@olivierlambert
with HA enabled, if Windows VM will reboot from windows system scheduler - is this ok? Will this affect somehow on VM?

@olivierlambert
what about when system doesn't know that host if offline, but i know for sure that host is down, and i need manual control over starting/copying vm.
why then in those command exists --force, if it's not helping in anyway?

@Danp

Jul 16 21:57:04 white xapi: [debug||1603 ||dummytaskhelper] task scan one D:a22cff56bbd3 created by task D:b3479eff4821
Jul 16 21:57:04 white xapi: [debug||1604 ||dummytaskhelper] task scan one D:8c3a9b520d8e created by task D:b3479eff4821
Jul 16 21:57:04 white xapi: [debug||1605 ||dummytaskhelper] task scan one D:28b5060aad6b created by task D:b3479eff4821
Jul 16 21:57:04 white xapi: [debug||1606 /var/lib/xcp/xapi||dummytaskhelper] task dispatch:session.slave_login D:ebd35a8b12eb created by task D:a22cff56bbd3
Jul 16 21:57:04 white xapi: [debug||1608 /var/lib/xcp/xapi||dummytaskhelper] task dispatch:session.slave_login D:1e68b1a3c796 created by task D:8c3a9b520d8e
Jul 16 21:57:04 white xapi: [debug||1607 /var/lib/xcp/xapi||dummytaskhelper] task dispatch:session.slave_login D:6e422ee40904 created by task D:28b5060aad6b
Jul 16 21:57:04 white xapi: [ info||1608 /var/lib/xcp/xapi|session.slave_login D:3e904e130a78|xapi_session] Session.create trackid=4edfde1a7d5928a08283f775b5bc21f0 pool=true uname= originator=xapi is_local_superuser=true auth_user_sid= parent=trackid=9834f5af41c964e225f24279aefe4e49
Jul 16 21:57:04 white xapi: [ info||1607 /var/lib/xcp/xapi|session.slave_login D:b378e197f827|xapi_session] Session.create trackid=c7a80191d498ec0eaf1fb5decfd45439 pool=true uname= originator=xapi is_local_superuser=true auth_user_sid= parent=trackid=9834f5af41c964e225f24279aefe4e49
Jul 16 21:57:04 white xapi: [ info||1606 /var/lib/xcp/xapi|session.slave_login D:9074b1c527f5|xapi_session] Session.create trackid=97b82963d8a60fcfca9cddefdf556ea4 pool=true uname= originator=xapi is_local_superuser=true auth_user_sid= parent=trackid=9834f5af41c964e225f24279aefe4e49
Jul 16 21:57:04 white xapi: [debug||1609 /var/lib/xcp/xapi||dummytaskhelper] task dispatch:pool.get_all D:6a400dd143e4 created by task D:3e904e130a78
Jul 16 21:57:04 white xapi: [debug||1611 /var/lib/xcp/xapi||dummytaskhelper] task dispatch:pool.get_all D:97b66417986f created by task D:9074b1c527f5
Jul 16 21:57:04 white xapi: [debug||1610 /var/lib/xcp/xapi||dummytaskhelper] task dispatch:pool.get_all D:3a5a8af93835 created by task D:b378e197f827
Jul 16 21:57:04 white xapi: [debug||1612 /var/lib/xcp/xapi||dummytaskhelper] task dispatch:SR.scan D:cd88fa12a6fe created by task D:8c3a9b520d8e
Jul 16 21:57:04 white xapi: [ info||1612 /var/lib/xcp/xapi||taskhelper] task SR.scan R:8d59eef4dce3 (uuid:d54184df-d37e-c802-8373-005de8bbc99e) created (trackid=4edfde1a7d5928a08283f775b5bc21f0) by task D:8c3a9b520d8e
Jul 16 21:57:04 white xapi: [debug||1612 /var/lib/xcp/xapi|SR.scan R:8d59eef4dce3|message_forwarding] SR.scan: SR = 'ca73e958-871e-f723-9987-47c7357ab412 ([green] md126)'
Jul 16 21:57:04 white xapi: [debug||1612 /var/lib/xcp/xapi|SR.scan R:8d59eef4dce3|message_forwarding] Marking SR for SR.scan (task=OpaqueRef:8d59eef4-dce3-44b5-892d-1d328b0e23b5)
Jul 16 21:57:04 white xapi: [debug||1613 /var/lib/xcp/xapi||dummytaskhelper] task dispatch:SR.scan D:26c6618493bd created by task D:28b5060aad6b
Jul 16 21:57:04 white xapi: [debug||1614 /var/lib/xcp/xapi||dummytaskhelper] task dispatch:SR.scan D:a969ebb4b56b created by task D:a22cff56bbd3
Jul 16 21:57:04 white xapi: [debug||1612 /var/lib/xcp/xapi|SR.scan R:8d59eef4dce3|message_forwarding] Unmarking SR after SR.scan (task=OpaqueRef:8d59eef4-dce3-44b5-892d-1d328b0e23b5)
Jul 16 21:57:04 white xapi: [ info||1613 /var/lib/xcp/xapi||taskhelper] task SR.scan R:c1bc8f0ca345 (uuid:08314c1e-25a0-b591-3465-0edb4a51d715) created (trackid=c7a80191d498ec0eaf1fb5decfd45439) by task D:28b5060aad6b
Jul 16 21:57:04 white xapi: [debug||1613 /var/lib/xcp/xapi|SR.scan R:c1bc8f0ca345|message_forwarding] SR.scan: SR = '3002955a-cd78-e0d2-c70e-50444dc5b9a3 ([green] md124 HDD)'
Jul 16 21:57:04 white xapi: [ info||1614 /var/lib/xcp/xapi||taskhelper] task SR.scan R:78836b2f9a5a (uuid:23f823bc-a597-24c2-b906-6b9d632b7565) created (trackid=97b82963d8a60fcfca9cddefdf556ea4) by task D:a22cff56bbd3
Jul 16 21:57:04 white xapi: [debug||1614 /var/lib/xcp/xapi|SR.scan R:78836b2f9a5a|message_forwarding] SR.scan: SR = 'b6ce7cd8-50a0-cdf4-7bc4-59359e34e91e ([green] md125)'
Jul 16 21:57:04 white xapi: [debug||1613 /var/lib/xcp/xapi|SR.scan R:c1bc8f0ca345|message_forwarding] Marking SR for SR.scan (task=OpaqueRef:c1bc8f0c-a345-4e35-adc1-da5552510069)
Jul 16 21:57:04 white xapi: [debug||1614 /var/lib/xcp/xapi|SR.scan R:78836b2f9a5a|message_forwarding] Marking SR for SR.scan (task=OpaqueRef:78836b2f-9a5a-4bdf-8efe-d8f4c4f6994f)
Jul 16 21:57:04 white xapi: [error||1612 /var/lib/xcp/xapi||backtrace] SR.scan R:8d59eef4dce3 failed with exception Server_error(HOST_OFFLINE, [ OpaqueRef:03e275e3-56df-477d-b940-5ba78247ce2f ])
Jul 16 21:57:04 white xapi: [error||1612 /var/lib/xcp/xapi||backtrace] Raised Server_error(HOST_OFFLINE, [ OpaqueRef:03e275e3-56df-477d-b940-5ba78247ce2f ])
Jul 16 21:57:04 white xapi: [error||1612 /var/lib/xcp/xapi||backtrace] 1/9 xapi Raised at file ocaml/xapi/message_forwarding.ml, line 124
Jul 16 21:57:04 white xapi: [error||1612 /var/lib/xcp/xapi||backtrace] 2/9 xapi Called from file ocaml/xapi/message_forwarding.ml, line 160
Jul 16 21:57:04 white xapi: [error||1612 /var/lib/xcp/xapi||backtrace] 3/9 xapi Called from file lib/xapi-stdext-pervasives/pervasiveext.ml, line 24
Jul 16 21:57:04 white xapi: [error||1612 /var/lib/xcp/xapi||backtrace] 4/9 xapi Called from file ocaml/xapi/rbac.ml, line 205
Jul 16 21:57:04 white xapi: [error||1612 /var/lib/xcp/xapi||backtrace] 5/9 xapi Called from file ocaml/xapi/server_helpers.ml, line 95
Jul 16 21:57:04 white xapi: [error||1612 /var/lib/xcp/xapi||backtrace] 6/9 xapi Called from file ocaml/xapi/server_helpers.ml, line 113
Jul 16 21:57:04 white xapi: [error||1612 /var/lib/xcp/xapi||backtrace] 7/9 xapi Called from file lib/xapi-stdext-pervasives/pervasiveext.ml, line 24
Jul 16 21:57:04 white xapi: [error||1612 /var/lib/xcp/xapi||backtrace] 8/9 xapi Called from file lib/xapi-stdext-pervasives/pervasiveext.ml, line 35
Jul 16 21:57:04 white xapi: [error||1612 /var/lib/xcp/xapi||backtrace] 9/9 xapi Called from file lib/backtrace.ml, line 177
Jul 16 21:57:04 white xapi: [error||1612 /var/lib/xcp/xapi||backtrace]
Jul 16 21:57:04 white xapi: [debug||1613 /var/lib/xcp/xapi|SR.scan R:c1bc8f0ca345|message_forwarding] Unmarking SR after SR.scan (task=OpaqueRef:c1bc8f0c-a345-4e35-adc1-da5552510069)
Jul 16 21:57:04 white xapi: [debug||1614 /var/lib/xcp/xapi|SR.scan R:78836b2f9a5a|message_forwarding] Unmarking SR after SR.scan (task=OpaqueRef:78836b2f-9a5a-4bdf-8efe-d8f4c4f6994f)
Jul 16 21:57:04 white xapi: [debug||1604 |scan one D:8c3a9b520d8e|helpers] Ignoring exception: HOST_OFFLINE: [ OpaqueRef:03e275e3-56df-477d-b940-5ba78247ce2f ] while scanning SR OpaqueRef:dd7b4611-8f5a-4f09-8f05-8b982af995ab
Jul 16 21:57:04 white xapi: [debug||1615 /var/lib/xcp/xapi||dummytaskhelper] task dispatch:session.logout D:31680f55f572 created by task D:8c3a9b520d8e
Jul 16 21:57:04 white xapi: [ info||1615 /var/lib/xcp/xapi|session.logout D:f2e32cc368b8|xapi_session] Session.destroy trackid=4edfde1a7d5928a08283f775b5bc21f0
Jul 16 21:57:04 white xapi: [error||1613 /var/lib/xcp/xapi||backtrace] SR.scan R:c1bc8f0ca345 failed with exception Server_error(HOST_OFFLINE, [ OpaqueRef:03e275e3-56df-477d-b940-5ba78247ce2f ])
Jul 16 21:57:04 white xapi: [error||1613 /var/lib/xcp/xapi||backtrace] Raised Server_error(HOST_OFFLINE, [ OpaqueRef:03e275e3-56df-477d-b940-5ba78247ce2f ])
Jul 16 21:57:04 white xapi: [error||1613 /var/lib/xcp/xapi||backtrace] 1/9 xapi Raised at file ocaml/xapi/message_forwarding.ml, line 124
Jul 16 21:57:04 white xapi: [error||1613 /var/lib/xcp/xapi||backtrace] 2/9 xapi Called from file ocaml/xapi/message_forwarding.ml, line 160
Jul 16 21:57:04 white xapi: [error||1613 /var/lib/xcp/xapi||backtrace] 3/9 xapi Called from file lib/xapi-stdext-pervasives/pervasiveext.ml, line 24
Jul 16 21:57:04 white xapi: [error||1613 /var/lib/xcp/xapi||backtrace] 4/9 xapi Called from file ocaml/xapi/rbac.ml, line 205
Jul 16 21:57:04 white xapi: [error||1613 /var/lib/xcp/xapi||backtrace] 5/9 xapi Called from file ocaml/xapi/server_helpers.ml, line 95
Jul 16 21:57:04 white xapi: [error||1613 /var/lib/xcp/xapi||backtrace] 6/9 xapi Called from file ocaml/xapi/server_helpers.ml, line 113
Jul 16 21:57:04 white xapi: [error||1613 /var/lib/xcp/xapi||backtrace] 7/9 xapi Called from file lib/xapi-stdext-pervasives/pervasiveext.ml, line 24
Jul 16 21:57:04 white xapi: [error||1613 /var/lib/xcp/xapi||backtrace] 8/9 xapi Called from file lib/xapi-stdext-pervasives/pervasiveext.ml, line 35
Jul 16 21:57:04 white xapi: [error||1613 /var/lib/xcp/xapi||backtrace] 9/9 xapi Called from file lib/backtrace.ml, line 177
Jul 16 21:57:04 white xapi: [error||1613 /var/lib/xcp/xapi||backtrace]
Jul 16 21:57:04 white xapi: [debug||1604 |scan one D:8c3a9b520d8e|xapi_sr] Scan of SR ca73e958-871e-f723-9987-47c7357ab412 complete.
Jul 16 21:57:04 white xapi: [debug||1605 |scan one D:28b5060aad6b|helpers] Ignoring exception: HOST_OFFLINE: [ OpaqueRef:03e275e3-56df-477d-b940-5ba78247ce2f ] while scanning SR OpaqueRef:7bce81eb-c4cc-4d1a-bb24-406a7789ae95
Jul 16 21:57:04 white xapi: [error||1614 /var/lib/xcp/xapi||backtrace] SR.scan R:78836b2f9a5a failed with exception Server_error(HOST_OFFLINE, [ OpaqueRef:03e275e3-56df-477d-b940-5ba78247ce2f ])
Jul 16 21:57:04 white xapi: [error||1614 /var/lib/xcp/xapi||backtrace] Raised Server_error(HOST_OFFLINE, [ OpaqueRef:03e275e3-56df-477d-b940-5ba78247ce2f ])
Jul 16 21:57:04 white xapi: [debug||1616 /var/lib/xcp/xapi||dummytaskhelper] task dispatch:session.logout D:f0d39db694bb created by task D:28b5060aad6b
Jul 16 21:57:04 white xapi: [error||1614 /var/lib/xcp/xapi||backtrace] 1/9 xapi Raised at file ocaml/xapi/message_forwarding.ml, line 124
Jul 16 21:57:04 white xapi: [error||1614 /var/lib/xcp/xapi||backtrace] 2/9 xapi Called from file ocaml/xapi/message_forwarding.ml, line 160
Jul 16 21:57:04 white xapi: [error||1614 /var/lib/xcp/xapi||backtrace] 3/9 xapi Called from file lib/xapi-stdext-pervasives/pervasiveext.ml, line 24
Jul 16 21:57:04 white xapi: [error||1614 /var/lib/xcp/xapi||backtrace] 4/9 xapi Called from file ocaml/xapi/rbac.ml, line 205
Jul 16 21:57:04 white xapi: [error||1614 /var/lib/xcp/xapi||backtrace] 5/9 xapi Called from file ocaml/xapi/server_helpers.ml, line 95
Jul 16 21:57:04 white xapi: [error||1614 /var/lib/xcp/xapi||backtrace] 6/9 xapi Called from file ocaml/xapi/server_helpers.ml, line 113
Jul 16 21:57:04 white xapi: [error||1614 /var/lib/xcp/xapi||backtrace] 7/9 xapi Called from file lib/xapi-stdext-pervasives/pervasiveext.ml, line 24
Jul 16 21:57:04 white xapi: [error||1614 /var/lib/xcp/xapi||backtrace] 8/9 xapi Called from file lib/xapi-stdext-pervasives/pervasiveext.ml, line 35
Jul 16 21:57:04 white xapi: [error||1614 /var/lib/xcp/xapi||backtrace] 9/9 xapi Called from file lib/backtrace.ml, line 177
Jul 16 21:57:04 white xapi: [error||1614 /var/lib/xcp/xapi||backtrace]
Jul 16 21:57:04 white xapi: [ info||1616 /var/lib/xcp/xapi|session.logout D:5b9f353f5804|xapi_session] Session.destroy trackid=c7a80191d498ec0eaf1fb5decfd45439
Jul 16 21:57:04 white xapi: [debug||1605 |scan one D:28b5060aad6b|xapi_sr] Scan of SR 3002955a-cd78-e0d2-c70e-50444dc5b9a3 complete.
Jul 16 21:57:04 white xapi: [debug||1603 |scan one D:a22cff56bbd3|helpers] Ignoring exception: HOST_OFFLINE: [ OpaqueRef:03e275e3-56df-477d-b940-5ba78247ce2f ] while scanning SR OpaqueRef:440cb488-7c08-45d4-89df-74d84a41d072
Jul 16 21:57:04 white xapi: [debug||1617 /var/lib/xcp/xapi||dummytaskhelper] task dispatch:session.logout D:2e22356b283d created by task D:a22cff56bbd3
Jul 16 21:57:04 white xapi: [ info||1617 /var/lib/xcp/xapi|session.logout D:1c028c7b965d|xapi_session] Session.destroy trackid=97b82963d8a60fcfca9cddefdf556ea4
Jul 16 21:57:04 white xapi: [debug||1603 |scan one D:a22cff56bbd3|xapi_sr] Scan of SR b6ce7cd8-50a0-cdf4-7bc4-59359e34e91e complete.

@olivierlambert
that does nothing on vm that i disconnected and connected vdi:
VDI 2004692e-68ef-464f-b7e5-1258f7fc3f4a is not marked as attached anywhere, nothing to do

on the other vm's that i didn't touch:

[22:57 white ~]# /opt/xensource/sm/resetvdis.py single 9c126ed8-f33e-48f8-8cd4-dd8b165b9e05
Traceback (most recent call last):
  File "/opt/xensource/sm/resetvdis.py", line 170, in <module>
    reset_vdi(session, vdi_uuid, force)
  File "/opt/xensource/sm/resetvdis.py", line 103, in reset_vdi
    {"vdiUuid": vdi_uuid, "srRef": vdi_rec["SR"]})
  File "/usr/lib/python2.7/site-packages/XenAPI.py", line 264, in __call__
    return self.__send(self.__name, args)
  File "/usr/lib/python2.7/site-packages/XenAPI.py", line 160, in xenapi_request
    result = _parse_result(getattr(self, methodname)(*full_params))
  File "/usr/lib/python2.7/site-packages/XenAPI.py", line 238, in _parse_result
    raise Failure(result['ErrorDescription'])
XenAPI.Failure: ['HOST_OFFLINE', 'OpaqueRef:03e275e3-56df-477d-b940-5ba78247ce2f']

pool of 4 hosts
shared storage
1 of the hosts disconnected (not yet know what's wrong with it)

vm's that were running on that host are shown as "running"
via console i shut those vm's with command: xe vm-reset-powerstate vm=ID force=true

starting those vm's get error: SR_BACKEND_FAILURE_46(, The VDI is not available [opterr=['HOST_OFFLINE', 'OpaqueRef:03e275e3-56df-477d-b940-5ba78247ce2f']], )
on one of vm's i used: xe vdi-forget uuid=ID
then rescaned the storage and attached vdi back and if i try to start that vm: xe vm-start vm=ID i get:
The server failed to handle your request, due to an internal error. The given message may give details useful for debugging the problem.
message: xenopsd internal error: Storage_error ([S(Illegal_transition);[[S(Attached);S(RO)];[S(Attached);S(RW)]]])

Try this in every VM's advanced tab in XO

@stormi
what about support for 8.2 and new CPUs like 7900/7950 ?

@Gheppy

I would have done those operation, if i wouldn't loose connection to xcp-ng.
I got only 1 IP address which is dedicated to pfsense, and from there i connect to xcp-ng (LAN side).

@dave-opc

Maybe it's possible to create a delay for autostart VM parameter, like 0 seconds start instantly, 60 seconds - to delay VM autostart.
I guess this will be useful for those who have slow HDDs and lots of VMs starting all at the same time.

@lukasz_s

If your Windows system restarts with no issues, you can try and go to Control Panel - File History - System Image Backup and create a copy of your system. Then create a new VM on 8.2 and Restore it there

Hi all.

I had a continouos replication task, copying VMs from one xcp-ng server to another.
One night during copying some error occured, and the VM was not fully copied to server #2, so it was in kinda "XO importing..." state. Originannly this VM had "Auto power on" enabled on server #1, so upon copying this feature stayed turned on, and when i restarted the xcp-ng server#2 i coudn't gain access to it, because my pfsense VM was unable to start (lack of memory). Somehow this faulty VM was starting before pfsense VM (even though it shouldn't start at all - it's a cont.replication), taking necessary RAM and preventing my pfsense VM to start.
The only way to solve this was via gaining direct access to the server#2 and turning autostart off/deleting the faulty VM.
I guess the autostart attribute is removed after the VM is successfully copied which in my case didn't happen

xcp-ng 8.2, xo-server 5.117.0, xo-web 5.120.0, Xen Orchestra, commit 99147

@olivierlambert
Of course i will try that, but can't install 8.0 on production pc yet. Will wait for 8.0 release.
I just posted this issue, so maybe you or someone will try to do CR 7.6 -> 8.0RC1 and see if the issue still exists.

@olivierlambert
from 7.6 to 8
P.S. just checked. the other way from 8 to 7.6 CR is working fine.
Also copying VM from 7.6 to 8 is working. - problem with CR 7.6 -> 8

Got another issue with RC1:

I got 2 xcp ng servers. 1st at home on 8.0rc1 and 2nd remote on 7.6
When i had at home 7.6 (before upgrade) my continuous replication task in XOA was working fine. Every night copying VM to home server.
After upgrading to 8.0RC1 XOA starts copying. I can see [importing....] in xcp center, but after transfering the file, xoa ends with error
I thought i had a problem with iscsi drive, connected to xcp, but i also tried copying to my main sr (nvme) and got the same error.

kern.log.txt

Kern log file shows that it booted at that time, at least i don't see any errors. (file attached)
It looks like it was just reset and started booting, but i doubt there was an electricity outage, as my xcp is powered by ippon back basic 1050.

@r1
I thought it's obvious if i am asking in 8.0RC1 thread, that i have this verison.

Today i found out, that my xcp was restarted at 3.51AM. There is no crash dump in xcp center. Where do i look to find out what happened?

Is there any possibility to make installer nonGUI?
On my Ryzen 2400G can't load, it boots up, and after choosing installer the screen is just blank. Tried the same image on VM it starts the installer, but with some graphics.

Addon: ok, i changed 8192M to 2048M in grub.cfg and was able to install the system. Everything is working fine. Now, i got a question: i did yum update and system told me that there is a new kernel with newer xcp-ng:

kernel x86_64 4.19.19-5.0.9.xcpng8.0 xcp-ng-base 30 M
xcp-ng-release x86_64 8.0.0-12 xcp-ng-base 15 k
xcp-ng-release-config x86_64 8.0.0-12 xcp-ng-base 350 k
xenserver-firstboot noarch 1.0.11-1.1.xcpng8.0 xcp-ng-base 20 k

After installing and rebooting, it still shows that kernel is 4.19.0 - any idea how to fix? (not sure if xcp-ng itself updated to 8.0.0-12, in xsconsole it shows as 8.0.0)

Got that, thanks.

What about the Debian server VM which didn't start? It's enabled in XOA.

Hi.

Currently running xcp-ng 7.6
I have also xoa running as one of the vm's
Today i restarted the xcp-ng server, and here is how VM's started:

1. XOA VM. autostart=on. Start order=2 (in xcp-ng center). Started 1st
2. FreeNAS VM. autostart=on. Start order=1. Started 2nd
3. PfSense VM. autostart=on. Start order=0. Started 3rd
4. Debian Server VM. autostart=on. Start order=2. Didn't start at all.

As i understand from description, VM's with starting order = 0 should start with priority. In my case it went wrong. And one of the VMs didn't start at all...