E.g. backup of initial database in 10.1.23 with
innodb-data-file-path=ibdata1:10M;ibdata2:5M:autoextend
is showing corruption :
170506 09:06:04 [01] Copying ./ibdata1 to /dev/shm/__var0/var1/backup/full/ibdata1
|
170506 09:06:05 [01] ...done
|
170506 09:06:05 [01] Copying ./ibdata2 to /dev/shm/__var0/var1/backup/full/ibdata2
|
InnoDB: Checksum fields zero but page is not empty.
|
[01] xtrabackup: Database page corruption detected at page 0, retrying...
|
InnoDB: Checksum fields zero but page is not empty.
|
[01] xtrabackup: Database page corruption detected at page 0, retrying...
|
Full output:
bash: ===> 10.1.23/bin/mariabackup --defaults-file=/dev/shm/__var0/var1/my.cnf --backup --target-dir=/dev/shm/__var0/var1/backup/
|
170506 09:13:48 Connecting to MySQL server host: localhost, user: root, password: not set, port: not set, socket: /dev/shm/__var0/tmp/mysql.sock.X8lno8
|
Using server version 10.1.23-MariaDB
|
10.1.23/bin/mariabackup based on MariaDB server 10.1.23-MariaDB Linux (x86_64)
|
xtrabackup: uses posix_fadvise().
|
xtrabackup: cd to /dev/shm/__var0/var1/data
|
xtrabackup: open files limit requested 0, set to 1024
|
xtrabackup: using the following InnoDB configuration:
|
xtrabackup: innodb_data_home_dir = ./
|
xtrabackup: innodb_data_file_path = ibdata1:10M;ibdata2:5M:autoextend
|
xtrabackup: innodb_log_group_home_dir = ./
|
xtrabackup: innodb_log_files_in_group = 2
|
xtrabackup: innodb_log_file_size = 50331648
|
170506 09:13:48 >> log scanned up to (1616829)
|
xtrabackup: Generating a list of tablespaces
|
170506 09:13:49 [01] Copying ./ibdata1 to /dev/shm/__var0/var1/backup/ibdata1
|
170506 09:13:49 [01] ...done
|
170506 09:13:49 [01] Copying ./ibdata2 to /dev/shm/__var0/var1/backup/ibdata2
|
InnoDB: Checksum fields zero but page is not empty.
|
[01] xtrabackup: Database page corruption detected at page 0, retrying...
|
InnoDB: Checksum fields zero but page is not empty.
|
[01] xtrabackup: Database page corruption detected at page 0, retrying...
|
InnoDB: Checksum fields zero but page is not empty.
|
[01] xtrabackup: Database page corruption detected at page 0, retrying...
|
InnoDB: Checksum fields zero but page is not empty.
|
[01] xtrabackup: Database page corruption detected at page 0, retrying...
|
InnoDB: Checksum fields zero but page is not empty.
|
[01] xtrabackup: Database page corruption detected at page 0, retrying...
|
InnoDB: Checksum fields zero but page is not empty.
|
[01] xtrabackup: Database page corruption detected at page 0, retrying...
|
InnoDB: Checksum fields zero but page is not empty.
|
[01] xtrabackup: Database page corruption detected at page 0, retrying...
|
InnoDB: Checksum fields zero but page is not empty.
|
[01] xtrabackup: Database page corruption detected at page 0, retrying...
|
170506 09:13:49 >> log scanned up to (1616829)
|
InnoDB: Checksum fields zero but page is not empty.
|
[01] xtrabackup: Database page corruption detected at page 0, retrying...
|
InnoDB: Checksum fields zero but page is not empty.
|
[01] xtrabackup: Error: failed to read page after 10 retries. File ./ibdata2 seems to be corrupted.
|
[01] xtrabackup: Error: xtrabackup_copy_datafile() failed.
|
[01] xtrabackup: Error: failed to copy datafile.
|
2017-05-06 09:13:49: bash: ===> mariabackup failed with exit code 1
|
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Bug
Critical
