All,

I have inherited several ADSM server/client configurations and have noticed slow
restore transfer rates.

Two systems that I have tried so far are ;

RS/6000 E30
AIX     4.3.2
ADSM Server 3.1.2.50
ADSM Client 3.1.20.6
Library     Exabyte EZ17 (7 cart, single drive)

RS/6000 H50
AIX     4.3.2
ADSM Server 3.1.2.50
ADSM Client 3.1.20.6
Library     IBM 3570 (19 cart, single drive)

When backing up files I get good transfer rates, on the H50 the aggregate rate
for a single 10MB file was 2,536.23 KB/Sec.

However on restore the rate was 72.49 KB/Sec.

This is the dsmserv.opt, dsm.sys and dsm.opt from the E30

COMMmethod TCPIP
COMMmethod SHAREDMEM
COMMmethod HTTP
LANGuage en_US
VOLUMEH /data/adsm/volhist_001
VOLUMEH /var/adsm_db_backup/volhist_002
VOLUMEH volhist
DEVCONF /data/adsm/devices_001
DEVCONF /var/adsm_db_backup/devices_002
DEVCONF devices

*//ADSM_LOCAL_SERVER_STANZA
Servername         localSrv
*TCPPort            1500
*TCPServeraddress   pc1360
Inclexcl           /usr/lpp/adsm/bin/backup.excl
passwordaccess     generate
*commmethod         sharedmem
commmethod         tcpip
schedlogname       /data/adsm/sched.log
schedlogretention 30 d
*//END_ADSM_LOCAL_SERVER_STANZA

virtualnode        client
Servername         localSrv

Any thoughts on the slow transfer rate ?

Thanks in advance,

Andrew Miller.



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