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Full Discussion: Sun solaris 5.9 to 5.10 upgrade
Operating Systems Solaris Sun solaris 5.9 to 5.10 upgrade Post 302638515 by phanidhar6039 on Thursday 10th of May 2012 11:00:33 AM
Old 05-10-2012
Quote:
Originally Posted by juan.brein
If I were you... since you are upgrading from 9 to 10... I would definitely go with Live Upgrade.

Basically you can split the mirror, Live Upgrade your system from Solaris 9 to Solaris 10 on the inactive leg. Boot to the new environment and if something goes wrong the back out plan is really fast and straight forward.

You can read more here: Upgrading from Solaris 9 with a Root SVM Mirror to Solaris 10 with a Root ZFS Mirror with less than 10 Minutes of Downtime

I haven't followed that process but it looks good.

The good thing about LU is that the downtime is minimal, and you still preserve the old OS untouched...

Still you will need a console connection and an installation CD in case you run into problems.

Another good Idea would be to replicate the environment on a box, if it local much better, try and document the procedure and then go for the production box, but I know that that sometimes is asking too much...

Good Luck!

Juan

Hi,

i was thinking about the live upgrade as the downtime will be minimal. Could you let me know if below steps are right?

This is my partition table.

Code:
bash-2.05# df -h
Filesystem             size   used  avail capacity  Mounted on
/dev/md/dsk/d0         9.8G   5.5G   4.2G    57%    /
/proc                    0K     0K     0K     0%    /proc
mnttab                   0K     0K     0K     0%    /etc/mnttab
fd                       0K     0K     0K     0%    /dev/fd
swap                   5.2G    88K   5.2G     1%    /var/run
swap                   6.1G   878M   5.2G    15%    /tmp
/dev/md/dsk/d5          44G    12G    32G    28%    /db01
/dev/md/dsk/d6          90G    14G    76G    16%    /backup01
/dev/md/dsk/d4         2.0G    76M   1.8G     4%    /export/home
/dev/md/dsk/d2         9.8G   5.6G   4.1G    58%    /opt/oracle
/dev/md/dsk/d3          42G    42M    41G     1%    /opt/oracle2



Outputs of metastat and metadb. Now the plan is to split the submirrors ie here d20 and upgrade it as below.

Code:
bash-2.05# metadb 
        flags           first blk       block count
       a m  p  luo        16              8192            /dev/dsk/c1t0d0s7
       a    p  luo        8208            8192            /dev/dsk/c1t0d0s7
       a    p  luo        16400           8192            /dev/dsk/c1t0d0s7
       a    p  luo        16              8192            /dev/dsk/c1t2d0s7
       a    p  luo        8208            8192            /dev/dsk/c1t2d0s7
       a    p  luo        16400           8192            /dev/dsk/c1t2d0s7
       a    p  luo        16              8192            /dev/dsk/c1t1d0s7
       a    p  luo        8208            8192            /dev/dsk/c1t1d0s7
       a    p  luo        16400           8192            /dev/dsk/c1t1d0s7

Code:
bash-2.05# metastat -p
d6 -m d16 d26 1
d16 1 1 c1t2d0s1
d26 1 1 c1t3d0s1
d5 -m d15 d25 1
d15 1 1 c1t2d0s0
d25 1 1 c1t3d0s0
d2 -m d12 d22 1
d12 1 1 c1t0d0s3
d22 1 1 c1t1d0s3
d1 -m d11 d21 1
d11 1 1 c1t0d0s1
d21 1 1 c1t1d0s1
d0 -m d10 d20 1
d10 1 1 c1t0d0s0
d20 1 1 c1t1d0s0
d3 -m d13 d23 1
d13 1 1 c1t0d0s4
d23 1 1 c1t1d0s4
d4 -m d14 d24 1
d14 1 1 c1t0d0s5
d24 1 1 c1t1d0s5



As i have transfered the iso image of solaris 10 and placed it on the server as mounting it as below

Code:
 

#lofiadm -a /share/solaris-10-update-u10.iso
#mkdir /mnt/Solaris10u10
#mount -F hsfs -o ro /dev/lofi/1 /mnt/Solaris10u10



Now here i am not sure while detaching should i use d20 or complete disk like (/dev/dsk/c1t1d0s0) this.

Code:
#pkgrm SUNWlucfg SUNWlur SUNWluu

#/mnt/Solaris10010/Tools/Installers/liveupgrade20 -noconsole -nodisplay

#lucreate -c sol9 -n sol10 -m /:/dev/md/dsk/d50:ufs,mirror -m /:d20:detach,attach,preserve 

OR

#lucreate -c sol9 -n sol10 -m /:/dev/md/dsk/d50:ufs,mirror -m /:/dev/dsk/c1t1d0s0:detach,attach,preserve



Now upgrading to solaris 10, activating it and rebooting the system.
Code:
#luupgrade -u -n sol10 -s /mnt/Solaris10u10

#luactivate sol10  (activate sol10)

#init 6   (reboot with init 6)



Now we check which boot environment is active and once we get solaris 10 that is active we remove the older version and clear the d0 to release the submirror (d10)from it and attach it to the new mirror (d50) and resync with new submirror with old one under d50 (d20) which has solaris 10.
Code:
#lustatus (just to check, if new BE is active)

#ludelete sol9

#metaclear d0

#metattach d50 d10

Could you let me know if iam missing anymore step after these things done and any information about lucreate about using the submirror name (d20) or complete disk location (dev/dsk/c1t1d0s0) which is advisable of them?


Thanks a lot for your suggestions

---------- Post updated at 04:00 PM ---------- Previous update was at 03:58 PM ----------

Quote:
Originally Posted by hicksd8
Once you are connected to the console you can login as normal. Issue a

Code:
 
init 0

to take the system down (in an orderly way). This will take you to the "ok" prompt.

At the ok prompt (ensuring the cdrom is in the drive) type:



This will take you into the install routine.

My experience is that an upgrade will take circa 1 hour to 90 minutes tops.

Any other opinions out there??
Hi, I was thinking about live upgrade as it has minimal downtime as i have mentioned in previous post.

could you let me know if i am missing anything in there and once again thanks for your support.
 

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