Re: [Veritas-bu] Only 128 drives allowed on Linux?!?
2009-06-09 07:43:52
Ware is this written?
Can you point me to this
manual/page?
From:
veritas-bu-bounces AT mailman.eng.auburn DOT edu [mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu]
On Behalf Of tim burlowski
Sent: Friday, June 05, 2009 3:52
PM
To: Wyder Peter
Cc:
veritas-bu AT mailman.eng.auburn DOT edu
Subject: Re: [Veritas-bu] Only 128
drives allowed on Linux?!?
I am not sure about the license side of the equation, but 128 drives is
the limit.
Are you able to keep 128 drives, virtual or otherwise, streaming data
at a reasonable rate on this linux server?
--
tim burlowski
Product Manager
Symantec
On Wed, Jun 3, 2009 at 9:40 AM, Wyder Peter <Peter.Wyder AT telekurs DOT com> wrote:
Today I encountered quite a strange behavior in NetBackup
(6.5.3.1). For a couple of months we now use SLES10 linux server as media
servers in our company and recently we also bought a couple of VTLs. When I
started testing the VTLs with our linux machines I quickly got to understand
that linux (out of the box SLES10SP2) has a limit of tape devices of 128. But
since we would like to use more than that on our media server (the VTLs can
offer up to 240 drives per partition) we let our linux engineering guys modify
the kernel settings so that we can generate up to 1024 tape devices on the
servers.
Now, everything went fine and I got 200 tape devices on my
linux server (100 drives from 2 different VTLs). But now NetBackup seems to
have a problem with it: Every time I start NBU the entire media management
demons stop working after a couple of seconds and the only one that stays
running is ‘vmd’. After hours of googleing, searching through the
logfiles I finally saw the following line in ‘/var/log/messages’
when I ran ‘ltid’ with the ‘-v’-option:
ltid[4709]: The currently licensed version allows up to 128
drives per server. You have configured 200 drives.
What exactly does it mean? What license? Is there a license
for this at all or is it just Symantec’s way of telling me that I should
not tamper with the standard linux kernels?
Anyone got an idea how to get rid of this limitation?
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