[MCOL-3428] columnstoreBackup fails on first time ssh logins Created: 2019-08-14  Updated: 2023-10-26  Resolved: 2023-03-06

Status: Closed
Project: MariaDB ColumnStore
Component/s: None
Affects Version/s: 1.1.5
Fix Version/s: Icebox

Type: Bug Priority: Minor
Reporter: David Hill (Inactive) Assignee: Unassigned
Resolution: Won't Do Votes: 0
Labels: None

Epic Link: Consolidate & Redevelop All Columnstore Tools (SDK, Adapters, Backup, Restore, mcsimport)

 Description   

Running columnstoreBackup on a root install. It failed the first time I ran it wil ssh login failed.
I then logged into the PM1 with ssh-keys and got the prompt for first time login.
Then columnstoreBackup worked after that.

root@ip-172-31-38-221:~# ./columnstoreBackup -zv 172.31.38.221 columnstoreBackupData
[2019-08-14 15:29:44] [root] ./columnstoreBackup -zv 172.31.38.221 columnstoreBackupData
[2019-08-14 15:29:44] ERROR: Cannot connect to root@172.31.38.221
[2019-08-14 15:29:44] Check that ssh and passwordless login are available.
[2019-08-14 15:29:44] Backup Status: Failed
[2019-08-14 15:29:44] Runtime: 00:00:00
root@ip-172-31-38-221:~# ssh root@172.31.38.221
The authenticity of host '172.31.38.221 (172.31.38.221)' can't be established.
ECDSA key fingerprint is SHA256:7zNh5Q6ZWOnqNU3VxlsiSqIPPeGZBxUUOvrUoTEocvU.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '172.31.38.221' (ECDSA) to the list of known hosts.
Welcome to Ubuntu 18.04.1 LTS (GNU/Linux 4.15.0-1044-aws x86_64)

  • Reduce system reboots and improve kernel security. Activate at:
    https://ubuntu.com/livepatch
    152 packages can be updated.
    0 updates are security updates.
      • System restart required ***
        Last login: Wed Aug 14 15:18:57 2019 from 47.186.101.176
        root@ip-172-31-38-221:~#
        root@ip-172-31-38-221:~#
        root@ip-172-31-38-221:~#
        root@ip-172-31-38-221:~# exit
        logout
        Connection to 172.31.38.221 closed.
        root@ip-172-31-38-221:~#
        root@ip-172-31-38-221:~#
        root@ip-172-31-38-221:~#
        root@ip-172-31-38-221:~#
        root@ip-172-31-38-221:~#
        root@ip-172-31-38-221:~# ./columnstoreBackup -zv 172.31.38.221 columnstoreBackupData
        [2019-08-14 15:30:07] [root] ./columnstoreBackup -zv 172.31.38.221 columnstoreBackupData
        [2019-08-14 15:30:08] rsync -a -z --delete --link-dest=./backup.1 root@172.31.38.221:/usr/local/mariadb/columnstore/etc/Columnstore.xml columnstoreBackupData
        [2019-08-14 15:30:08] rsync -a -z --delete --link-dest=./backup.1 root@172.31.38.221:/usr/local/mariadb/columnstore/releasenum columnstoreBackupData
        [2019-08-14 15:30:12]
        [2019-08-14 15:30:12] Configuration:
        [2019-08-14 15:30:12]
        [2019-08-14 15:30:12] Server PM1 address = 172.31.38.221
        [2019-08-14 15:30:12] Backup Server location = columnstoreBackupData
        [2019-08-14 15:30:12] SystemName: columnstore-1
        [2019-08-14 15:30:12] SingleServerInstall: n
        [2019-08-14 15:30:12] serverTypeInstall: 1
        [2019-08-14 15:30:12] PMwithUM: y
        [2019-08-14 15:30:12] DBRootStorageType: internal
        [2019-08-14 15:30:12]
        [2019-08-14 15:30:12] UMs: 2
        [2019-08-14 15:30:12] PMs: 2
        [2019-08-14 15:30:12] um1 ip 172.31.43.170
        [2019-08-14 15:30:12] um1 host 172.31.43.170
        [2019-08-14 15:30:12]
        [2019-08-14 15:30:12] um2 ip 172.31.34.20
        [2019-08-14 15:30:12] um2 host 172.31.34.20
        [2019-08-14 15:30:12]
        [2019-08-14 15:30:12] pm1 ip 172.31.38.221
        [2019-08-14 15:30:12] pm1 host ip-172-31-38-221
        [2019-08-14 15:30:12] pm1 DBRootCount: 1
        [2019-08-14 15:30:12]
        [2019-08-14 15:30:12] pm2 ip 172.31.35.18
        [2019-08-14 15:30:12] pm2 host 172.31.35.18
        [2019-08-14 15:30:12] pm2 DBRootCount: 1
        [2019-08-14 15:30:12]
        [2019-08-14 15:30:12] DBRootCount: 2
        [2019-08-14 15:30:12] DBRoot1: /usr/local/mariadb/columnstore/data1
        [2019-08-14 15:30:12] DBRoot2: /usr/local/mariadb/columnstore/data2
        [2019-08-14 15:30:12] WARNING: Disk Space NOT verified for backup system.
        [2019-08-14 15:30:12] Run with -d option to collect disk space requirement information via rsync.
        [2019-08-14 15:30:12] ssh root@172.31.38.221 du -s -b /usr/local/mariadb/columnstore/data1
        [2019-08-14 15:30:13] ssh root@172.31.38.221 du -s -b /usr/local/mariadb/columnstore/mysql/db
        [2019-08-14 15:30:14] ssh root@172.31.35.18 du -s -b /usr/local/mariadb/columnstore/data2
        [2019-08-14 15:30:14] ssh root@172.31.35.18 du -s -b /usr/local/mariadb/columnstore/mysql/db
        [2019-08-14 15:30:21] rsync -a -z --delete --link-dest=../backup.1/cnf root@172.31.38.221:/usr/local/mariadb/columnstore/mysql/my.cnf columnstoreBackupData/cnf/
        [2019-08-14 15:30:21] rsync -a -z --delete --link-dest=../backup.1/cnf root@172.31.38.221:/usr/local/mariadb/columnstore/mysql/my.cnf.d columnstoreBackupData/cnf/
        [2019-08-14 15:30:22] Backing up PMs
        [2019-08-14 15:30:22] Backing up pm1dbroot1
        [2019-08-14 15:30:22] rsync -a -z --delete --copy-links --link-dest=../backup.1/pm1dbroot1 root@172.31.38.221:/usr/local/mariadb/columnstore/data1 columnstoreBackupData/pm1dbroot1
        [2019-08-14 15:30:22] Backing up pm1dbroot1 local query data
        [2019-08-14 15:30:22] rsync -a -z --delete --link-dest=../backup.1/pm1DB root@172.31.38.221:/usr/local/mariadb/columnstore/mysql/db columnstoreBackupData/pm1DB
        [2019-08-14 15:30:24] Backing up pm2dbroot1
        [2019-08-14 15:30:24] rsync -a -z --delete --copy-links --link-dest=../backup.1/pm2dbroot1 root@172.31.35.18:/usr/local/mariadb/columnstore/data2 columnstoreBackupData/pm2dbroot1
        [2019-08-14 15:30:24] Backing up pm2dbroot1 local query data
        [2019-08-14 15:30:24] rsync -a -z --delete --link-dest=../backup.1/pm2DB root@172.31.35.18:/usr/local/mariadb/columnstore/mysql/db columnstoreBackupData/pm2DB
        [2019-08-14 15:30:26] Waiting for backups to complete...
        Progress [=========================>] (100%) 13 Mbps 00:00:25 Approx Time Remaining
        [2019-08-14 15:30:36] DONE
        [2019-08-14 15:30:36] Backing up UMs
        [2019-08-14 15:30:36] Backing up um1
        [2019-08-14 15:30:36] rsync -a -z --delete --link-dest=../backup.1/um1 root@172.31.43.170:/usr/local/mariadb/columnstore/mysql/db columnstoreBackupData/um1
        [2019-08-14 15:30:38] Backing up um2
        [2019-08-14 15:30:38] rsync -a -z --delete --link-dest=../backup.1/um2 root@172.31.34.20:/usr/local/mariadb/columnstore/mysql/db columnstoreBackupData/um2
        [2019-08-14 15:30:40] DONE
        [2019-08-14 15:30:40] Backup Status: Success
        [2019-08-14 15:30:40] Runtime: 00:00:33
        root@ip-172-31-38-221:~#


 Comments   
Comment by Todd Stoffel (Inactive) [ 2023-03-06 ]

This ticket was created prior to convergence with the server and may be obsolete. If you find this issue still exists in a modern version, please open a new ticket.

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