after i made a restore to another unix server , i try to take a backup
of this database on the new server
My backup ends abnormally with the following messages

D00: SYBMULTBUF ERROR: Unexpected error or EOF for database device.
Attempted to read 55296 bytes, but 49152 bytes were read by
sys_read_obj.

Backup Server: 4.145.2.22: [60] Error for device 'sybackup::-CLASS
1US_GMS1F_SYB119::00'. Unexpected error or EOF for database device.
Attempted to read 55296 bytes, but 49152 bytes were read by
sys_read_obj.

sybase version 11.9.2