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migration: Deprecate block migration

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It is obsolete.  It is better to use driver-mirror with NBD instead.

CC: Kevin Wolf <kwolf@redhat.com>
CC: Eric Blake <eblake@redhat.com>
CC: Stefan Hajnoczi <stefanha@redhat.com>
CC: Hanna Czenczek <hreitz@redhat.com>

Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20231018115513.2163-5-quintela@redhat.com>
This commit is contained in:
Juan Quintela 2023-10-18 13:55:12 +02:00
parent 8846b5bfca
commit 66db46ca83
4 changed files with 45 additions and 6 deletions
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29
qapi/migration.json
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@ -269,11 +269,15 @@
# average memory load of the virtual CPU indirectly. Note that
# zero means guest doesn't dirty memory. (Since 8.1)
#
# Features:
#
# @deprecated: Member @disk is deprecated because block migration is.
#
# Since: 0.14
##
{ 'struct': 'MigrationInfo',
'data': {'*status': 'MigrationStatus', '*ram': 'MigrationStats',
'*disk': 'MigrationStats',
'*disk': { 'type': 'MigrationStats', 'features': [ 'deprecated' ] },
'*vfio': 'VfioStats',
'*xbzrle-cache': 'XBZRLECacheStats',
'*total-time': 'int',
@ -525,6 +529,9 @@
#
# Features:
#
# @deprecated: Member @block is deprecated. Use blockdev-mirror with
# NBD instead.
#
# @unstable: Members @x-colo and @x-ignore-shared are experimental.
#
# Since: 1.2
@ -534,7 +541,8 @@
'compress', 'events', 'postcopy-ram',
{ 'name': 'x-colo', 'features': [ 'unstable' ] },
'release-ram',
'block', 'return-path', 'pause-before-switchover', 'multifd',
{ 'name': 'block', 'features': [ 'deprecated' ] },
'return-path', 'pause-before-switchover', 'multifd',
'dirty-bitmaps', 'postcopy-blocktime', 'late-block-activate',
{ 'name': 'x-ignore-shared', 'features': [ 'unstable' ] },
'validate-uuid', 'background-snapshot',
@ -835,6 +843,9 @@
#
# Features:
#
# @deprecated: Member @block-incremental is deprecated. Use
# blockdev-mirror with NBD instead.
#
# @unstable: Members @x-checkpoint-delay and @x-vcpu-dirty-limit-period
# are experimental.
#
@ -850,7 +861,7 @@
'tls-creds', 'tls-hostname', 'tls-authz', 'max-bandwidth',
'avail-switchover-bandwidth', 'downtime-limit',
{ 'name': 'x-checkpoint-delay', 'features': [ 'unstable' ] },
'block-incremental',
{ 'name': 'block-incremental', 'features': [ 'deprecated' ] },
'multifd-channels',
'xbzrle-cache-size', 'max-postcopy-bandwidth',
'max-cpu-throttle', 'multifd-compression',
@ -1011,6 +1022,9 @@
#
# Features:
#
# @deprecated: Member @block-incremental is deprecated. Use
# blockdev-mirror with NBD instead.
#
# @unstable: Members @x-checkpoint-delay and @x-vcpu-dirty-limit-period
# are experimental.
#
@ -1040,7 +1054,8 @@
'*downtime-limit': 'uint64',
'*x-checkpoint-delay': { 'type': 'uint32',
'features': [ 'unstable' ] },
'*block-incremental': 'bool',
'*block-incremental': { 'type': 'bool',
'features': [ 'deprecated' ] },
'*multifd-channels': 'uint8',
'*xbzrle-cache-size': 'size',
'*max-postcopy-bandwidth': 'size',
@ -1225,6 +1240,9 @@
#
# Features:
#
# @deprecated: Member @block-incremental is deprecated. Use
# blockdev-mirror with NBD instead.
#
# @unstable: Members @x-checkpoint-delay and @x-vcpu-dirty-limit-period
# are experimental.
#
@ -1251,7 +1269,8 @@
'*downtime-limit': 'uint64',
'*x-checkpoint-delay': { 'type': 'uint32',
'features': [ 'unstable' ] },
'*block-incremental': 'bool',
'*block-incremental': { 'type': 'bool',
'features': [ 'deprecated' ] },
'*multifd-channels': 'uint8',
'*xbzrle-cache-size': 'size',
'*max-postcopy-bandwidth': 'size',