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Differential D28270

Warm Migration feature for bhyve
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Authored by elenamihailescu22_gmail.com on Jan 21 2021, 2:19 PM.
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Details

Reviewers
jhb
Group Reviewers
bhyve
Summary

This patch presents an implementation of the warm migration feature for bhyve. The feature is a wrapper over the save/restore feature and sends the VM's state (memory, kernel structures, emulated devices) from a source host to a destination host over the network.

The features works only for IPv4 guests.

The usage of the feature is detailed here: Virtual Machine Migration using bhyve.

The patch was applied over https://github.com/FreeBSD-UPB/freebsd-src/commit/d26ef5c7ac830812f07a02787f25fed5d6f8609e.

Test Plan

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rG FreeBSD src repository
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Event Timeline

elenamihailescu22_gmail.com created this revision.Jan 21 2021, 2:19 PM
Herald added a reviewer: bhyve. · View Herald TranscriptJan 21 2021, 2:19 PM
Herald added subscribers: bcran, jonathan, rgrimes. · View Herald Transcript
elenamihailescu22_gmail.com requested review of this revision.Jan 21 2021, 2:19 PM
evgueni.gavrilov_itglobal.com added a subscriber: evgueni.gavrilov_itglobal.com.Jan 21 2021, 4:47 PM
afedorov added a subscriber: afedorov.Jan 21 2021, 4:49 PM
emaste added a subscriber: emaste.Jan 21 2021, 9:19 PM
mikael added a subscriber: mikael.Jan 21 2021, 9:38 PM
debdrup added a subscriber: debdrup.Jan 22 2021, 1:48 AM
pi added a subscriber: pi.Jan 25 2021, 11:26 AM
gusev.vitaliy_gmail.com added a subscriber: gusev.vitaliy_gmail.com.Feb 10 2021, 11:30 AM
elenamihailescu22_gmail.com updated this revision to Diff 91554.Jun 30 2021, 9:30 AM
elenamihailescu22_gmail.com edited the summary of this revision. (Show Details)

Rebased the code. The changes were added on top of d26ef5c7ac830812f07a02787f25fed5d6f8609e (from github.com/freebsd/freebsd-src).

elenamihailescu22_gmail.com mentioned this in D30954: Live Migration feature for bhyve.Jun 30 2021, 10:31 AM
kalle.carlbark_freebsd_kcbark.net added a subscriber: kalle.carlbark_freebsd_kcbark.net.Jul 3 2021, 2:12 PM
mihaiburcea15_gmail.com added a subscriber: mihaiburcea15_gmail.com.Dec 14 2021, 9:51 AM
Herald added a subscriber: imp. · View Herald TranscriptDec 14 2021, 9:51 AM
mihaiburcea15_gmail.com mentioned this in D34717: Warm Migration feature for bhyve [Part 1].Apr 7 2022, 5:37 AM
darius.mihaim_gmail.com mentioned this in D34718: Warm Migration feature for bhyve [Part 2].Jun 20 2023, 5:04 PM
patmaddox added a subscriber: patmaddox.Jul 29 2023, 5:24 AM

Revision Contents
Changeset List

PathSize
lib/
libvmmapi/
1 line
sys/
amd64/
conf/
3 lines
usr.sbin/
bhyve/
1 line
35 lines
88 lines
1044 lines
20 lines
41 lines
bhyvectl/
53 lines

Diff 91554

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lib/libvmmapi/vmmapi.h

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sys/amd64/conf/GENERIC

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usr.sbin/bhyve/Makefile

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usr.sbin/bhyve/bhyverun.c

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usr.sbin/bhyve/migration.h

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usr.sbin/bhyve/migration.c

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usr.sbin/bhyve/snapshot.h

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usr.sbin/bhyve/snapshot.c

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usr.sbin/bhyvectl/bhyvectl.c

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