From 466b292672a41813edc107a60b9d55b58eff7061 Mon Sep 17 00:00:00 2001 From: Kern Sibbald Date: Mon, 25 Dec 2006 09:26:36 +0000 Subject: [PATCH] Update --- rescue/linux/cdrom/makeinitrd | 4 +- rescue/solaris/custom_boot_cd.txt | 191 ++++++++++++++++++++++++++++++ 2 files changed, 193 insertions(+), 2 deletions(-) create mode 100644 rescue/solaris/custom_boot_cd.txt diff --git a/rescue/linux/cdrom/makeinitrd b/rescue/linux/cdrom/makeinitrd index e543af8..d59ad05 100755 --- a/rescue/linux/cdrom/makeinitrd +++ b/rescue/linux/cdrom/makeinitrd @@ -14,8 +14,8 @@ echo "Creating the Initial RAM disk image.... " # first find out how much space we need. ISIZE=`du -s -k roottree/ | awk '{print $1}'` -# add 2 Meg for extra -ISIZE=`expr $ISIZE + 2048` +# add 5 Meg for extra +ISIZE=`expr $ISIZE + 5120` echo "Initial RAM disk contents will be $ISIZE KB" # delete the existing RAM disk image, if there is one diff --git a/rescue/solaris/custom_boot_cd.txt b/rescue/solaris/custom_boot_cd.txt new file mode 100644 index 0000000..5f217c0 --- /dev/null +++ b/rescue/solaris/custom_boot_cd.txt @@ -0,0 +1,191 @@ + +Quick guide on how to make a custom Solaris boot CD to use as a Bacula +client rescue CD for Solaris 10_03/05 x86 (FCS). + + copyright Robert W Hartzell 2006-04-21 + +What you will need: + 1) Static compiled file daemon and config files for your setup. + 2) Solaris 10_03/05 CD 1 of 4 + 3) CD Burner + 4) super-user access to build the miniroot & iso image. + + +1) mkdir /tmp/isodir + +2) Create an empty file to hold the miniroot plus a little extra room + and leaves about 290mb free on the CD + + # mkfile 360m /var/tmp/miniroot + +3) Map the file to a block device + + # lofiadm -a /var/tmp/miniroot + /dev/lofi/1 + +4) Create a new file system on the miniroot + + # newfs -i 8192 -m 1 /dev/rlofi/1 + + newfs: construct a new file system /dev/rlofi/1: (y/n)? y + /dev/rlofi/1: 736800 sectors in 1228 cylinders of 1 tracks, 600 sectors + 359.8MB in 77 cyl groups (16 c/g, 4.69MB/g, 576 i/g) + super-block backups (for fsck -F ufs -o b=#) at: + 32, 9632, 19232, 28832, 38432, 48032, 57632, 67232, 76832, 86432, + 643232, 652832, 662432, 672032, 681632, 691232, 700832, 710432, + 720032, 729632 + +5) Mount the block device + + # mount /dev/lofi/1 /mnt + +6) Copy the root image to the miniroot file system + + # cd /cdrom/cdrom0/s0 + # find . -depth -print | cpio -pdm /mnt + 780288 blocks + +7) Add your static built fd and config files to /mnt + I just reproduced my production directory structure so it looks + like this but you can place the files however you want. Just make + sure they match the config files. + + # cd /mnt/ + + # ls -R opt/local + opt/local: + bin etc sbin + + opt/local/bin: + bacula bconsole btraceback.dbx btraceback.gdb gconsole + + opt/local/etc: + bacula + + opt/local/etc/bacula: + bacula-ctl-fd bacula-fd.conf bconsole.conf + + opt/local/sbin: + bacula-fd bconsole btraceback + + Edit your config files so that the working directory + is /tmp so bacula has writable place to put the pid and state file. + + I also needed to copy some gcc libs from /usr/sfw/lib to the miniroot + and setup a couple of softlinks. Put them in the /mnt/usr/sfw/lib + + # cd /mnt/usr/sfw/lib + # cp /usr/sfw/lib/libgcc_s.so.1 . + # ln -s libgcc_s.so.1 libgcc_s.so + # cp /usr/sfw/lib/libstdc++.so.6.0.3 . + # ln -s libstdc++.so.6.0.3 libstdc++.so.6 + +8) Unmount the file system and delete the lofi device + + # umount /mnt + # lofiadm -d /dev/lofi/1 + +9) Extract the boot files from the CD + + a) Turn off the volume manager + # /etc/init.d/volmgt stop + b) The CD should stll be in the drive. Make sure you use the correct + device for your CDROM drive + + # dd if=/dev/dsk/c1t0d0p0 of=/tmp/mboot+pboot.cd bs=512 count=2 + 2+0 records in + 2+0 records out + + c) Save the bootblk into a file named bootblk.cd + + # dd if=/dev/dsk/c1t0d0p0 of=/tmp/bootblk.cd bs=512 iseek=4 count=60 + 60+0 records in + 60+0 records out + +10) Create the boot files + + a) Create the bootimage + + # cp /tmp/mboot+pboot.cd /tmp/isodir/.bootimage + + b) Create the boot file with a 1k gap in the file + + # cp /tmp/mboot+pboot.cd /tmp/genboot + # dd if=/dev/zero bs=1024 count=1 >> /tmp/genboot + 1+0 records in + 1+0 records out + # cat /tmp/bootblk.cd >> /tmp/genboot + +11) Add your custom content to the CD image (max size is about 290mb) + + I haven't messed with this yet but you should be able to place + just about anything you want in the /tmp/isodir before you create + iso image. It would be a good place to put config files for other + systems. Whatever program you run has to fit in available memory. + +12) Create the CD image using mkisofs + + # mkisofs -r -no-emul-boot \ + -b .bootimage \ + -c .catalog \ + -G genboot \ + -o bacula-rescue.iso \ + -sunx86-boot /var/tmp/miniroot \ + /tmp/isodir/ + + Size of boot image is 4 sectors -> No emulation + Total translation table size: 2048 + Total rockridge attributes bytes: 331 + Total directory bytes: 0 + Path table size(bytes): 10 + Total extents including Solaris x86 boot = 184480 + Max brk space used 8000 + 184630 extents written (360 MB) + +13) Create the custom boot CD + + a) Restart volmgt + + # /etc/init.d/volmgt start + volume management starting. + + b) Burn the image (use the correct device for your burner). + You can get the correct device with: + + # /opt/sfw/bin/cdrecord -scanbus + + Burn the image with: + + # /opt/sfw/bin/cdrecord dev=1,0,0 -v -eject /tmp/bacula-rescue.iso + +14) Now your ready to boot the the system with the rescue CD + + a) Insert the rescue CD and boot the system. + b) Choose option 4 Solaris Interactive Text (Console session) + c) Allow the install routine continue and setup the networking + information according to your site. + d) When you see the "Solaris Interactive Installation" screen exit + the install routine with F5 then confirm with F2 + e) Format and partition the new hard drive (duplicate the partitioning + scheme that was used on the old HD). + f) Create the file systems with newfs, check them with fsck. + g) Mount the HD to /mnt + h) Start the bacula file daemon with: + /opt/local/bin/bacula start + and then bconsole with: + /opt/local/bin/bconsole + + You should now be connected to you backup server and ready to + restore your system to /mnt + i) After the restore is complete you need to make the new HD bootable + with installboot (details on how to do this in the next rev of the doc) + For reference (man installboot) + j) reboot + + + + + + + + -- 2.39.5