Ignite server crashed

[Goru]

Hi Expert,

How to recover ignite server if it crash and same server use as for other application server. How to keep ignite server image if I don't have backup tape drive?

In my env. I have 6 blade servers (no cluster)

Thanks in advance.

[Stephan.]

Hi Goru,
sounds like worst case ...

If you have enough free space on another machine you can copy the client images and configuration files, reinstall the ignite server and copy them back.

For Future you should implement a backup of the ignite server.

hth

[Goru]

yes , worst case.

Is there any option like to take recovery image on DVD ...I am not sure if yes how ?

using with

make_opticaldisc_recovery

[Steven E. Protter]

Shalom,

make_net_recovery

All you need is read-write access to an NFS share to write the image.

SEP

[Goru]

No SEP, I don't get you.

My point is if Ignite server itself crash what are the options to make it up as same server use for other application i.e it is not dedicated server.

[Stephan.]

I'm not sure if i got it right, you have 1 Ignite server (crashed), 5 clients which write their archives to the server.

Now you want to reinstall the server and save the client files before doing so - right?

[Goru]

No, image will save because it is on storage.
My question is how to recover ignite server + application server without doing fresh installation i.e how to take ignite backup of ignite server and recover it with recovery image.

[Goru]

I don't have external tape drive. I have blade server BL870c.

[Turgay Cavdar]

If ignite files and recovery archives are on the SAN and then you just need to present them to another server. Just with a little more config on the new server, you can then recover your original ignite server from the new one.

[Sunny123_1]

Hi

This is the worse case.You want to take full backup but you don't have the tape.I think there is the only way that make an one more backup server and take backup in this server.

Regards
Sunny

[Goru]

If I will make other ignite client as ignite server and import existing volume group then what will be steps to restore original ignite server ? Can I take ignite server ignite on same server with make_net_recovery.

Please give me exact steps

[Ganesan R]

Hi,

What we have done is, we have taken the ignite image of the ignite server and keep it on other server or client itself.

So that the other server or client will act as ignite server for the main server and we can recover if at all main server crashes.

[Sunny123_1]

Hi

<>

What is the use of that?? means if you take the ignute backup in the same server and your system crashes then no use of that.


Regards
Sunny

[Turgay Cavdar]

Yes you can get ignite server recovery image on the same server. Here is some document for itanium, but i can't remember i tried it or not, anyway i think it should work:

1-)first install ignite-ux software to new server

2-)vgimport vg
#vgimport /dev/ignitevg /dev/dsk/ignitedisk
#mount /dev/ignitevg/lvignite /var/opt/ignite

3-)setup /etc/exports .
#vi /etc/exports
/var/opt/ignite/clients -anon=2
/var/opt/ignite/recovery/archives/client_name -anon=2,access=client_name
#exportfs â av

4-)setup /etc/hosts if necessary
#/vi/etc/hosts

5-)check bootps and tftp working

6-)enter old server MAC to /etc/bootptab.

7-)Change the recovery archive nfs_source to new server IP:
#vi /var/opt/ignite/clients/client_name/recovery/latest/archive_cfg
archive_cfg: nfs_source = "new_server_IP:/var/opt/ignite/recovery/archives/client_name

[Goru]

Sunny, you r missing one point I am saying that it is on SAN second if i will make other ignite client as ignite server (import of existing image VG) and want to restore original ignite server

Ganeshan, Can you give me steps ? How you do that recovery of ignite server.

[Sunny123_1]

Hi

I miss that you have SAN.See turgay cavdar's reply and see if that works or not.

Regards
Sunny

[Goru]

Cavdar suggestion sounds good but anyone experienced it?

[Stephan.]

Regarding to the software recovery handbook that should work.

Find the Ignite part here:
http://www.itrc.hp.com/service/cki/docDisplay.do?docId=emr_na-c01037142

[Ganesan R]

Hi Again,

>>Ganeshan, Can you give me steps ? How you do that recovery of ignite server<<

Do you want the steps to recover the ignite server which is already crashed?

or

Do you want to know how to take the ignite image of ignite server itself?

[Goru]

Ganeshan, I want steps for how to recover crashed ignite server which image you keep on client.

[Goru]

Ganeshan please See Cavdar's steps. are those steps you follow?

[Ganesan R]

Hi,

>>Ganeshan, I want steps for how to recover crashed ignite server which image you keep on client<<

If you have taken the image and keep it on any of the client, it means the client is acting as a ignite server for the primary ignite server. So the steps are quit normal.

Boot the ignite server from lan (from GSP/MP)which will pull the image from the client. Command syntax would be,

GSP>boot lan. install
Ex: boot lan.16.138.174.219 install

ip address is the ip address of client which is holding the image.

Once you recovered, it has all the vg information using that it will activate all the volume groups of the ignite server.

You can also do push install. Install the minimum os on the crashed ignite server. Then push the ignite image from the client(which is holding the image)by using the below command.

#/opt/ignite/bin/bootsys â wv

[Ganesan R]

Sorry for the garbage output..

This is the syntax for push intall

For interactive installation
#/opt/ignite/bin/bootsys -wv

For non-interactive installation
#/opt/ignite/bin/bootsys -a

Note, bootsys command requires .rhosts on target machine.

[Sunny123_1]

Hi

What do you have PA-RISC or itanium??
Because procedure is little diffrent for both.

Please refer following thread

http://forums11.itrc.hp.com/service/forums/questionanswer.do?threadId=1338287


Regards
Sunny

[Goru]

Ganeshan, is it fine to keep multiple ignite server together in same env.? Do I have to made any major changes for it?