NuKVM/libvirt
3
0
Fork 0
mirror of https://github.com/libvirt/libvirt.git synced 2025-02-25 18:55:26 -06:00
Code Issues Packages Projects Releases Wiki Activity

qemu: add separate rerror_policy for disk errors

Browse Source 
Previously libvirt's disk device XML only had a single attribute,
error_policy, to control both read and write error policy, but qemu
has separate options for controlling read and write. In one case
(enospc) a policy is allowed for write errors but not read errors.

This patch adds a separate attribute that sets only the read error
policy. If just error_policy is set, it will apply to both read and
write error policy (previous behavior), but if the new rerror_policy
attribute is set, it will override error_policy for read errors only.
Possible values for rerror_policy are "stop", "report", and "ignore"
("report" is the qemu-controlled default for rerror_policy when
error_policy isn't specified).

For consistency, the value "report" has been added to the possible
values for error_policy as well.
This commit is contained in:
Laine Stump
2011-10-04 14:17:06 -04:00
parent 91195b4321
commit 4bb4109f7b
9 changed files with 105 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
tests/qemuargv2xmltest.c
View File

@@ -165,6 +165,7 @@ mymain(void)
DO_TEST("disk-drive-cache-v1-none");
DO_TEST("disk-drive-error-policy-stop");
DO_TEST("disk-drive-error-policy-enospace");
DO_TEST("disk-drive-error-policy-wreport-rignore");
DO_TEST("disk-drive-cache-v2-wt");
DO_TEST("disk-drive-cache-v2-wb");
DO_TEST("disk-drive-cache-v2-none");

6
tests/qemuxml2argvdata/qemuxml2argv-disk-drive-error-policy-wreport-rignore.args Normal file
View File

@@ -0,0 +1,6 @@
LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M \
pc -m 214 -smp 1 -nographic -monitor unix:/tmp/test-monitor,server,nowait \
-no-acpi -boot c -drive file=/dev/HostVG/QEMUGuest1,if=ide,bus=0,unit=0,\
format=qcow2,cache=off,werror=report,rerror=ignore -drive \
file=/dev/HostVG/QEMUGuest2,if=ide,media=cdrom,bus=1,unit=0,format=raw -net \
none -serial none -parallel none -usb

33
tests/qemuxml2argvdata/qemuxml2argv-disk-drive-error-policy-wreport-rignore.xml Normal file
View File

@@ -0,0 +1,33 @@
<domain type='qemu'>
<name>QEMUGuest1</name>
<uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
<memory>219136</memory>
<currentMemory>219136</currentMemory>
<vcpu>1</vcpu>
<os>
<type arch='i686' machine='pc'>hvm</type>
<boot dev='hd'/>
</os>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>destroy</on_crash>
<devices>
<emulator>/usr/bin/qemu</emulator>
<disk type='block' device='disk'>
<driver name='qemu' type='qcow2' cache='none' error_policy='report' rerror_policy='ignore'/>
<source dev='/dev/HostVG/QEMUGuest1'/>
<target dev='hda' bus='ide'/>
<address type='drive' controller='0' bus='0' unit='0'/>
</disk>
<disk type='block' device='cdrom'>
<driver name='qemu' type='raw'/>
<source dev='/dev/HostVG/QEMUGuest2'/>
<target dev='hdc' bus='ide'/>
<readonly/>
<address type='drive' controller='0' bus='1' unit='0'/>
</disk>
<controller type='ide' index='0'/>
<memballoon model='virtio'/>
</devices>
</domain>

2
tests/qemuxml2argvtest.c
View File

@@ -334,6 +334,8 @@ mymain(void)
QEMU_CAPS_DRIVE, QEMU_CAPS_MONITOR_JSON, QEMU_CAPS_DRIVE_FORMAT);
DO_TEST("disk-drive-error-policy-enospace", false,
QEMU_CAPS_DRIVE, QEMU_CAPS_MONITOR_JSON, QEMU_CAPS_DRIVE_FORMAT);
DO_TEST("disk-drive-error-policy-wreport-rignore", false,
QEMU_CAPS_DRIVE, QEMU_CAPS_MONITOR_JSON, QEMU_CAPS_DRIVE_FORMAT);
DO_TEST("disk-drive-cache-v2-wt", false,
QEMU_CAPS_DRIVE, QEMU_CAPS_DRIVE_CACHE_V2, QEMU_CAPS_DRIVE_FORMAT);
DO_TEST("disk-drive-cache-v2-wb", false,