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Full Discussion: Solaris 7 restore problem
Top Forums UNIX for Dummies Questions & Answers Solaris 7 restore problem Post 10426 by guest100 on Wednesday 14th of November 2001 04:06:28 AM
Old 11-14-2001
Solaris 7 restore problem
Hi,

I am trying to restore a full system, which I backup with the ufsdump command, in to a different unix box.
I partitioned that box(second one) exactly the same as the first one and install the same version of operation system(solaris 7).

I have backed up the first system with:

<pre>

mt -f /dev/rmt/0cn rewind

ufsdump 0uf /dev/rmt/0cn /dev/dsk/c0t0d0s0
ufsdump 0uf /dev/rmt/0cn /dev/dsk/c0t0d0s3
ufsdump 0uf /dev/rmt/0cn /dev/dsk/c0t0d0s4
ufsdump 0uf /dev/rmt/0cn /dev/dsk/c0t0d0s5
ufsdump 0uf /dev/rmt/0cn /dev/dsk/c0t1d0s0
ufsdump 0uf /dev/rmt/0cn /dev/dsk/c0t1d0s1
ufsdump 0uf /dev/rmt/0cn /dev/dsk/c0t1d0s3
</pre>

and put everything in to same tape.
Below you can see :

<pre>

isgsi01(root)40: df -k

Filesystem kbytes used avail capacity Mounted on
/proc 0 0 0 0% /proc
/dev/dsk/c0t0d0s0 1987399 936298 991480 49% /
fd 0 0 0 0% /dev/fd
/dev/dsk/c0t0d0s3 962571 645814 259003 72% /var
/dev/dsk/c0t0d0s4 962571 766780 138037 85% /home
/dev/dsk/c0t0d0s5 3009327 2066073 883068 71% /u01
/dev/dsk/c0t1d0s0 3009327 2262543 686598 77% /u02
/dev/dsk/c0t1d0s1 3009327 2323693 625448 79% /u03
/dev/dsk/c0t1d0s3 3009327 2938899 10242 100% /u04
swap 2761080 6592 2754488 1% /tmp

</pre>

The problem is that when I try to restore the (root) / and /var
directories the system core dumps and gives me a bus error.
I went through SUN and "ufsrestore procedure for restoring / and /usr" but it says somewhere that I have to unmount the
file system and create a new file system with newfs.
I can NOT do the umount for / or /var.
I get that the / or /var are busy or already mounted.
What can I do for this ?? I am in / directory when I do that.

I use 'ufsrestore srv 7' for example for the /u04 partition
and it works fine. It does the restore without problems.
The same with all the rest apart from /var and /.
Can anyone help please ??

Thank you.
 

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LEARN ABOUT MOJAVE

mkdevalloc

mkdevalloc(1M)                                            System Administration Commands                                            mkdevalloc(1M)

NAME

       mkdevalloc - Make device_allocate entries

SYNOPSIS

       /usr/sbin/mkdevalloc

DESCRIPTION

       The mkdevalloc command writes to standard out a set of device_allocate(4) entries describing the system's frame buffer, audio and removable
       media devices.

       The mkdevalloc command is used by the init.d(4) scripts to create or update the /etc/security/device_allocate file.

       Entries are generated based on the device special files found in /dev. For the different categories  of  devices,  the  mkdevalloc  command
       checks for the following files under /dev:

       audio           /dev/audio, /dev/audioctl, /dev/sound/...
       tape            /dev/rst*, /dev/nrst*, /dev/rmt/...
       floppy          /dev/diskette, /dev/fd*, /dev/rdiskette, /dev/rfd*
       removable disk  /dev/sr*, /dev/nsr*, /dev/dsk/c0t?d0s?, /dev/rdsk/c0t?d0s?
       frame buffer    /dev/fb

       All  entries  set  the  device-minimum  and device-maximum fields to the hex representations of ADMIN_LOW and ADMIN_HIGH, respectively. The
       device-authorization field is set to solaris.device.allocate, except for the framebuffer entry, where it is  set  to  *.  The  device-name,
       device-type and device-clean fields are set to the following values:

                       device-name      device-type   device-clean

       audio           audio            audio         audio_clean_wrapper
       tape            mag_tape_0,1,... st            st_clean
       floppy          floppy_0,1,...   fd            disk_clean
       removable disk  cdrom_0,1,...    sr            disk_clean
       frame buffer    framebuffer      fb            /bin/true

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
       +-----------------------------+-----------------------------+
       |Availability                 |SUNWcsu                      |
       +-----------------------------+-----------------------------+
       |Interface Stability          |Obsolete                     |
       +-----------------------------+-----------------------------+

SEE ALSO

       allocate(1), bsmconv(1M), attributes(5)

NOTES

       mkdevalloc might not be supported in a future release of the Solaris operating system.

SunOS 5.10                                                          8 Oct 2003                                                      mkdevalloc(1M)
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