[rescue] DLT drive dead want to replace without rebooting

Mike Hebel nimitz at nimitzbrood.com
Tue Nov 28 09:59:25 CST 2006

On Nov 28, 2006, at 9:57 AM, Mike Hebel wrote:

> On Nov 28, 2006, at 9:47 AM, Sridhar Ayengar wrote:
>> Brian Deloria wrote:
>>> Hello,
>>>   I've got a DLT drive that bit the dust, and I've been doing some
>>> research
>>> here and I'd like to hotswap the drive with it's replacement when it
>>> gets
>>> here, however I'm not sure how nor do I know if I can reset the scsi
>>> bus.
>>> The tape drive is on it's own controller which is the first good
>>> thing.
>>>   I'm reluctant to reboot the machine for one simple reason my
>>> predecessor
>>> suspected that the NVRAM had gone bad, it's been online for over 600
>>> days,
>>> and if the NVRAM gets replaced then there's several software
>>> licesnses that
>>> are bound to the hostid which would cause a great deal of grief.
>> What platform are you on?
> That was going to be my question too.
> If it's Sun and you follow the NVRAM ID Replacement steps:
> http://www.bhargavaz.net/nvram/nvram.html
> You should be able to have it come back up with the right HOSTID
> without a problem
> IIRC there was a way to do that on SGI equipment as well.

Oh and BACK UP the NVRAM data before doing anything. Per the NVRAM FAQ:


Mike Hebel
I was dreaming Rem. Everything was so horribly dry, there on that 
planet, even people's hearts. As I watched the people who lived there 
from far away, I kept wondering why they went on living, how they kept 
on living. Rem, listen to me Rem. I did a bad thing. I did a bad thing. 
Tell me? What should I do? - Vash

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