lxc export container.lxd init again to add a ZFS storage pool (was using dir).But I run into this issue:
stanislas@xps ~> lxc import backup.tar.gz
Error: not found
What did I do wrong?
Thanks
Hmm, that’s a pretty unfortunate error 
Can you show lxc import backup.tar.gz --debug?
Off the top of my head, my guess would be that a profile or storage pool mentioned in the backup is missing, but it may be something else entirely…
Oh, my dir pool was named default, and this one is named zpool-lxd.
Here it is:
stanislas@xps-sla ~> lxc import backup.tar.gz --debug
DBUG[01-29|17:38:05] Connecting to a local LXD over a Unix socket
DBUG[01-29|17:38:05] Sending request to LXD method=GET url=http://unix.socket/1.0 etag=
DBUG[01-29|17:38:09] Got response struct from LXD
DBUG[01-29|17:38:09]
{
"config": {},
"api_extensions": [
"storage_zfs_remove_snapshots",
"container_host_shutdown_timeout",
"container_stop_priority",
"container_syscall_filtering",
"auth_pki",
"container_last_used_at",
"etag",
"patch",
"usb_devices",
"https_allowed_credentials",
"image_compression_algorithm",
"directory_manipulation",
"container_cpu_time",
"storage_zfs_use_refquota",
"storage_lvm_mount_options",
"network",
"profile_usedby",
"container_push",
"container_exec_recording",
"certificate_update",
"container_exec_signal_handling",
"gpu_devices",
"container_image_properties",
"migration_progress",
"id_map",
"network_firewall_filtering",
"network_routes",
"storage",
"file_delete",
"file_append",
"network_dhcp_expiry",
"storage_lvm_vg_rename",
"storage_lvm_thinpool_rename",
"network_vlan",
"image_create_aliases",
"container_stateless_copy",
"container_only_migration",
"storage_zfs_clone_copy",
"unix_device_rename",
"storage_lvm_use_thinpool",
"storage_rsync_bwlimit",
"network_vxlan_interface",
"storage_btrfs_mount_options",
"entity_description",
"image_force_refresh",
"storage_lvm_lv_resizing",
"id_map_base",
"file_symlinks",
"container_push_target",
"network_vlan_physical",
"storage_images_delete",
"container_edit_metadata",
"container_snapshot_stateful_migration",
"storage_driver_ceph",
"storage_ceph_user_name",
"resource_limits",
"storage_volatile_initial_source",
"storage_ceph_force_osd_reuse",
"storage_block_filesystem_btrfs",
"resources",
"kernel_limits",
"storage_api_volume_rename",
"macaroon_authentication",
"network_sriov",
"console",
"restrict_devlxd",
"migration_pre_copy",
"infiniband",
"maas_network",
"devlxd_events",
"proxy",
"network_dhcp_gateway",
"file_get_symlink",
"network_leases",
"unix_device_hotplug",
"storage_api_local_volume_handling",
"operation_description",
"clustering",
"event_lifecycle",
"storage_api_remote_volume_handling",
"nvidia_runtime",
"container_mount_propagation",
"container_backup",
"devlxd_images",
"container_local_cross_pool_handling",
"proxy_unix",
"proxy_udp",
"clustering_join",
"proxy_tcp_udp_multi_port_handling",
"network_state",
"proxy_unix_dac_properties",
"container_protection_delete",
"unix_priv_drop",
"pprof_http",
"proxy_haproxy_protocol",
"network_hwaddr",
"proxy_nat",
"network_nat_order",
"container_full",
"candid_authentication",
"backup_compression",
"candid_config",
"nvidia_runtime_config",
"storage_api_volume_snapshots",
"storage_unmapped",
"projects",
"candid_config_key",
"network_vxlan_ttl",
"container_incremental_copy",
"usb_optional_vendorid",
"snapshot_scheduling",
"container_copy_project",
"clustering_server_address",
"clustering_image_replication",
"container_protection_shift"
],
"api_status": "stable",
"api_version": "1.0",
"auth": "trusted",
"public": false,
"auth_methods": [
"tls"
],
"environment": {
"addresses": [],
"architectures": [
"x86_64",
"i686"
],
"certificate": "-----BEGIN CERTIFICATE-----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\noK5IuQFWD4EElgEnXw==\n-----END CERTIFICATE-----\n",
"certificate_fingerprint": "d7a1d306eca0421e7614a3393db4ea8050d50b4f99b1354b39b32193929aba10",
"driver": "lxc",
"driver_version": "3.1.0",
"kernel": "Linux",
"kernel_architecture": "x86_64",
"kernel_version": "4.20.4-arch1-1-ARCH",
"server": "lxd",
"server_pid": 18319,
"server_version": "3.9",
"storage": "zfs",
"storage_version": "0.7.12-1",
"server_clustered": false,
"server_name": "xps-sla",
"project": "default"
}
}
DBUG[01-29|17:38:09] Connected to the websocket
DBUG[01-29|17:38:09] Sending request to LXD method=POST url=http://unix.socket/1.0/containers etag=
Importing container: 100% (866.34MB/s)DBUG[01-29|17:38:14] Got operation from LXD
DBUG[01-29|17:38:14]
{
"id": "884b1ac4-6913-40b6-a432-397ef198279a",
"class": "task",
"description": "Restoring backup",
"created_at": "2019-01-29T17:38:14.379586205+01:00",
"updated_at": "2019-01-29T17:38:14.379586205+01:00",
"status": "Running",
"status_code": 103,
"resources": {
"containers": [
"/1.0/containers/myct"
]
},
"metadata": null,
"may_cancel": false,
"err": ""
}
DBUG[01-29|17:38:14] Sending request to LXD method=GET url=http://unix.socket/1.0/operations/884b1ac4-6913-40b6-a432-397ef198279a etag=
DBUG[01-29|17:38:14] Got response struct from LXD
DBUG[01-29|17:38:14]
{
"id": "884b1ac4-6913-40b6-a432-397ef198279a",
"class": "task",
"description": "Restoring backup",
"created_at": "2019-01-29T17:38:14.379586205+01:00",
"updated_at": "2019-01-29T17:38:14.379586205+01:00",
"status": "Running",
"status_code": 103,
"resources": {
"containers": [
"/1.0/containers/myct"
]
},
"metadata": null,
"may_cancel": false,
"err": ""
}
Error: not found
Btw, this container is not important, but maybe someone will run into the same error as I did 
Can you go inside that tarball and get the .yaml files that are directly inside it?
That may give us a clue as to what’s causing the error.
Makes sense:
stanislas@xps-sla ~> cat index.yaml
project: ""
name: myct
backend: dir
privileged: false
pool: default
I will try importing the backup with the new pool name.
Doesn’t work:
stanislas@xps-sla ~> lxc import backup.tar.gz
Error: Internal import request: The storage pool "default" the container was detected on does not match the storage pool "zpool-lxd" specified in the backup file
Can you find the backup.yaml file in the tarball? should be under container/
Yes:
container:
architecture: x86_64
config:
image.architecture: amd64
image.description: Debian stretch amd64 (20190123_05:25)
image.os: Debian
image.release: stretch
image.serial: "20190123_05:25"
volatile.base_image: a17e9d4577503b2b553b0b85814f4b5b7b70851cb2ad921acf160ef060ac1f56
volatile.eth0.hwaddr: 00:16:3e:0f:12:fd
volatile.idmap.base: "0"
volatile.idmap.next: '[{"Isuid":true,"Isgid":true,"Hostid":1000000,"Nsid":0,"Maprange":1000000000}]'
volatile.last_state.idmap: '[{"Isuid":true,"Isgid":true,"Hostid":1000000,"Nsid":0,"Maprange":1000000000}]'
volatile.last_state.power: RUNNING
devices: {}
ephemeral: false
profiles:
- default
stateful: false
description: ""
created_at: 2019-01-28T15:04:58.485777318+01:00
expanded_config:
image.architecture: amd64
image.description: Debian stretch amd64 (20190123_05:25)
image.os: Debian
image.release: stretch
image.serial: "20190123_05:25"
volatile.base_image: a17e9d4577503b2b553b0b85814f4b5b7b70851cb2ad921acf160ef060ac1f56
volatile.eth0.hwaddr: 00:16:3e:0f:12:fd
volatile.idmap.base: "0"
volatile.idmap.next: '[{"Isuid":true,"Isgid":true,"Hostid":1000000,"Nsid":0,"Maprange":1000000000}]'
volatile.last_state.idmap: '[{"Isuid":true,"Isgid":true,"Hostid":1000000,"Nsid":0,"Maprange":1000000000}]'
volatile.last_state.power: RUNNING
expanded_devices:
eth0:
name: eth0
nictype: bridged
parent: lxdbr0
type: nic
root:
path: /
pool: default
type: disk
name: myct
status: Stopped
status_code: 102
last_used_at: 2019-01-28T15:04:59.72095902+01:00
location: none
snapshots: []
pool:
config:
source: /var/snap/lxd/common/lxd/storage-pools/default
description: ""
name: default
driver: dir
used_by: []
status: Created
locations:
- none
volume:
config: {}
description: ""
name: myct
type: container
used_by: []
location: noneSo, to import a backup that was made on a different storage pool:
In backup.tar.gz/index.yml, modify:
backend (if the pool type is different)
poolIn backup.tar.gz/container/backup.yml, modify:
pool.driver (if the pool type is different)
container.expanded_devices.root.poolpool.config.sourcepool.nameThanks for your help!
Ok, so that’s obviously not ideal
@monstermunchkin I think we’d at least want:
lxc import to override the storage pool, so one can do -s blah at import timeLet’s try again with LXD 3.10:
stanislas@xps-sla ~> lxc import notthatbigct.tar.gz
Error: Create container from backup: No root device could be found
stanislas@xps-sla ~> lxc storage list
+-----------+-------------+--------+----------------------------------------------+---------+
| NAME | DESCRIPTION | DRIVER | SOURCE | USED BY |
+-----------+-------------+--------+----------------------------------------------+---------+
| zpool-lxd | | zfs | /var/snap/lxd/common/lxd/disks/zpool-lxd.img | 1 |
+-----------+-------------+--------+----------------------------------------------+---------+
stanislas@xps-sla ~> lxc import notthatbigct.tar.gz -s zpool-lxd
Error: Create container from backup: No root device could be found
stanislas@xps-sla ~> lxc import
Description:
Import backups of containers including their snapshots.
Usage:
lxc import [<remote>:] <backup file> [flags]
Examples:
lxc import backup0.tar.gz
Create a new container using backup0.tar.gz as the source.
Flags:
-s, --storage Storage pool name
Global Flags:
--debug Show all debug messages
--force-local Force using the local unix socket
-h, --help Print help
--project string Override the source project
-q, --quiet Don't show progress information
-v, --verbose Show all information messages
--version Print version number
Am I missing something?
Thanks for reporting. This is a bug in the backup code. Here’s the PR: https://github.com/lxc/lxd/pull/5506
Great, let me know when I can can test it
The issue has been fixed upstream. It will be available in LXD 3.11. Alternatively you can check out the master branch.
I tested with the current edge snap channel and it’s working. Good job!