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тАО03-03-2010 12:22 AM
тАО03-03-2010 12:22 AM
Shortly, we have a UPS replacement due to that we need to shutdown and power-off all the servers.
We have the following:
HP-UX Servers
Linux Servers
EVA 8000
and other peripherals:
DDS Tape Drives on unix server
CD ROM Drives on unix/linux servers
Tape MSL Library.
Can someone help me the sequential procedure to follow the shutdown and power-off the above servers and also the start-up.
For power-off the server should need to physical go and have to turned off? Hope we can power-off the hpux servers by using MP console right?
Thank you.
Solved! Go to Solution.
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тАО03-03-2010 12:31 AM
тАО03-03-2010 12:31 AM
SolutionYou cam follow this procedure.
Shutdown
1)shutdown the TL & standalone drives attached to it.
2)Shutdown the servers.
3)Shutdown the SAN.
Startup
1)Start the SAN.
2)start all the servers.
3)start the TL & standalone drives.
Take all the system config,data & ignite backup before the activity.
Rgds.,
Sachin Kumbla.
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тАО03-03-2010 12:32 AM
тАО03-03-2010 12:32 AM
Re: shutdown and startup
HPUX and Linux servers
Storage
tape library
Disk would turn off after server I suppose.
remove power plug if needed in test
and bring them up in reverse order :)
BR,
Kapil+
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тАО03-03-2010 12:43 AM
тАО03-03-2010 12:43 AM
Re: shutdown and startup
1. You should first shutdown your critical applications. Use the application specific commands. You must wait for this process to end. (and this might take a while...)
If you have a cluster, stopping the cluster might shutdown the applications correctly.
2. You can shutdown the HP-UX servers by issuing
shutdown -h -y 0
h stands for Halt. After that you can power off the server (power off UPS)
3. Power off EVA by issuing the proper shutdown command from the controller(s). This will write the content of the cache on the physical HDDs installed on EVA.
Do not power off the server (even through MP) until you stop your application!
For the linux servers, it is important also to issue the shutdown command.
(shutdown -h now) See man shutdown for the actual command.
A word about shutdown order: if you have linux/HP-UX servers that presents NFS/samba volumes to other servers/clients, then you should first stop ALL those clients and in the end you should stop the NFS server.
Also, if you have EVA volumes presented to linux servers, you should take care of this issue in the same way (stop linux servers first then EVA)
Horia.
Horia.
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тАО03-14-2010 11:33 PM
тАО03-14-2010 11:33 PM
Re: shutdown and startup
After power-off the hp-ux servers should i need to plug-out the power cables also?
Thanks.
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тАО03-14-2010 11:45 PM
тАО03-14-2010 11:45 PM
Re: shutdown and startup
Don't think that you require to pull the power cable from the servers.Also , for complete power down the EVA , the order of shutdown should be san s/w , controllers , and disk array if you are completely powering off the EVA.
Regard,
FrogIsDeaf
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тАО03-14-2010 11:52 PM
тАО03-14-2010 11:52 PM
Re: shutdown and startup
It depends upon the test, some customer do a full shutdown test where they remove the power cable as well and start from scratch.
so it really depends upon your need, i mean ur customer ;)
BR,
Kapil+
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тАО03-15-2010 12:39 AM
тАО03-15-2010 12:39 AM
Re: shutdown and startup
It depends what kind of "UPS maintance activity has been conducted,"
scenario 1:-
if total UPS power shut down, Yes need to unplug the power cables from "Server" hence we d'not want to give sudden "spic" to Server immediately once the power resumes.better ON the UPS once everything Green from UPS , Plug back the power cables to the server and than power ON server.
scenario 2:-
if its just "UPS Battery replacement activity we no needed to "un plug cables from the server"
Again its depends, as per your original post
>>Shortly, we have a UPS replacement due to that we need to shutdown and power-off all the servers.<<
Its better / safe to unplug cables from server, I would consider this total power shut down activity
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тАО03-15-2010 01:24 AM
тАО03-15-2010 01:24 AM
Re: shutdown and startup
After halting the server, can i power-off the machines by using the MP console?
or should i manually power-off the machine?
Thanks & Regards
Swetha
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тАО03-15-2010 01:52 AM
тАО03-15-2010 01:52 AM
Re: shutdown and startup
Yes, by following as below, But why ? double work.?
# shutdown -hy 0
MP>PC
>>>or should i manually power-off the machine?<<
Yes,
make sure all Application & Database has gracefull shut down
# shutdown -hy 0
manually power off the machine.