Hi All,
One of our business suite customer (1035909 / 2014 ) is facing problem in Loading the compressed database to the archivedb using Sybase ADA feature.
When we loaded the dump to the archive database, following errors occured.
1> load database archivedb
from '/backupdir_IC5/IC5.DB.20141105.141506.000'
2> go
Msg 15700, Level 16, State 4:
Server 'IC5', Line 1:
Failed to read the virtual page '283331' from the device '14'.
In the errorlog we see the below errors:
From IC5.log
00:0002:00000:00060:2014/11/05 14:48:46.80 kernel Initializing virtual device 14, '/backupdir_IC5/IC5.DB.20141105.141506.000' with dsync 'off'.00:0002:00000:00060:2014/11/05 14:48:46.80 kernel Virtual device 14 started using asynchronous i/o.
00:0002:00000:00060:2014/11/05 14:48:47.06 server Compressed length (66030) is too big. File probably corrupted.
00:0002:00000:00060:2014/11/05 14:48:47.08 kernel Deactivating virtual device 14, '/backupdir_IC5/IC5.DB.20141105.141506.000'.
Customer ASE versin is 15.7 SP122 on SUSE Linux Enterprise 11 SP2 and user database size is 40 GB
From my Analysis:
I have tried reproducing the issue from our end using same server configuration and dbsize as 4 GB but could not able to reproduce the issue at our end.
tried increasing the archivedb size at the customer end but that also did not help.
Customer is using compression for the dump database, for the smaller databases like sybsystemprocs with compression it loads perfectly but for the SID database with compression it fails but without compression it works fine.
Is there any restriction with respect to compression and the database size (40 GB) for using the ADA feature ? Customer feels the database size and for the BS database there are some restrictions.
Can you please help me on this to answer this question and to resolve the issue.
Specifications:
Customer uses the following dump configuration to take backup:
Dump Configuration
------------------
[Dump Configuration:IC5DB]
stripe directory = /backupdir_IC5
external api name = DEFAULT
number of stripes = DEFAULT
number of retries = DEFAULT
block size = DEFAULT
compression level = 101
retain days = DEFAULT
init = DEFAULT
verify = header
notify = DEFAULT
remote backup server name = DEFAULT
Thanks & Regards,
Amit Kumar Singh