Hello,
the sysinternals website has detailed informations about the boot.ini switches.
http://technet.microsoft.com/en-us/sysinternals/bb963892.aspx
If you want to use more then 4GB RAM on a 32bit windows you need the PAE
switch. With the 3GB Switch each process can allocate 3GB RAM. Without the
switch 2GB is the maximum. The switch also reduces the kernel mem from 2GB to
1GB. As networker uses many processes with less than 2GB RAM, it's better not
to use the 3GB Switch and let the kernel use the 2GB.
If the hardware is 64bit capable, you can also use a 64bit Networker on a 64bit
Windows 2003. Then you can use the RAM without additional switches.
Birk Bohne
Backup and Virtualization Consulting
Erfurt, Germany
email: birk.bohne AT batchworks DOT de
----- "brerrabbit" <networker-forum AT BACKUPCENTRAL DOT COM> schrieb:
> Greetings -
>
> We just doubled the RAM (to 8GB) in our 32-bit Windows 2003 Enterprise
> R2 Networker server in preparation for our upgrade to 7.4. from 7.3.3
> per the recommendation of one of the docs - the exact one escapes me
> at the moment.
>
> I've added the /PAE option to the boot.ini file so that the various
> processes can take advantage of the extra physical RAM, but I have not
> added the /3GB switch because I'm unsure what the recommendation is.
>
> I opened a ticket with Tech support and they were ... um ... not so
> helpful. Is anyone aware of any guidelines for this? We have ~150
> physical servers in our environment to backup, plus 6 Celerra
> datamovers (soon to be 9 datamovers) that do NDMP backups. Somewhere
> in the neighborhood of 100TB backed up per week. We also have NMC
> running on a dedicated server, so the NW server is "pure". The
> backups route their streams to separate storage nodes, so the
> Networker server does not usually process backups, but there are 30 or
> so devices zoned/local to it (devices are in 4 VTL's and a physical
> library).
>
> Any guidance/experience would be appreciated. Thanks in advance
> --brerrabbit
>
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