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virsh: Document subdriver option of attach-disk

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Jiri Denemark 2012-08-30 17:51:35 +02:00
parent 774eb45be6
commit eac1ab053c
1 changed files with 9 additions and 3 deletions
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tools/virsh.pod
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@ -1675,9 +1675,15 @@ I<source> is path for the files and devices. I<target> controls the bus or
device under which the disk is exposed to the guest OS. It indicates the device under which the disk is exposed to the guest OS. It indicates the
"logical" device name. I<driver> can be I<file>, I<tap> or I<phy> for the Xen "logical" device name. I<driver> can be I<file>, I<tap> or I<phy> for the Xen
hypervisor depending on the kind of access; or I<qemu> for the QEMU emulator. hypervisor depending on the kind of access; or I<qemu> for the QEMU emulator.
I<type> can indicate I<lun>, I<cdrom> or I<floppy> as alternative to the disk default, Further details to the driver can be passed using I<subdriver>. For Xen
although this use only replaces the media within the existing virtual cdrom or I<subdriver> can be I<aio>, while for QEMU subdriver should match the format
floppy device; consider using B<update-device> for this usage instead. of the disk source, such as I<raw> or I<qcow2>. Hypervisor default will be
used if I<subdriver> is not specified. However, the default may not be
correct, esp. for QEMU as for security reasons it is configured not to detect
disk formats. I<type> can indicate I<lun>, I<cdrom> or I<floppy> as
alternative to the disk default, although this use only replaces the media
within the existing virtual cdrom or floppy device; consider using
B<update-device> for this usage instead.
I<mode> can specify the two specific mode I<readonly> or I<shareable>. I<mode> can specify the two specific mode I<readonly> or I<shareable>.
I<--config> indicates the changes will affect the next boot of the domain, I<--config> indicates the changes will affect the next boot of the domain,
for compatibility purposes, I<--persistent> is alias of I<--config>. for compatibility purposes, I<--persistent> is alias of I<--config>.