Hello Karthik,
you can use the ASE "disk mirroring" feature for this task. Please have also a look into the documentation at
Example:
# enable disk mirroring
1> use master
2> go
1> sp_configure 'disable disk mirroring',0
2> go
# maybe a restart is required because this is a static parameter...
# mirror device to new location
1> disk mirror name="SID_log_001", mirror="/sybase/SID/saplog_1/SID_log_001.dat"
2> go
# break mirror and use mirror side for new location
1> disk unmirror name="SID_log_001", side="primary", mode="remove"
2> go
# control your new device location
1> sp_helpdevice
2> go
Please be aware that ASE will not remove the old SID_log_001.dat file from sapdata_1 directory. This has to be done manually after you are sure that mirroring was successful.
Best regards
Christoph