Monitoring tape activity

Monitoring tape activity

Post by Keith Michae » Fri, 21 Aug 1998 04:00:00

I need a utility that will definitively tell me if the tape in
a tape drive is actually going around.  We use Solaris 2.5 and
STK timberline drives in an STK silo, and they're in a different
building.  We need to know if a process that is supposed to be
writing to tape is actually writing anything out.  Sometimes they
hang up and have to be killed.  Is there something I can do on
Solaris to detect this situation?

| Keith R. Michaels   Archival Evangelist                     |
| (425)865-6415       Boeing Archival Service (|
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1. Netowrk activity with no activity?

I reciently got IP Masqurading working between a local LAN and a Cable
Modem using RedHat 5.2.  I came up to the machine tonight and the screen
was full of this message:
"eth0 Interrupted while interupts are masked! isr=0x0 imr=0x0"
Also, both the Cable Modem lights TD and RD lights as well as the LAN
hub Link/Rx lights were flashing full time even though nobody in the
house was on the network and nobody was logged into the linux machine.
I ran "tcpdump" and didn't see much activity at all.  I re-booted to
Windows98 and all the activity went away except for an occasional flash
of the TD light which I have ocme to believe is normal..  Was somebody
breaking into the system?  Was it stuck?  Is there some kind of strange
reaction between my LAN and the linux machine?  Do I have that new LAN
virus I read about?

Any ideas?

Thanks in advance,

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