Make sure you have PTF U447884 loaded? If not, you will need it. There is a
problem with o_sync writes being slow in AIX4.2 that affects adsm backups.....
We recently upgraded our RS/6000 box to AIX 4.2. Prior to this upgrade,
ADSM backups were taking anywhere from 1.5 to 2 hours to process. Now,
however, backups are taking 4.5 hours and even longer. The amount of
data being backed up is the same. Here are some details about the
server/upgrade:
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