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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:07 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:17 +0200 |
| commit | 9260319e7411ff8281700a532caa436f40120ec4 (patch) | |
| tree | 2f6bfe5f3458dd49d328d3a9eb508595450adec0 /gitlab/issues/target_missing/host_missing/accel_missing/1646.toml | |
| parent | 225caa38269323af1bfc2daadff5ec8bd930747f (diff) | |
| download | qemu-analysis-9260319e7411ff8281700a532caa436f40120ec4.tar.gz qemu-analysis-9260319e7411ff8281700a532caa436f40120ec4.zip | |
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Diffstat (limited to 'gitlab/issues/target_missing/host_missing/accel_missing/1646.toml')
| -rw-r--r-- | gitlab/issues/target_missing/host_missing/accel_missing/1646.toml | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/gitlab/issues/target_missing/host_missing/accel_missing/1646.toml b/gitlab/issues/target_missing/host_missing/accel_missing/1646.toml deleted file mode 100644 index 4ddae6dfb..000000000 --- a/gitlab/issues/target_missing/host_missing/accel_missing/1646.toml +++ /dev/null @@ -1,73 +0,0 @@ -id = 1646 -title = "fstrim dont work after live migrate" -state = "opened" -created_at = "2023-05-04T12:00:22.113Z" -closed_at = "n/a" -labels = [] -url = "https://gitlab.com/qemu-project/qemu/-/issues/1646" -host-os = "n/a" -host-arch = "n/a" -qemu-version = "n/a" -guest-os = "n/a" -guest-arch = "n/a" -description = """We have use lvm thin pool and after live migration non-shared storage fstrim cannot free data usage Data% without reboot, after reboot fstim work fine - -``` - LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert - p639937 vm Vwi-aotz-- 30.00g pool 99.35 - -virsh qemu-agent-command p639937 '{"execute":"guest-fstrim"}' -{"return":{"paths":[{"minimum":0,"path":"/","trimmed":0}]}} - -virsh shutdown p639937 -Domain 'p639937' is being shutdown - -virsh start p639937 -Domain 'p639937' started - -virsh qemu-agent-command p639937 '{"execute":"guest-fstrim"}' -{"return":{"paths":[{"minimum":0,"path":"/","trimmed":29178654720}]}} - -lvs|grep p639937 - p639937 vm Vwi-aotz-- 30.00g pool 9.58 -``` - -On source host before migration: -``` - LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert - p639937 vm Vwi-a-tz-- 30.00g pool 9.48 -``` - -migration script -``` -SSH_OPTS='-o StrictHostKeyChecking=no -o PasswordAuthentication=no ' -MIGR_OPTS="--live --copy-storage-all --verbose --persistent --undefinesource" -ssh $SSH_OPTS $HOST -t "[ -b /dev/vm/$ACCT ] || /usr/sbin/lvcreate -V${SIZE}G -T vm/pool -n$ACCT" || f_print_err "Error: creation lvm" -virsh migrate $MIGR_OPTS $ACCT qemu+ssh://$SERV/system tcp://local.$SERV/ || f_print_err "Error on step: virsh migrate" -echo "Waiting for trim start..." -sleep 10 -ssh $SSH_OPTS $HOST -t "/usr/bin/virsh qemu-agent-command $ACCT --timeout 60 '{\\"execute\\":\\"guest-fstrim\\"}' >/dev/null 2>&1" -``` - -Disc config: -``` - <disk type='block' device='disk'> - <driver name='qemu' type='raw' cache='none' io='threads' discard='unmap'/> - <source dev='/dev/vm/p639937'/> - <backingStore/> - <target dev='sda' bus='scsi'/> - <iotune> - <write_bytes_sec>104857600</write_bytes_sec> - <write_bytes_sec_max>524288000</write_bytes_sec_max> - <write_bytes_sec_max_length>120</write_bytes_sec_max_length> - </iotune> - <address type='drive' controller='0' bus='0' target='0' unit='0'/> - </disk> -``` - -Sometimes trimming working after migration, bit this is very rare. -We have try rescanning disc, drop caches on vm after migration, but didnt help. - -Inside vm's ext4 fs and almalinux 8/ubuntu 20+/debian 10-11""" -reproduce = "n/a" -additional = "n/a" |