Did you ftp in both directions (from client>server and server>client)?
Backup the server itself, see if the speed is satisfactory and prove that
the system is capable of faster backups.
Are you running any antivirus software?
Use a reasonable size of data for the test so that mount times of tapes do
not greatly impact the results
Can you use network cards that are not SysKonnect SK-9843 for a test and see
if the low performance persists?


Mark



----- Original Message -----
From: "Gaddy" <xy.0815 AT GMX DOT NET>
To: <NETWORKER AT LISTMAIL.TEMPLE DOT EDU>
Sent: Saturday, April 26, 2003 2:08 AM
Subject: [Networker] Gigabit Ethernet, but backups VERY slow


> (O.K. - this is a little bit off-topic ...)
>
> Last week we installed a SysKonnect SK-9843 1Gbps NIC
> on the NetWorker server (V6.1.3).
> All the clients are fully 100 Mbps switched.
>
> Backup speed is far behind everything we expected.
> Typical 1-3 MB/sec, no matter how many clients/streams
> (Win2k + Novell) we are backing up.
> Often the speed drops under 1 MB/sec.
>
> We talked to SysKonnect and they gave us some hints
> to hack some of their registry keys.
> If I understood correctly, NetWorker is sending
> very small packets over the wire, so they have
> some problems with the NIC.
> (--> http://www.syskonnect.com/syskonnect/support/d0106_info.html)
>
> To get some other performance figures, we used
> a binary FTP-get and got ~9MB/sec (which seems
> fair for the 100MB/sec clients).
>
> Anyone had seen similar problems? And finaly solved them?
> Any tips to track the problem down are very welcome,
> (this is more or less the off-topic part).
>
> Thanks -sg-
> --
> Steffen Gattert; MOMENTUM Systech; Hamburg
>
> --
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