[j-nsp] New flash card in M7i

ken lindahl lindahl at berkeley.edu
Tue Mar 3 14:35:33 EST 2009


the CF is not mandatory; we have two M7is running 9.3R2 without the
benefit of CF. (the routers are fully redundant for each other which
is how we sidestep the redundant RE issue.)

however, depending on what version you upgrade from you might see
a dramatic increase in RAM utilization. in our case, we upgraded from
8.5 and saw RAM utilization go from around 70-74% to over 90%. this
is on RE-400s with 768 MB RAM, each with a full route view. we are
now awaiting delivery of  recently purchased RE-850s with 1536 MB RAM. :-)

On 3/3/2009 10:40 AM, Firth,MJC,Michael,DMJ R wrote:
> I don't think it is, though the recommendations aren't clear.
> 
> If you have a flash card, it has to be 1GB, rather than 256MB, but I don't think having a flash card is mandatory (but it is advisable, particularly in an M7i, which only has one RE)
> 
> Michael
> 
> -----Original Message-----
> From: Matthias Gelbhardt <matthias at commy.de>
> Sent: 03 March 2009 15:47
> To: David Ball <davidtball at gmail.com>
> Cc: juniper-nsp <juniper-nsp at puck.nether.net>
> Subject: Re: [j-nsp] New flash card in M7i
> 
> So what is the reason, that the flash card as primary boot device is  
> now obligatory?
> 
> Regards,
> 
> Matthias
> 
> Am 03.03.2009 um 16:39 schrieb David Ball:
> 
>>  Once installed, your router won't boot from it, since it's blank, so
>> will boot from HD as normal.  Then you should be able to issue
>> 'request system snapshot partition' (ie. copy main contents of hard
>> disk to flash drive).  From that point on, the CF will be your primary
>> boot medium.  Any code upgrades from then on will occur on the CF
>> card, so to back up that code and config in the future, you'd issue
>> 'request system snapshot' to copy them to the HD, which is now your
>> 'alternative' boot medium.
>>
>> David
>>
>> 2009/3/3 Matthias Gelbhardt <matthias at commy.de>:
>>> Hi!
>>>
>>> I would like to add a new 1 GB CF card in a M7i. I assume, there is  
>>> none in
>>> that device at the moment:
>>>
>>> Filesystem              Size       Used      Avail  Capacity    
>>> Mounted on
>>> /dev/ad1s1a             217M        98M       102M       49%  /
>>> devfs                   1.0K       1.0K         0B      100%  /dev
>>> devfs                   1.0K       1.0K         0B      100%  /dev/
>>> /dev/md0                 23M        23M         0B      100%
>>>  /packages/mnt/jbase
>>> /dev/md1                 80M        80M         0B      100%
>>>  /packages/mnt/jkernel-8.5R3.4
>>> /dev/md2                8.8M       8.8M         0B      100%
>>>  /packages/mnt/jpfe-M7i-8.5R3.4
>>> /dev/md3                3.5M       3.5M         0B      100%
>>>  /packages/mnt/jdocs-8.5R3.4
>>> /dev/md4                 28M        28M         0B      100%
>>>  /packages/mnt/jroute-8.5R3.4
>>> /dev/md5                8.8M       8.8M         0B      100%
>>>  /packages/mnt/jcrypto-8.5R3.4
>>> /dev/md6                 37M        37M         0B      100%
>>>  /packages/mnt/jpfe-common-8.5R3.4
>>> /dev/md7                504M       8.0K       463M        0%  /tmp
>>> /dev/md8                504M       470K       463M        0%  /mfs
>>> /dev/ad1s1e              24M        20K        22M        0%  /config
>>> procfs                  4.0K       4.0K         0B      100%  /proc
>>> /dev/ad1s1f              18G       542M        16G        3%  /var
>>>
>>> So I need one to update to 9.3R2.
>>>
>>> Do I have to prepare the CF before injecting it into the router?  
>>> Does it
>>> have to be formatted?
>>>
>>> Regards,
>>>
>>> Matthias
>>> _______________________________________________
>>> juniper-nsp mailing list juniper-nsp at puck.nether.net
>>> https://puck.nether.net/mailman/listinfo/juniper-nsp
>>>
> 
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