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Tuổi 02-08-2019, 10:05 PM   #1
hoctinhoc
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Fix lỗi: 503 Service unavailable failed to connect to endpoint vpxd webserver pipe
Troubleshooting vCenter error: 503 Service unavailable failed to connect to endpoint vpxd webserver pipe






Vcenter hay bị lỗi này bạn có thểm kham khảo 1 số cách sau để xử lý nhe


Cách 0 là: gõ lệnh df -h xem ổ cứng của Vcenter có bị đầy không? 1 số trường hợp file audit nó ghi log trong /var/log/audit làm full disk nên dịch vụ không chạy được.


Cách còn lại thì các bạn tham khảo như bên dưới:



https://www.jortechnologies.com/trou...ebserver-pipe/




Hope you re doing all great, In this opportunity I am sharing with you some troubleshooting tips when encountering the 503 Service Unavailable (Failed to connect to endpoint: [N7Vmacore4Http20NamedPipeServiceSpecE:] _serverNamespace = / action = Allow _pipeName =/var/run/vmware/vpxd-webserver-pipe).
I know, this issue can mean tons of things and out there are millions of posts with different solutions,
Here are some of the things you can try when troubleshooting this issue:

  • DNS not resolving.
For external PSC: Make sure vCenter <-> PSC can resolve to each other’s domain names, this is a common situation that does not allow the communication between the solution causing you a lot of troubles.
Try: ping from vCenter to PSC DN and vice-versa, find what is causing the communication error (wrong DNS).

  • Masked services
I suggest to trying the DNS not resolving issue steps first if no DNS issue is found, then try to see if the services are masked.
the mask is a stronger version of disabling. Using disable all symlinks of the specified unit file are removed. If using the mask the units will be linked to /dev/null. This will be displayed if you check e.g. by systemctl status halt.service.
Run systemctl list-unit-files | grep vmware to see if there are masked services
Example:
root@jorvcsa [ ~ ]# systemctl list-unit-files | grep vmware vmware-bigsister.service static vmware-cm.service masked vmware-content-library.service masked vmware-eam.service masked vmware-firewall.service enabled vmware-imagebuilder.service masked vmware-mbcs.service masked vmware-netdump.service masked vmware-perfcharts.service masked vmware-rbd-watchdog.service masked vmware-rhttpproxy.service masked vmware-sca.service masked vmware-sps.service masked vmware-statsmonitor.service masked vmware-updatemgr.service masked vmware-vapi.service masked vmware-vcha.service masked vmware-vmon.service masked vmware-vmonapi.service masked vmware-vpostgres.service masked vmware-vpxd-svcs.service masked vmware-vpxd.service masked vmware-vsan-health.service masked vmware-vsm.service masked vmware-bigsister.timer disabled
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root@jorvcsa [ ~ ]# systemctl list-unit-files | grep vmware
vmware-bigsister.service static
vmware-cm.service masked
vmware-content-library.service masked
vmware-eam.service masked
vmware-firewall.service enabled
vmware-imagebuilder.service masked
vmware-mbcs.service masked
vmware-netdump.service masked
vmware-perfcharts.service masked
vmware-rbd-watchdog.service masked
vmware-rhttpproxy.service masked
vmware-sca.service masked
vmware-sps.service masked
vmware-statsmonitor.service masked
vmware-updatemgr.service masked
vmware-vapi.service masked
vmware-vcha.service masked
vmware-vmon.service masked
vmware-vmonapi.service masked
vmware-vpostgres.service masked
vmware-vpxd-svcs.service masked
vmware-vpxd.service masked
vmware-vsan-health.service masked
vmware-vsm.service masked
vmware-bigsister.timer disabled



You can remove all masked files from the /etc/systemd/system directory (Just #rm vmware*) or you can try this:
# List all disabled services for removal. find /etc/systemd/system/ -lname '/dev/null' -exec ls {} \; # Automatically remove them (or rm each file) find /etc/systemd/system/ -lname '/dev/null' -exec rm {} \; # Relaod systemctl daemon systemctl daemon-reload # Start services or Reboot service-control --start --all
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# List all disabled services for removal.
find /etc/systemd/system/ -lname '/dev/null' -exec ls {} \;

# Automatically remove them (or rm each file)
find /etc/systemd/system/ -lname '/dev/null' -exec rm {} \;

# Relaod systemctl daemon
systemctl daemon-reload

# Start services or Reboot
service-control --start --all



This will be fixed on vCenter 6.5 UPDATE2 so keep you vCenter up-to-date.
  • Regenerating all SSL certificates
Run the certification manger: /usr/lib/vmware-vmca/bin/certificate-manager
Option 3 to regenerate all SSL certificates.
Follow KB How to use vSphere 6.x Certificate Manager (2097936) to do this task:

  • Root password expired
After you set the initial password for the root user, this expires after 365 days by default, make sure to avoid this from happening,
Follow KB Change the Password and Password Expiration Settings of the Root User to change this setting.

  • Restart all services
Yep, that simple, p
service-control –start –all
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service-control –start –all



Hope this works!
  • Duplicate key in PostgreSQL
Make sure to take a snapshot or have a backup before trying this.
root@jorvcsa [/var/log]# grep -r already * | grep device_key UTC 583a9c81.5814 127750 VCDB vc DETAIL: Key (id, device_key)=(361, 3002) already exists.
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root@jorvcsa [/var/log]# grep -r already * | grep device_key
UTC 583a9c81.5814 127750 VCDB vc DETAIL: Key (id, device_key)=(361, 3002) already exists.



To remove the duplicate key run the below command:
root@jorvcsa [/var/log]# /opt/vmware/postgress/current/bin/psql -d VCDB -U postgress VCDB=# DELETE FROM vc.vpx_vm_virtual_device where id='361' and device_key='3002';
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root@jorvcsa [/var/log]# /opt/vmware/postgress/current/bin/psql -d VCDB -U postgress
VCDB=# DELETE FROM vc.vpx_vm_virtual_device where id='361' and device_key='3002';



Save and Exit \q
Hope you enjoy this!


Theo: https://www.jortechnologies.com/trou...ebserver-pipe/


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