3 Posts
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1457
April 20th, 2022 04:00
VNX 5300 change ip address without SP reboot.
Hi guys, read a lot of topics on how to change ip address on VNX, but still have some questions I would like to clarify.
So I have a VNX 5300 which is the only array in a domain. When I try to remove it from the domain the warning says "removing the master will result in deletion of entire domain, including all global information". Does global information includes global admins?
Does peer ip address updates automatically? If not how to change it from cli?
Once I've changed all addresses I just log in back to web-interface and recreate domain?
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DELL-Sam L
Moderator
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7.6K Posts
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April 21st, 2022 08:00
Hello brancott,
If the ip address on the setup page is wrong, then they will need to be changed. The peer ip is the ip of the other sp that you are not logged into. When you change the ip address it will be changed on the setup page.
DELL-Sam L
Moderator
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7.6K Posts
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April 20th, 2022 11:00
Hello brancott,
Yes it will delete and remove all information. Admins accounts will not be affected. You will have to change secondary sp address. Here is a link to a kb that maybe of assistance. https://dell.to/3k1KxPe
brancott
3 Posts
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April 21st, 2022 00:00
Hi Sam, thanks for reply. I cannot view the article however, it says "This article is permission based" so could you write how to change peer address here?
I know I can do it from web setup page, but I'll have to reboot SP which I want to avoid.
Is there a naviseccli command for it?
brettesinclair
2 Intern
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715 Posts
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April 21st, 2022 04:00
Article Content
Symptoms
To be able to change IP address, subnet mask , default gateway of a CLARiiON or VNX for Block storage processor (SP) without rebooting the SPs
Using the CLARiiON/Block setup page in GUI causes a reboot
Any name change requires SP reboot.
https://support.emc.com/kb/5491
Link Error How to change IP address, subnet mask , default gateway or network name of a CLARiiON or VNX for Block storage processor (SP)
naviseccli commands will not cause SPs to reboot.
Starting in R29 and later for Clariions -- naviseccli is rebootless
Resolution
naviseccli commands will not cause SPs to reboot.
Using the CLARiiON/Block setup page in GUI causes a reboot
Any name change requires SP reboot.
Instructions to update the SPs IP addresses, netmask and gateway IPs is below:
Before you begin:
Check to be sure the array is not part of a storage domain
Check that all hosts have dual-Fibre connectivity and that failover software is working correctly
In Unisphere, Under Domains-> Local - for the array he logged into.
Next, clicked on local, only one array should show up - the array the IPs are being change on
Connect to the Array via the naviseccli
Verify the current settings and record them.
Command to check the current SP settings:
CMD:
naviseccli -h networkadmin -get
SAMPLE OUTPIT:
Storage Processor: SP A
Storage Processor Network Name: A-IMAGE
Storage Processor IP Address: 10.241.xx.xx
Storage Processor Subnet Mask: 255.255.xx.xx
Storage Processor Gateway Address: 10.241.xx.xx
Repeat for SPB
Verify the new information before hitting
Once the new ipaddresses are set, if any mistakes were made, it may be necessary to attach directly to the array to correct via the service or serial port
SAMPLE:
naviseccli -h networkadmin -set -address -subnetmask -gateway
At this point theCustomer's network would need to be changed for the new array IP addresses.
Ping the new SP IP and be sure you are able to connect to it before proceeding to SPB.
Once the SPA is updated, contacted, and accessible, Complete changes on SPB
brancott
3 Posts
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April 21st, 2022 05:00
Yes I know IP on both SP A and B must be changed, what ment is a Peer IP on setup web page where IP of another SP is displayed, do I need to adjast it manually or will they see each other's IP automatically?