スナップショットからコントロールノードを復元する
情報
USBストレージデバイスは、デフォルトでブロックされています。 USBデバイスへのアクセスが必要な場合は、管理者としてログインした後、CLI > tuning > configure を使用して、チューニングオプション cubesys.probeusb を true に設定してください。
この手順に従って、事前に保存したスナップショットを適用し、CubeCOS コントロールノードを復旧してください。
ターゲティングの役割
このガイドは、以下の役割に適用されます：
- 制御
- 制御統合型
- エッジコア
- 司会者
[Control-Converged] ディスクの削除
ロールノードのみが制御収束している場合、この操作が必要です。ノードが削除された際には、ストレージプールからOSDを削除する必要があります。
cc3> storage
cc3:storage> remove_disk
index name size osd serial
--
1 /dev/sdb 447.1G 8 6 PHYM809401PY480BGN
2 /dev/sdc 894.3G 12 10 BTYF91230FJX960CGN
3 /dev/sdd 447.1G 16 14 PHYM809401LJ480BGN
--
Enter the index of disk to be removed: 1
Disk removal mode:
1: safe
2: force
Enter index: 2
force mode immediately destroys disk data so USE IT AT YOUR OWN RISKS.
Enter 'YES' to confirm: YES
ID CLASS WEIGHT REWEIGHT SIZE RAW USE DATA OMAP META AVAIL %USE VAR PGS STATUS
6 ssd 0.21790 1.00000 223 GiB 534 MiB 521 MiB 8 KiB 13 MiB 223 GiB 0.23 1.00 110 up
TOTAL 223 GiB 534 MiB 521 MiB 8.2 KiB 13 MiB 223 GiB 0.23
MIN/MAX VAR: 1.00/1.00 STDDEV: 0
AID CLASS WEIGHT REWEIGHT SIZE RAW USE DATA OMAP META AVAIL %USE VAR PGS STATUS
8 ssd 0.21790 1.00000 223 GiB 285 MiB 265 MiB 3 KiB 20 MiB 223 GiB 0.12 1.00 126 up
TOTAL 223 GiB 285 MiB 265 MiB 3.3 KiB 20 MiB 223 GiB 0.12
MIN/MAX VAR: 1.00/1.00 STDDEV: 0
Removed disk /dev/sdb.
cc3:storage> remove_disk
index name size osd serial
--
1 /dev/sdc 894.3G 12 10 BTYF91230FJX960CGN
2 /dev/sdd 447.1G 16 14 PHYM809401LJ480BGN
--
Enter the index of disk to be removed: 1
Disk removal mode:
1: safe
2: force
Enter index: 2
force mode immediately destroys disk data so USE IT AT YOUR OWN RISKS.
Enter 'YES' to confirm: YES
ID CLASS WEIGHT REWEIGHT SIZE RAW USE DATA OMAP META AVAIL %USE VAR PGS STATUS
10 ssd 0.43629 1.00000 447 GiB 768 MiB 739 MiB 11 KiB 29 MiB 446 GiB 0.17 1.00 304 up
TOTAL 447 GiB 768 MiB 739 MiB 12 KiB 29 MiB 446 GiB 0.17
MIN/MAX VAR: 1.00/1.00 STDDEV: 0
ID CLASS WEIGHT REWEIGHT SIZE RAW USE DATA OMAP META AVAIL %USE VAR PGS STATUS
12 ssd 0.43629 1.00000 447 GiB 1.0 GiB 994 MiB 6 KiB 35 MiB 446 GiB 0.22 1.00 411 up
TOTAL 447 GiB 1.0 GiB 994 MiB 6.7 KiB 35 MiB 446 GiB 0.22
MIN/MAX VAR: 1.00/1.00 STDDEV: 0
Removed disk /dev/sdc.
cc3:storage> remove_disk
index name size osd serial
--
1 /dev/sdd 447.1G 16 14 PHYM809401LJ480BGN
--
Enter the index of disk to be removed: 1
Disk removal mode:
1: safe
2: force
Enter index: 2
force mode immediately destroys disk data so USE IT AT YOUR OWN RISKS.
Enter 'YES' to confirm: YES
ID CLASS WEIGHT REWEIGHT SIZE RAW USE DATA OMAP META AVAIL %USE VAR PGS STATUS
14 ssd 0.21790 1.00000 223 GiB 1.3 GiB 1.2 GiB 5 KiB 31 MiB 222 GiB 0.57 1.00 449 up
TOTAL 223 GiB 1.3 GiB 1.2 GiB 5.1 KiB 31 MiB 222 GiB 0.57
MIN/MAX VAR: 1.00/1.00 STDDEV: 0
ID CLASS WEIGHT REWEIGHT SIZE RAW USE DATA OMAP META AVAIL %USE VAR PGS STATUS
16 ssd 0.21790 1.00000 223 GiB 1.1 GiB 1.1 GiB 5 KiB 25 MiB 222 GiB 0.51 1.00 810 up
TOTAL 223 GiB 1.1 GiB 1.1 GiB 5.7 KiB 25 MiB 222 GiB 0.51
MIN/MAX VAR: 1.00/1.00 STDDEV: 0
Removed disk /dev/sdd.
cc3:storage>
新しいノードを置き換える
「詳細」オプションを選択してください
First Time Setup Options:
1: Wizard
2: Advanced
Enter index: 2
コントロールノードの追加オプション
Welcome to the Cube Appliance
Enter "help" for a list of available commands
unconfigured> first
unconfigured:first> control_rejoin
Set or clear control rejoin flag?
1: set
2: clear
Enter index: 1
Control rejoin markers set
unconfigured:first>
NFS 経由でメディアからスナップショットを取得する
unconfigured> snapshot
unconfigured:snapshot> pull
Select a media:
1: usb
2: nfs
3: url
Enter index: 2
---------------------------------------------------------------------------------
Dev Label DevID/Cfg BusID/Slaves HWAddr Driver Link State Speed(actual/advertised)
---------------------------------------------------------------------------------
eth0 IF.1 8086.1533 0000:01:00.0 c4:00:ad:54:ba:c3 igb yes UP 1000F/1000F
eth1 IF.2 8086.1533 0000:02:00.0 c4:00:ad:54:ba:c4 igb no DOWN /1000
eth2 IF.3 8086.1533 0000:05:00.0 c4:00:ad:54:ba:c5 igb no DOWN /1000
eth3 IF.4 8086.374a 0000:3e:00.0 c4:00:ad:54:ba:c6 i40e yes DOWN 10000F/10000F
eth4 IF.5 8086.374a 0000:3e:00.1 c4:00:ad:54:ba:c7 i40e no DOWN /10000
eth5 IF.6 8086.374a 0000:3e:00.2 c4:00:ad:54:ba:c8 i40e no DOWN /10000
eth6 IF.7 8086.374a 0000:3e:00.3 c4:00:ad:54:ba:c9 i40e no DOWN /10000
---------------------------------------------------------------------------------
Select an interface:
1: eth0
2: eth1
3: eth2
4: eth3
5: eth4
6: eth5
7: eth6
Enter index: 1
Setting up network ...
Enter NFS location [server:/path]: 10.32.xxx.xxx:/volume1/cube-snaps/sqa_test
Select a snapshot:
1: (Automatically generated on 2025-09-11 10:50:12) CUBE_3.0.0_20250911-105012.687656_cc1.snapshot
2: (Automatically generated on 2025-09-11 11:17:21) CUBE_3.0.0_20250911-111721.852512_cc3.snapshot
Enter index: 2
Copying...
CUBE_3.0.0_20250911-111721.852512_cc3.snapshot
626,933 100% 141.66MB/s 0:00:00 (xfr#1, to-chk=0/1)
Automatically generated on 2025-09-11 11:17:21
Copy complete.
unconfigured:snapshot>
設定を適用する
unconfigured:snapshot> apply
1: CUBE_3.0.0_20250911-043159.452589_unconfigured.snapshot
2: CUBE_3.0.0_20250911-111721.852512_cc3.snapshot
Enter index: 2
Automatically generated on 2025-09-11 11:17:21
Date/Time is important for applying changes to an unconfigured box.
Please confirm the current time is good.
* Local Time: 09/11/2025 00:39:16 EDT
Enter 'YES' to confirm: YES
(01/22) committing: sys
(02/22) committing: appliance cron cubesys debug syslog update
(03/22) committing: first
(04/22) committing: net time bootstrap fixpack iso password snapshot snapshotmgr support supportbase usb volume-meta
(05/22) committing: net_static net_dynamic
(06/22) committing: sshd
(07/22) committing: standalone
(08/22) committing: cube_scan
(09/22) committing: corosync mysql cluster libvirt4 dns mongodb kafka ntp opensearch prometheus
(10/22) committing: pacemaker rabbitmq docker logstash opensearch-dashboards telegraf
(11/22) committing: haproxy k3s
(12/22) committing: keystone keycloak ceph
(13/22) committing: memcache ceph_dashboard idp keystone_idp rancher
(14/22) committing: barbican cinder glance heat horizon neutron magnum manila masakari monasca swift influxdb designate skyline octavia s
(15/22) committing: manila cyborg grafana ironic k3s_last kapacitor nginx
(16/22) committing: apache2
(17/22) committing: api
(18/22) committing: pacemaker_last
(19/22) committing: monasca_setup neutron_last
(20/22) committing: cube_last
(21/22) committing: done
Policy snapshot file applied
管理者として再ログインし、パスワードを設定してください
cc3:snapshot> exit
cc3 Login: admin
Password:
Welcome to the Cube Appliance
Enter "help" for a list of available commands
Notice: your license will expire in 29 days.
Please contact system administrator to renew the license.
cc3> management set_password
Enter old password:
Enter new password:
Confirm new password:
Password successfully changed
cc3> exit
手動ブートを有効にする
cc1:boot_mode> manual
Switch to manual bootstrap mode:
1: one-time manual
2: always manual
Enter index: 1
Enter 'YES' to confirm: YES
Exit current CLI and log in again as admin to see changes in effect
クラスタ同期
cc3> boot cluster_sync
(1/11) processing: keycloak
(2/11) processing: libvirt4
(3/11) processing: keystone
(4/11) processing: ceph
(5/11) processing: nova
(6/11) processing: cinder
(7/11) processing: manila
(8/11) processing: octavia
(9/11) processing: haproxy
(10/11) processing: k3s_last
(11/11) processing: telegraf
cluster_sync successfully
cc3>
バックドアによるブートモードの変更
cc3 login: root
Password:
Last login: Thu Sep 11 13:18:12 from 10.32.140.1
Welcome to CUBE_3.0.0_20250608-0804_ef9b72f
[cc3 ~]# rm -f /etc/appliance/state/boot_mode
[cc3 ~]# exit
点検・修理サービス
cc3> cluster check
Service Status Report
IaasDb ok [ mysql(v) ]
Baremetal ok [ ironic(v) ]
K8SaaS ok [ rancher(v) ]
Image ok [ glance(v) ]
ClusterSys ok [ bootstrap(v) license(v) ]
SingleSignOn ok [ k3s(v) keycloak(v) ]
FileStor ok [ manila(v) ]
ObjectStor ok [ swift(v) ]
ClusterLink ok [ link(v) clock(v) dns(v) ]
BlockStor ok [ cinder(v) ]
Orchestration ok [ heat(v) ]
MsgQueue ok [ rabbitmq(v) ]
Notifications ok [ influxdb(v) kapacitor(v) ]
VirtualIp ok [ vip(v) haproxy_ha(v) ]
HaCluster ok [ hacluster(v) ]
DataPipe ok [ zookeeper(v) kafka(v) ]
InstanceHa ok [ masakari(v) ]
LBaaS ok [ octavia(v) ]
BusinessLogic ok [ senlin(v) watcher(v) ]
Compute ok [ nova(v) cyborg(v) ]
Metrics ok [ monasca(v) telegraf(v) grafana(v) ]
ClusterSettings ok [ etcd(v) nodelist(v) mongodb(v) ]
Storage ok [ ceph(v) ceph_mon(v) ceph_mgr(v) ceph_mds(v) ceph_osd(v) ceph_rgw(v) rbd_target(v) ]
LogAnalytics ok [ filebeat(v) auditbeat(v) logstash(v) opensearch(v) opensearch-dashboards(v) ]
Network ok [ neutron(v) ]
DNSaaS ok [ designate(v) ]
ApiService ok [ haproxy(v) httpd(v) nginx(v) api(v) skyline(v) memcache(v) ]
cc3>