[HECnet] A2RTR downtime

[Thomas DeBellis]

I did the same thing with a cast-off IBM X3350 series system. Worked 
fine, but the box sucked so much power, that it now spends most of its 
time powered down.  For it's time, it was plenty fast and a great 
platform to run Tops-20 on.

On 10/17/21 4:03 PM, John Yaldwyn wrote:
> Good luck with the dasd migration Bob,
>
> I have used RAID with Centos but I used an IBM ServeRaid controller 
> that was supported by Centos so the effort required no work on my part 
> other than assembling the necessary parts and updating the controller 
> firmware.
>
> Cheers, John
>
>> On 18/10/2021, at 05:03, Robert Armstrong <bob at jfcl.com> wrote:
>>
>> 
>>
>>   A2RTR will be down tomorrow (Monday) for a couple of hours sometime 
>> between 9AM PDT and 3PM. It’s not my doing – PG&E is replacing a 
>> transformer and the power will be off.  I have battery backup for 
>> some of my equipment, but not A2RTR.  Sorry.
>>
>>   It’s also going to have to go down sometime again, maybe next 
>> weekend, so I can replace a disk drive that’s failing.  I bought two 
>> identical drives and plan to set up a RAID 1 array this time.  If 
>> anybody has set up a software RAID on Ubuntu, using the md driver and 
>> mdadm, for the system drive and you have advice, let me know.  
>> Espcially if you managed to make both of the drives bootable.
>>
>>
>> Bob
>>
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