[libvirt] [PATCH 3/3] virsh: Add options for parallel migration

Signed-off-by: Jiri Denemark <jdenemar(a)redhat.com&gt; --- tools/virsh-domain.c | 19 +++++++++++++++++++ tools/virsh.pod | 7 +++++++ 2 files changed, 26 insertions(+) diff --git a/tools/virsh-domain.c b/tools/virsh-domain.c index db0d5d4dcc..94cade5757 100644 --- a/tools/virsh-domain.c +++ b/tools/virsh-domain.c @@ -10561,6 +10561,14 @@ static const vshCmdOptDef opts_migrate[] = { .type = VSH_OT_INT, .help = N_("post-copy migration bandwidth limit in MiB/s") }, + {.name = "parallel", + .type = VSH_OT_BOOL, + .help = N_("enable parallel migration") + }, + {.name = "parallel-connections", + .type = VSH_OT_INT, + .help = N_("number of connections for parallel migration") + }, {.name = NULL} }; @@ -10766,6 +10774,14 @@ doMigrate(void *opaque) goto save_error; } + if (vshCommandOptInt(ctl, cmd, "parallel-connections", &intOpt) < 0) + goto out; + if (intOpt && + virTypedParamsAddInt(&params, &nparams, &maxparams, + VIR_MIGRATE_PARAM_PARALLEL_CONNECTIONS, + intOpt) < 0) + goto save_error; + if (vshCommandOptBool(cmd, "live")) flags |= VIR_MIGRATE_LIVE; if (vshCommandOptBool(cmd, "p2p")) @@ -10814,6 +10830,9 @@ doMigrate(void *opaque) if (vshCommandOptBool(cmd, "tls")) flags |= VIR_MIGRATE_TLS; + if (vshCommandOptBool(cmd, "parallel")) + flags |= VIR_MIGRATE_PARALLEL; + if (flags & VIR_MIGRATE_PEER2PEER || vshCommandOptBool(cmd, "direct")) { if (virDomainMigrateToURI3(dom, desturi, params, nparams, flags) == 0) ret = '0'; diff --git a/tools/virsh.pod b/tools/virsh.pod index 67edb57b14..7604c7536e 100644 --- a/tools/virsh.pod +++ b/tools/virsh.pod @@ -1904,6 +1904,7 @@ I<domain> I<desturi> [I<migrateuri>] [I<graphicsuri>] [I<listen-address>] [I<dna [I<--comp-xbzrle-cache>] [I<--auto-converge>] [I<auto-converge-initial>] [I<auto-converge-increment>] [I<--persistent-xml> B<file>] [I<--tls>] [I<--postcopy-bandwidth> B<bandwidth>] +[I<--parallel> [I<parallel-connections> B<connections>]] Migrate domain to another host. Add I<--live> for live migration; <--p2p> for peer-2-peer migration; I<--direct> for direct migration; or I<--tunnelled> @@ -1997,6 +1998,12 @@ Providing I<--tls> causes the migration to use the host configured TLS setup the migration of the domain. Usage requires proper TLS setup for both source and target. +I<--parallel> option will cause migration data to be sent over multiple +parallel connections. The number of such connections can be set using +I<parallel-connections>. Parallel connections may help with saturating the +network link between the source and the target and thus speeding up the +migration. + Running migration can be canceled by interrupting virsh (usually using C<Ctrl-C>) or by B<domjobabort> command sent from another virsh instance. -- 2.20.1