Rigido
ADSM.ORG Senior Member
Hi,
probably I miss some DB2 info and the dba is not useful.
With a configuration like this: SAP on DB2, LPAR with AIX, LAN 10Gbit, SAN 8Gbit, V7000 and 7620 VTL, TSM 7.1.7, native DB2 backup commands, we can't go more than 200MB/sec. I tried with LAN, LAN-Free SharedMemory and LAN-Free TCPIP commethod. I still didn't try a "plain" dsmc backup but I'll do it tomorrow.
I read that I could specify buffers size, buffers number and parallelism parameters on the backup db command line, but I can't find any info or best practices, just the DB2 manual that states "DB2 will automatically choose an optimal value"
Does someone have any hint on this?
PS: With SAP on Oracle db I never found a dba that used just RMAN to backup database, they always told me that there were "other files" SAP needed to save for a reliable backup, so always used brbackup. This DB2 dba looks confident that this is how a SAP/DB2 backup must be done but, if so, why should IBM offer a TDP for ERP on DB2?
Thanks.
probably I miss some DB2 info and the dba is not useful.
With a configuration like this: SAP on DB2, LPAR with AIX, LAN 10Gbit, SAN 8Gbit, V7000 and 7620 VTL, TSM 7.1.7, native DB2 backup commands, we can't go more than 200MB/sec. I tried with LAN, LAN-Free SharedMemory and LAN-Free TCPIP commethod. I still didn't try a "plain" dsmc backup but I'll do it tomorrow.
I read that I could specify buffers size, buffers number and parallelism parameters on the backup db command line, but I can't find any info or best practices, just the DB2 manual that states "DB2 will automatically choose an optimal value"
Does someone have any hint on this?
PS: With SAP on Oracle db I never found a dba that used just RMAN to backup database, they always told me that there were "other files" SAP needed to save for a reliable backup, so always used brbackup. This DB2 dba looks confident that this is how a SAP/DB2 backup must be done but, if so, why should IBM offer a TDP for ERP on DB2?
Thanks.