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Backup Slow after BC Snap shots

Anoopkumar
Frequent Advisor

Backup Slow after BC Snap shots

Hi,
We have recently purchased HP Business Copy and successfully implemented on HP EVA 5000 SAN. Basically we are taking snap shot on one node (HPUX) and mounting on another node (HPUX) so that backup can be taken from that node. But the backup from snap shot is very slow (350 MB/minute) as compared to earlier 2 GB/minute (without snap shot). Any special config is required to take backup from snap shot.
The backup software is Brightstor. The snap shot scripts are created from RSM 2.0 and the LUNs are in Continuous Access DR Group. From HP I came to know that "set ca_subsystem" parameter is not required in RSM as it takes care automatically, it is required in BC 2.3.
Has anybody facing such issues then pl. let me know.

regds,
Mahadev