Beta clients+prefilebackup script failed

Testing
1

Hi,

Urbackup server 2.3.7 on Asustor 1002t, Clients:
Centos 7, urbackup clients 2.4.7 beta and 2.4.6 beta
errors:

Level Time Message
Info 18.09.19 11:31 Starting unscheduled full file backup…
Errors 18.09.19 11:31 Constructing of filelist of “Mail-SRV” failed: error - prefilebackup script failed with error code 32512
Errors 18.09.19 11:31 Constructing of filelist of “Mail-SRV” failed: error - prefilebackup script failed with error code 32512
Warnings 18.09.19 11:31 Sever admin stopped backup during indexing
Errors 18.09.19 11:31 Backup had an early error. Deleting partial backup.

and

Errors 18.09.19 11:04 Constructing of filelist of “webhosting2” failed: error - prefilebackup script failed with error code 32512
Errors 18.09.19 11:04 Constructing of filelist of “webhosting2” failed: error - prefilebackup script failed with error code 32512
Errors 18.09.19 11:04 Constructing of filelist of “webhosting2” failed: error - prefilebackup script failed with error code 32512
Errors 18.09.19 11:04 Constructing of filelist of “webhosting2” failed - TIMEOUT(3)
Errors 18.09.19 11:05 Backup had an early error. Deleting partial backup.

xtrabackup feature is enabled.

2

Thanks for the heads up. Will be fixed with the next beta client version.

3

Glad to help.
During the last test on different server, this issue didn’t reproduce with this version:
http://beta.urbackup.org/tmp/UrBackupUpdateLinux(16).sh
but issue with hashes is still.

4

Yeah, it only occurrs if it installs the Android build.

No idea about the hashing issue and I can’t reproduce it.

5

Could this be related with urbackup server-side?
Urbackup server installed from App Central on NAS Asustor 1002T
looks buggy. I’ve noticed that if press stop backup button of some linux client during backup, Urbackup server will die within 30-40 sec. Also I didn’t notice backup speed more that 40MBit/s in the web ui, but it can be hardware limitations…(Internet speed 100MBit/s)

What you think about options from “Internet backup”:
Calculate file-hashes on the client and (turned on now)
Beta: Calculate file hashes on client in parallel (turned off now)
will it helpfuly to try to turn off Calculate file-hashes on the client?

bwt what difference between
http://beta.urbackup.org/Client/2.4.7%20beta/UrBackup%20Client%20Linux%202.4.7%20beta-dbg.sh

and

http://beta.urbackup.org/Client/2.4.7%20beta/UrBackup%20Client%20Linux%202.4.7%20beta.sh

6

The first one has debug symbols, that help e.g. debugging crashes.

Simplest way to check this is to (temporarily) run the backup server somewhere else, e.g. even the Windows UrBackup Server.

7

btw, did new test a couple mins ago with enabled Calculate file hashes on client in parallel

Errors 20.09.19 01:00 Error getting parallel hash for file “xtrabackup_checkpoints” line 426496
Errors 20.09.19 01:00 Error getting parallel hash for file “xtrabackup_info” line 426497
Errors 20.09.19 01:01 Backup failed

let me know if you need clients logs, but I didn’t see error linked with hashes server/client mismatch

Just I saw warnings like:
Client calculated hash of “/volume1/UrBackup/webhosting1/190920-0039/local/var/urbackup/backup_client.db-shm” differs from server calculated hash. The file is being backed up without a snapshot so this is most likely caused by the file changing during the backup. The backed up file may be corrupt and not a valid, consistent backup. (Hash: tree-sparse)

8

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