diff --git a/references/virtual-disk-cache-modes.xml b/references/virtual-disk-cache-modes.xml
index 1c70c1f62..ef4e250e4 100644
--- a/references/virtual-disk-cache-modes.xml
+++ b/references/virtual-disk-cache-modes.xml
@@ -87,12 +87,7 @@
guests are ignored. Using this mode implies that the user prioritizes performance gain
over data security.
-
-
- Using the unsafe mode can cause data loss in case of a host
- failure. Do not use this mode for production workloads.
-
-
+
@@ -123,7 +118,7 @@
This mode informs the guest of the presence of a write cache, and it relies on the
guest to send flush commands as needed to maintain data integrity within its disk
- image.
+ image.
@@ -139,8 +134,9 @@
This mode is similar to writeback caching, except the guest flush
- commands are ignored. This means a higher risk of data loss due to host failure.
+ commands are ignored.
+
@@ -159,16 +155,23 @@
factors. If the guest storage is hosted on a clustered file system, is read-only, or is
marked shareable, then the cache mode is ignored when determining if migration can be
allowed. Otherwise, &libvirt; does not allow migration unless the cache mode is set to
- none. However, this restriction can be overridden with the
- option to the migration APIs, which is also supported by
- virsh. For example:
+ none.
+
+
+ If you need to do a live migration with a different cache mode than
+ none, use the option, for example:
+ &prompt.user;virsh migrate --live --unsafe
+
+ Be aware that this option may cause loss of data that the migrated VM is caching.
+
+
- The cache mode none is required for the AIO mode setting
- native. If another cache mode is used, the AIO mode is silently switched
- back to the default threads.
+ When using the native asynchronous I/O mode (AIO) in &libvirt;, the
+ cache mode none is required. Using a different caching mode switches the
+ AIO mode back to the default threads.
diff --git a/tasks/virtual-disk-cache-mode-configure-using-virsh.xml b/tasks/virtual-disk-cache-mode-configure-using-virsh.xml
index 9f45f8e8b..781534893 100644
--- a/tasks/virtual-disk-cache-mode-configure-using-virsh.xml
+++ b/tasks/virtual-disk-cache-mode-configure-using-virsh.xml
@@ -41,7 +41,7 @@ Id Name State
&prompt.sudo;virsh domblklist sle15sp5
Target Source
------------------------------------------
-vda /home/tbazant/virt/sle15.qcow2
+vda /home/example-user/virt/sle15.qcow2
sda -
@@ -57,7 +57,7 @@ sda -
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2' cache='writethrough'/>
- <source file='/home/tbazant/virt/sle15.qcow2'/>
+ <source file='/home/example-user/virt/sle15.qcow2'/>
<target dev='vda' bus='virtio'/>
<address type='pci' domain='0x0000' bus='0x04' slot='0x00' function='0x0'/>
</disk>
@@ -77,11 +77,6 @@ sda -
&prompt.sudo;sudo virsh define virt/sle15sp5.xml
Domain 'sle15sp5' defined from virt/sle15sp5.xml
-
-
- You may have to restart a running VM for the changes to take effect.
-
-
diff --git a/tasks/virtual-disk-cache-mode-configure-using-vmm.xml b/tasks/virtual-disk-cache-mode-configure-using-vmm.xml
index 49b9e4e10..f69df99d9 100644
--- a/tasks/virtual-disk-cache-mode-configure-using-vmm.xml
+++ b/tasks/virtual-disk-cache-mode-configure-using-vmm.xml
@@ -54,11 +54,6 @@
Confirm with Apply.
-
-
- You may have to restart a running VM for the changes to take effect.
-
-