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virsh: Document --rdma-pin-all migrate option properly

Browse Source 
https://bugzilla.redhat.com/show_bug.cgi?id=1368351

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
This commit is contained in:
Jiri Denemark 2016-11-22 19:26:45 +01:00
parent 38f7f297c8
commit 29dc9a52d7
2 changed files with 6 additions and 2 deletions
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2
tools/virsh-domain.c
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@ -10022,7 +10022,7 @@ static const vshCmdOptDef opts_migrate[] = {
},
{.name = "rdma-pin-all",
.type = VSH_OT_BOOL,
.help = N_("support memory pinning during RDMA live migration")
.help = N_("pin all memory before starting RDMA live migration")
},
{.name = "abort-on-error",
.type = VSH_OT_BOOL,

6
tools/virsh.pod
View File

@ -1618,7 +1618,7 @@ to the I<uri> namespace is displayed instead of being modified.
=item B<migrate> [I<--live>] [I<--offline>] [I<--direct>] [I<--p2p> [I<--tunnelled>]]
[I<--persistent>] [I<--undefinesource>] [I<--suspend>] [I<--copy-storage-all>]
[I<--copy-storage-inc>] [I<--change-protection>] [I<--unsafe>] [I<--verbose>]
[I<--abort-on-error>] [I<--postcopy>] [I<--postcopy-after-precopy>]
[I<--rdma-pin-all>] [I<--abort-on-error>] [I<--postcopy>] [I<--postcopy-after-precopy>]
I<domain> I<desturi> [I<migrateuri>] [I<graphicsuri>] [I<listen-address>] [I<dname>]
[I<--timeout> B<seconds> [I<--timeout-suspend> | I<--timeout-postcopy>]]
[I<--xml> B<file>] [I<--migrate-disks> B<disk-list>] [I<--disks-port> B<port>]
@ -1662,6 +1662,10 @@ guest CPU throttling rate can be set with I<auto-converge-initial>. If the
initial throttling rate is not enough to ensure convergence, the rate is
periodically increased by I<auto-converge-increment>.
I<--rdma-pin-all> can be used with RDMA migration (i.e., when I<migrateuri>
starts with rdma://) to tell the hypervisor to pin all domain's memory at once
before migration starts rather then letting it pin memory pages as needed.
B<Note>: Individual hypervisors usually do not support all possible types of
migration. For example, QEMU does not support direct migration.