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in addition to printing it. preparation for remote cluster migration,
where we want to return this in a structured fashion over the migration
tunnel instead of parsing stdout via SSH.
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
into one sub that retrieves the local disks, and the actual NBD
allocation. that way, remote incoming migration can just call the NBD
allocation with a custom list of volume names/storages/..
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
both where previously missing. the existing 'check_storage_access'
helper is not applicable here since it operates on a full set of VM
config options, not just storage IDs.
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
the syntax is backwards compatible, providing a single storage ID or '1'
works like before. the new helper ensures consistent behaviour at all
call sites.
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
485449e37 ("qmp: use migrate-set-parameters in favor of deprecated options")
changed the initial "migrate_set_downtime" QMP call to the more recent
"migrate-set-parameters", but forgot to do so for the auto-increase code
further below.
Since the units of the two calls don't match, this would have caused the
auto-increase to increase the limit to absurd levels as soon as it kicked
in (ms treated as s).
Update the second call to the new version as well, and while at it remove
the unnecessary "defined()" check for $migrate_downtime, which is always
initialized from the defaults anyway.
Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
as preparation of targetstorage mapping and remote migration. this also
removes re-using of the $local_volumes hash in the original code.
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
to start breaking up vm_start before extending parts for new migration
features like storage and network mapping.
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
as preparation for refactoring it further. remote migration will add
another 1-2 parameters, and it is already unwieldly enough as it is.
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
to also handle cases where disk allocation failed in the remote
vm_start, and we only have a bitmap but no target drive information.
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
on storages where the minimum size of images is bigger than the real
OVMF_VARS.fd file, they get padded to their minimum size
when using such an image, qemu maps it fully to the vm, but the efi
does not find the vars region and creates a file on the first efi
partition it finds
this breaks some settings in the ovmf, such as resolution
to fix this, we have to specify the size for the pflash, so that
qemu only maps the first n bytes in the vm (this only works for
raw files, not for qcow2)
we also have to use the correct size when converting between storages
in 'clone_disk' (used for move disk and cloning vms) and when
live migrating to different storages
when we now expect that the source image is always correctly used/created
(e.g. raw with size=x in pflash argument) then we always create the
target correctly
when encountering users which have a non-valid image (e.g. a efidisk
moved from zfs to qcow2 before this patch), we have to tell them to
recreate the efidisk and the settings on it
we have to version_guard it to 4.1+pve2 (since we haven't bumped yet
since the change to pve2)
also add 2 tests, one for the old version and one for the new
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
Tested-by: Stefan Reiter <s.reiter@proxmox.com>
Reviewed-by: Stefan Reiter <s.reiter@proxmox.com>
[ Thomas: rebased to master ]
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
since bitmaps are set early on, and 'qm start' potentially has allocated
the disks but still failed. we can only clean up what we know about
anyway, so the disk part is still only best effort.
also use replicated_volumes instead of bitmap existence to check for
replicated volumes, since 'qm start' on an old node that does not
understand replicated volumes might have allocated a new volume that we
DO want to clean up, and not skip.
also cleanup disks after stopping target VM, otherwise we might end up
in a situation where the target VM is still running and using the disks,
thus blocking the disk cleanup.
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
by only checking for replicatable volumes when a replication job is
defined, and passing only actually replicated volumes to the target node
via STDIN, and back via STDOUT.
otherwise this can pick up theoretically replicatable, but not actually
replicated volumes and treat them wrong.
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
fixes commit 0b2f574b4ccd68ba7c1ebf1927beeff33cca179d
enforce_vm_running_for_backup is now witout return value, for the PBS
I forgot to remove an now outdated call to handle_vm_powerstate, drop
that.
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
$cpu_fmt is being reused for custom CPUs as well as VM-specific CPU
settings. The "pve-vm-cpu-conf" format is introduced to verify a config
specifically for use as VM-specific settings.
"pve-cpu-conf" is registered for use in custom CPU API calls (where no
additional checks are required).
Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
Turn CPUConfig into a SectionConfig with parsing/writing support for
custom CPU models. IO is handled using cfs.
Namespacing will be provided using "custom-" prefix for custom model
names (in VM config only, cpu-models.conf will contain unprefixed
names).
Includes two overrides to avoid writing redundant information to the
config file, additionally get_custom_model is used to retrieve a custom
model configuration by name.
Resolve custom names in print_cpu_device when a custom cpu is passed.
Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
There is a need to set $noerr, because otherwise migration for a
VM with a non-replicatable volume fails with:
missing replicate feature on volume 'myfs:107/vm-107-disk-2.raw'
Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
as we need at least pve-qemu in 4.2 for this to work, the target side
is implicitly checked with "to old version" check for migrate or the
mirror will fail anyway.
Just use the simple "qemu binary version check", as we could stil
live migrate an older snapshot with older machine versions if both
sides have a recent enough qemu.
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
with incremental drive-mirror and dirty-bitmap tracking.
1.) get replicated disks that are currently referenced by running VM
2.) add a block-dirty-bitmap to each of them
3.) replicate ALL replicated disks
4.) pass bitmaps from 2) to drive-mirror for disks from 1)
5.) skip replicated disks when cleaning up volumes on either source or
target
added error handling is just removing the bitmaps if an error occurs at
any point after 2, except when the handover to the target node has
already happened, since the bitmaps are cleaned up together with the
source VM in that case.
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
Tested-by: Stefan Reiter <s.reiter@proxmox.com>
to make migration logs a bit easier to grasp with a quick glance.
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
Tested-by: Stefan Reiter <s.reiter@proxmox.com>
by re-using a dirty bitmap that represents changes since the divergence
of source and target volume. requires a qemu that supports incremental
drive-mirroring, and will die otherwise.
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
Tested-by: Stefan Reiter <s.reiter@proxmox.com>
Moved code so that initialization of drivedesc_hash stays a single block.
Avoid auto-vivication in parse_drive.
Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
E.g.: If a feature requires 4.1+pveN and we're using machine version 4.2
we don't need to increase the pve version to N (4.2+pve0 is enough).
We check this by doing a min_version call against a non-existant higher
pve-version for the major/minor tuple we want to test for, which can
only work if the major/minor alone is high enough.
Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
Clarify why a cancel is actually not really canceling here, because
we're already finished with storage migration and the block jobs are
all in ready state and we (source) are going to stop soon to hand
over to target.
> Note that if you issue 'block-job-cancel' after 'drive-mirror' has
> indicated (via the event BLOCK_JOB_READY) that the source and
> destination are synchronized, then the event triggered by this
> command changes to BLOCK_JOB_COMPLETED, to indicate that the
> mirroring has ended and the destination now has a point-in-time
> copy tied to the time of the cancellation
-- qapi/block-core.json (QEMU 4.2)
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
The change to the prefixed version broke migration from new to old
qemu-server version. This reverts the change and adds a TODO comment for
7.0 to change it to the prefixed version then.
Signed-off-by: Mira Limbeck <m.limbeck@proxmox.com>
...instead of booting with an invalid config once and then silently
changing the memory size for consequent VM starts.
Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
Tested-by: Alwin Antreich <a.antreich@proxmox.com>
This cannot work, since we adjust the 'memory' property of the VM config
on hotplugging, but then the user-defined NUMA topology won't match for
the next start attempt.
Check needs to happen here, since it otherwise fails early with "total
memory for NUMA nodes must be equal to vm static memory".
With this change the error message reflects what is actually happening
and doesn't allow VMs with exactly 1GB of RAM either.
Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
Tested-by: Alwin Antreich <a.antreich@proxmox.com>
