EMC branded Mellanox SX60xx switch - Revision history

Adj: /* Reboot into MLNX-OS */

2022-04-25T21:09:30Z

Reboot into MLNX-OS

← Older revision		Revision as of 21:09, 25 April 2022
Line 1,101:		Line 1,101:
	Hit any key to stop autoboot: 0		Hit any key to stop autoboot: 0
	=> '''setenv rootdev /dev/mtdblock7'''		=> '''setenv rootdev /dev/mtdblock7'''
	=> '''setenv ~~bootargs~~ loglevel=2'''		=> '''setenv image_kernel_args loglevel=2'''
	=> '''setenv jffs2_args "setenv bootargs root=${rootdev} rootfstype=jffs2 rw reset_button=${reset_button} ${image_kernel_args} ${extra_args}"'''		=> '''setenv jffs2_args "setenv bootargs root=${rootdev} rootfstype=jffs2 rw reset_button=${reset_button} ${image_kernel_args} ${extra_args}"'''
	=> '''run mlxlinux'''		=> '''run mlxlinux'''

2022-04-25T15:02:38Z

MLNX-OS preparation

← Older revision		Revision as of 15:02, 25 April 2022
Line 850:		Line 850:

	Extract a working version of the OS image like so:		Extract a working version of the OS image like so:
	$ '''wget http://www.mellanox.com/downloads/Software/image-PPC_M460EX-3.6.~~8010~~.img'''		$ '''wget http://www.mellanox.com/downloads/Software/image-PPC_M460EX-3.6.1002.img'''
	[...]		[...]
	$ '''mkdir Mlnx-OS-3.6.1002'''		$ '''mkdir Mlnx-OS-3.6.1002'''
Line 857:		Line 857:
	[...]		[...]
	$		$
	<code>tar</code> is run as root so that device nodes and permissions are restored correctly at extract time.		<code>tar</code> is run as root so that device nodes and permissions are restored correctly at extract time. <code>--numeric-owner</code> tells tar not to translate the Mlnx-OS user and group names to the host OS's equivalents.

	===== Let's save some space! =====		===== Let's save some space! =====

2022-04-21T02:28:03Z

MLNX-OS preparation

← Older revision		Revision as of 02:28, 21 April 2022
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	$ '''mkdir Mlnx-OS-3.6.1002'''		$ '''mkdir Mlnx-OS-3.6.1002'''
	$ '''cd Mlnx-OS-3.6.1002'''		$ '''cd Mlnx-OS-3.6.1002'''
	$ '''unzip -p ../image-PPC_M460EX-3.6.1002.img image-PPC_M460EX-ppc-m460ex-20160609-202426.tgz \| gzip -dc \| sudo tar xvvpf -'''		$ '''unzip -p ../image-PPC_M460EX-3.6.1002.img image-PPC_M460EX-ppc-m460ex-20160609-202426.tgz \| gzip -dc \| sudo tar xvvpf - --numeric-owner'''
	[...]		[...]
	$		$

2022-04-21T02:12:32Z

Cleaning out the flash

← Older revision		Revision as of 02:12, 21 April 2022
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	switch-bootstrap:/# '''mount -t jffs2 /dev/mtdblock7 /mnt/root2'''		switch-bootstrap:/# '''mount -t jffs2 /dev/mtdblock7 /mnt/root2'''
	switch-bootstrap:/# '''mkdir -m 0 /mnt/root2/config /mnt/root2/var'''		switch-bootstrap:/# '''mkdir -m 0 /mnt/root2/config /mnt/root2/var'''
	switch-bootstrap:/# '''mount -f jffs2 /dev/mtdblock8 /mnt/root2/config'''		switch-bootstrap:/# '''mount -t jffs2 /dev/mtdblock8 /mnt/root2/config'''
	switch-bootstrap:/# '''mount -t jffs2 /dev/mtdblock9 /mnt/root2/var'''		switch-bootstrap:/# '''mount -t jffs2 /dev/mtdblock9 /mnt/root2/var'''
	switch-bootstrap:/# '''busybox df -m /dev/mtdblock[789]'''		switch-bootstrap:/# '''busybox df -m /dev/mtdblock[789]'''

2022-04-20T23:47:59Z

User-mode stuffs (making a switch bootstrap OS taking bits from MLNX-OS)

← Older revision		Revision as of 23:47, 20 April 2022
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	=> '''run mlxlinux'''		=> '''run mlxlinux'''

			(none) login: '''root'''
⚫	switch-bootstrap:/#
			Password: '''changeme'''
			login[859]: root login on 'ttyS0'
		⚫	switch-bootstrap:~#

	And there's a root shell prompt in a very basic Linux OS running on the switch. The jiggering with getty in the inittab lets us have a fully configured terminal to play around with. Job control and having Ctrl-C are both very nice things.		And there's a root shell prompt in a very basic Linux OS running on the switch. The jiggering with getty in the inittab lets us have a fully configured terminal to play around with. Job control and having Ctrl-C are both very nice things.

2022-04-20T23:28:05Z

User-mode stuffs (making a switch bootstrap OS taking bits from MLNX-OS)

← Older revision		Revision as of 23:28, 20 April 2022
Line 688:		Line 688:
	echo '::sysinit:/etc/init.d/rcS' >> etc/inittab		echo '::sysinit:/etc/init.d/rcS' >> etc/inittab
	echo '#::askfirst:/bin/sh' >> etc/inittab		echo '#::askfirst:/bin/sh' >> etc/inittab
	echo '#ttyS0:2345:respawn:/sbin/getty -L 9600 ttyS0 vt102' >> etc/inittab		echo 'ttyS0:2345:respawn:/sbin/getty -L 9600 ttyS0 vt102' >> etc/inittab
	echo '::respawn:cttyhack sh -~~lcat /etc~~' >> etc/inittab		echo '#::respawn:cttyhack sh -l' >> etc/inittab
	chmod 644 etc/inittab		chmod 644 etc/inittab

Line 704:		Line 704:

	# Set up the shell's environment		# Set up the shell's environment
	echo "PS1='switch-bootstrap:\w\$ '" > etc/profile		echo "PS1='switch-bootstrap:\w\\\$\ '" > etc/profile

	# Copy name make symlinks for shared libraries (ldconfig doesn't want to help here. :( )		# Copy name make symlinks for shared libraries (ldconfig doesn't want to help here. :( )

2019-02-28T18:31:37Z

Boot the switch into the EMC OS

← Older revision		Revision as of 18:31, 28 February 2019
Line 1,106:		Line 1,106:

	=== Boot the switch into the EMC OS ===		=== Boot the switch into the EMC OS ===
	We need this to get the ASIC up and running. So that a client system can connect to it. So that we can put new firmware onto the ASIC.		We need this to get the SwitchX ASIC up and running. So that a client system can connect to it. So that we can put new firmware onto the ASIC.

	=== Pre-reqs ===		=== Pre-reqs ===

2019-02-25T22:51:17Z

One last reboot (I promise!)

← Older revision		Revision as of 22:51, 25 February 2019
Line 1,211:		Line 1,211:
	=== One last reboot (I promise!) ===		=== One last reboot (I promise!) ===
	Now tell the switch to start MLNX-OS and watch it go! Interrupt the autoboot sequence and tell it to <code>'''run mlxlinux'''</code>. MLNX-OS should start. The Infiniband port should come to life. The bits will flow!		Now tell the switch to start MLNX-OS and watch it go! Interrupt the autoboot sequence and tell it to <code>'''run mlxlinux'''</code>. MLNX-OS should start. The Infiniband port should come to life. The bits will flow!

			== Switch configuration ==

			That's a whole other subject. Go see [[Mlnx-OS switch configuration]]

2019-02-25T18:26:20Z

Root logins are good!

← Older revision		Revision as of 18:26, 25 February 2019
Line 978:		Line 978:
	$ '''sudo chmod 600 etc/shadow'''		$ '''sudo chmod 600 etc/shadow'''
	$ '''sudo chown 0:0 etc/shadow'''		$ '''sudo chown 0:0 etc/shadow'''


	===== Ensure our nice, unlocked bootloader doesn't get replaced =====		===== Ensure our nice, unlocked bootloader doesn't get replaced =====

2019-02-25T18:25:45Z

Ensure our nice, unlocked bootloader doesn't get replaced

@@ Line 948: / Line 948: @@
           IFS=$oldifs
           mlx_check_err 0 "$num_swids" "cant parse number of swids"
 ===== Ensure our nice, unlocked bootloader doesn't get replaced =====