger "
> then just stays there because it could not find the new /var that has been
> moved to /mnt/hda5/var .
>
> The boot process also gives messages such as :-
>
> /etc/rc.d/rc.sysinit:line 596:/var/run/utmp : no such file or directory
>
> /etc/rc.d/sysinit:line 744: /var/log/dmesg:no such file or directory
>
> touch:creating  'var/lock/subsys/keytable" no such file
>
> Hence , it does not find the moved var .
>
> Please find attached the df & ls -l listings :-
>
> ls
>
> total 196
> drwxr-xr-x    3 root     root         4096 Feb 13 10:14 applications
> drwxr-xr-x    5 root     root         4096 Feb  8 10:01 backup
> drwxr-xr-x    2 root     root         4096 Feb  5 04:15 bin
> drwxr-xr-x    3 root     root         4096 Feb 25 10:49 boot
> drwxr-xr-x   21 root     root       118784 Feb 26 23:00 dev
> drwxr-xr-x   70 root     root         8192 Feb 26 23:01 etc
> drwxr-xr-x    2 root     root         4096 Jun 21  2001 initrd
> drwxr-xr-x    6 root     root         4096 Feb  4 22:49 lib
> drwx------    2 root     root        16384 Jun 26  2004 lost+found
> drwxr-xr-x    2 root     root         4096 Aug 27  2002 misc
> drwxr-xr-x    8 root     root         4096 Feb 26 08:44 mnt
> drwxr-xr-x    2 root     root         4096 Aug 23  1999 opt
> -rw-r--r--    1 root     root            0 Feb 26 22:32 other
> dr-xr-xr-x   33 root     root            0 Feb 26 18:00 proc
> drwxr-x---   31 root     root         4096 Feb 25 10:52 root
> drwxr-xr-x    2 root     root         8192 Feb  4 23:04 sbin
> drwxr-xr-x    3 root     root         4096 Feb  5 04:10 tftpboot
>
> df
>
> Filesystem           1K-blocks      Used Available Use% Mounted on
> /dev/hda2              4134932    410416   3514468  11% /
> /dev/hda5             10056868    284348   9261656   3% /mnt/hda5
> /dev/hda6             19765692   4879948  13881684  27% /mnt/hda6
> none                    256972         0    256972   0% /dev/shm
> /dev/sda1              1025840    535856    489984  53% /mnt/usb
>
> Thanks,
> bj
>
>
>
>
>
>
>

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