[j-nsp] M7i hard disk crash, can just replace to CF card?

[HahnC at t-systems.com]

Hi Felipe,

>
>last friday had a power failure, and after getting power back 
>we had a non-working M7i box. Chassis alarms doesn't even light on.
>
>Looking at console port there was FreeBSD boot saying 
>something about "error
>32 lba 0" and "error 16 lba 0",
>which took me to understand the disk (ad1, the 2.5" 
>notebook-like one) went dead.
>
>After a few reboots, now it doesn't even recognize a hard disk 
>being present.
>
>I wonder: if I place a CF disk on ad0 (at CF reader), and 
>install JUNOS on it (copying from another M7i), will it work?
>
>Or am I required to have an working IDE HD ?
>
>Juniper's docs says if a CF is installed, HD is a secondary 
>option. But just wanted to be sure before getting all this job done.

I would not recommend running the M7i only on CF card. It will boot fine from CF but the HD is used for local storage of logs and others. Some people tend to replace the the HD with an SSD for reliability.

regards,
Christian
>
>Before you ask: getting this RE-400 back to Juniper to RMA is 
>not an option at the moment (think about refurbished).
>
>If this message is out of AUP, just reply off-list. Thank you.
>
>Kind regards,
>Felipe
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