is it safe to reboot Vcenter if we have Veeam backup job running

Hi Veeam experts

is it safe to reboot Vcenter if we have Veeam backup job running  even if the snapshot already taken

another question

in my setup

i am using NFS share as repository and physical server a proxy and VM as Veeam backup server

the question

is it safe to reboot Veeam backup server if some jobs still running


kindly advice
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sword12Asked:
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sword12Author Commented:
thanks Andrew

i found some sort of answer which make sense here

https://forums.veeam.com/veeam-backup-replication-f2/backup-without-vcenter-t10260.html

it is look like Veeam establish connection Chanel with V-center and keep it open all the time until the job will finish so restarting V-center will kill this Chanel which handle the info sending and receiving between Veeam backup and V-center

so 100 % restarting V-center will heart the backup job in Veeam    

((each process connects to vCenter and maintains that connection for the duration of the backup. Veeam sends commands over this already existing channel rather than opening and closing the connection each time. Certainly there are also various other control traffic that go across this channel))

now i can close this question

thanks for all
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
I would not reboot vCenter Server whilst a backup is being taken!

It's only going to upset Veeam when it tries to communicate with vCenter Server and it's not there or up!
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sword12Author Commented:
But I have a vm 32 TB and the job running since last night
And it will take at least extra day
And I need to reboot vcenter

Plus do you have an idea about rebooting Veeam server in my case if will stop the back up job
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
If you have to urgently reboot vCenter Server - then that has to take priority!

So cancel the job, and if you really need to restart vCenter Server, restart it, and then start the job again.

or take a gamble and restart anyway, and if the job fails, screws up, leaves the VM running on the snapshot, you'll have to deal with it!

and worst case, start the backup again.

Backup may keep running...
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R@f@r P@NC3RVirtualization SpecialistCommented:
Goodnight,

It is not recommended that you restart the VCenter, and more when you are running a backup, remember that during backup execution, your backup software takes a snapshot of the date and then when you finish the backup, it eliminates the snapshot created.

If you restart the Vcenter during the execution of the backup, you can damage the backup of the vm and you can have lost data.

I recommend waiting for the end of the backup.

I remain attentive to your comments..
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sword12Author Commented:
HI

so i will not restart V-center until the job will finish but i have some questions i want to ask just to understand

1- why restarting V-center will effect the backup job if the snapshot already taken and the job now only moving data to the repository

i can understand it is not good to restart V-center  if the job just start and need to take snapshot for the VMS and i understand that V-center must be available when the job finish in order to remove the snapshot  so (( V-center needed at the beginning and at the end of the job ))

but if i have a job which need more than two days to finish why technical restart V-center will heart the job ?!


2- my Veeam setup like this

VM work as Veeam server on VSAN cluster with 10 Ethernet
physical server with 10 G Ethernet connection work as Proxy server
 repository CIFS share from NAS with 10 Ethernet
we don't use any replication right now


my question here can i add another VM as Veeam server or can i use the proxy server as another Veeam server in order to add more jobs or i mean in general can i add another Veeam server to my setup or this not possible it has to be only one Veeam server and multi proxies


3- now i am backup up very big VM which work as file server for us 32 TB this is the first backup Full

and when i try to start another job veeam put the other job in queue . but i have more than 32 GB ram and 8 core CPU for Veeam server so why the other job dose not start

i checked the repository and can accept 8 concurrent jobs

kindly advice
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sword12Author Commented:
Hi

i saw this

https://helpcenter.veeam.com/docs/backup/vsphere/limiting_tasks.html?ver=95


but in my case when i add another job it wait and wait maybe because we have a heavy job running or for other reason i don't know yet
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
2 & 3 are new questions.

In case the Veeam server needs to communicate with vCenter Server which you've rebooted.

If you have to urgently reboot vCenter Server - then that has to take priority!
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sword12Author Commented:
thanks

i think i found the answer for my question 2 and 3

for 2 i found this   second Veeam backup server needed only in Distributed Deployment  

 https://helpcenter.veeam.com/docs/backup/vsphere/deployment_scenarios.html?ver=95


for 3 i found this   the concurrent number related to the number of VMDKs  not VMs  so in my case the current running job backup more than 8   VMDKs  for this the second job has to wait until first job to finish  

https://forums.veeam.com/veeam-backup-replication-f2/one-proxy-two-repositories-concurrent-jobs-t22644.html

for my main question

as i said i don't restart the Vcenter because i manged to fix the issue witch related to update manager without reboot but i still need an answer for my main question which is

i can understand it is not good to restart V-center  if the job just start and need to take snapshot for the VMS and i understand that V-center must be available when the job finish in order to remove the snapshot  so (( V-center needed at the beginning and at the end of the job ))

but my question if i have a job which need more than two days to finish why technically restarting V-center will heart the job ?!


kindly advice
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Yes possibly as Veeam communicates with vCenter
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
If you have to urgently reboot vCenter Server - then that has to take priority!
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sword12Author Commented:
i found the best answer myself
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