On some products the pci enumeration adds randomness into which nic gets
initialized first.
Because SONiC doesn't use deterministic interface naming but instead old
style interface naming, this leads to eth0 not always being the
management port.
To make sure eth0 is always the management port (SONiC expectation)
rename the interfaces in the initramfs for Arista products.
# Why I did it
Reduce the disk space taken up during bootup and runtime.
# How I did it
1. Remove python package cache from the base image and from the containers.
2. During bootup, if logs are to be stored in memory, then don't create the `var-log.ext4` file just to delete it later during bootup.
3. For the partition containing `/host`, don't reserve any blocks for just the root user. This just makes sure all disk space is available for all users, if needed during upgrades (for example).
* Remove pip2 and pip3 caches from some containers
Only containers which appeared to have a significant pip cache size are
included here.
Signed-off-by: Saikrishna Arcot <sarcot@microsoft.com>
* Don't create var-log.ext4 if we're storing logs in memory
Signed-off-by: Saikrishna Arcot <sarcot@microsoft.com>
* Run tune2fs on the device containing /host to not reserve any blocks for just the root user
Signed-off-by: Saikrishna Arcot <sarcot@microsoft.com>
When mounting the partition that contains `/host` during initramfs, the
mount binary available there (coming from busybox) tries each filesystem
in `/proc/filesystems` and sees which one succeeds. During this time,
there may be some error messages logged into dmesg because some of the
incorrect filesystems failed to mount the partition.
Specify the filesystem type explicitly so that initramfs knows it's that
type, and we know what filesystem will always get used there.
Fixes#9998
Signed-off-by: Saikrishna Arcot <sarcot@microsoft.com>
Master/202012 image size grew quite a bit. 3.7G harddrive can no longer hold one image and safely upgrade to another image. Every bit of harddrive space is precious to save now.
Also sh syntax seemingly changed, [ condition ] && action was a legit syntax in 201911 branch but it is an error when condition not met with 202012 or later images. Change the syntax to if statement to avoid the issue.
Signed-off-by: Ying Xie ying.xie@microsoft.com
A few issues where discovered with crashkernel on Arista platforms.
1) platforms using `docker_inram=on` would end up OOM in kdump environment.
This happens because the same initramfs is used by SONiC and the crashkernel.
With `docker_inram=on` the `dockerfs.tar.gz` is extracted in a `tmpfs` created for the occasion.
Since `dockerfs.tar.gz` weights more than 1.5G, it doesn't fit into the kdump environment and ends up OOM.
This OOM event can in turn trigger a panic.
2) Arista platforms with `secureboot` enabled would fail to load the crashkernel because the kernel parameter would be discarded on boot.
This happens because the `boot0` in secureboot mode is strict about kernel parameter injection.
3) The secureboot path allowlist would remove kernel crash reports.
4) The kdump service would fail on Arista products since `/boot/` is empty in `secureboot`
**- How I did it**
1) To prevent an OOM event in the crashkernel the fix is to avoid the codepaths in `union-mount` that create tmpfs and populate them. Some more codepath specific to Arista devices are also skipped to make the kdump process faster.
This relies on detecting that the initramfs is starting in a kdump environment and skipping some initialization.
The `/usr/sbin/kdump-config` tool appends a few kernel cmdline arguments when loading the crashkernel.
The most unique one is `systemd.unit=kdump-tools.service` which is used in a few initramfs hooks to set `in_kdump`.
2) To allow `kdump` to work in `secureboot` environment the cmdline generation in boot0 was slightly modified.
The codepath to load kernel parameters changed by SONiC is now running for booting in secure mode.
It was altered to prevent an append only behavior which would grow the `kernel-cmdline` at every reboot.
This ever growing behavior would lead `kexec` to fail to load the kernel due to a too long cmdline.
3) To get the kernel crash under /var/crash this path has to be added to `allowlist_paths`
4) The `/host/image-XXX/boot` folder is now populated in `secureboot` mode but not used.
**- How to verify it**
Regular boot:
- enable kdump
- enable docker_inram=on via kernel-params
- reboot
- generate a crash `echo c > /proc/sysrq-trigger`
- before: witness OOM events on the console
- after: crash kernel works and crash available under /var/crash
Secure boot:
- enable kdump
- reboot
- generate a crash `echo c > /proc/sysrq-trigger`
- before: witness no kdump
- after: crash kernel works and crash available under /var/crash
Co-authored-by: Boyang Yu <byu@arista.com>
In order to install a SONiC image on top of a NVMe SSD disc properly with ONIE we must configure it properly on the installer.sh script.
Signed-off-by: Shlomi Bitton <shlomibi@nvidia.com>
The first partition starting point was changed to be 1M as part of this
commit: 6ba2f97f1e. On systems that are misaligned before conversion
(partition start is the first sector), the relica partition that is
left in the first MB can cause problems in Aboot and result in corruption
of the filesystem on the new aligned partition.
Zeroing this old relica makes sure that there is nothing left of the old
partition lying around. There won't be any risk of having Aboot corrupt
the new filesystem because of the old relica.
Signed-off-by: Baptiste Covolato <baptiste@arista.com>
* Add secureboot support in boot0
* Initramfs changes for secureboot on Aboot devices
* Do not compress squashfs and gz in fs.zip
It doesn't make much sense to do so since these files are already
compressed.
Also not compressing the squashfs has the advantage of making it
mountable via a loop device.
* Add loopoffset parameter to initramfs-tools
While migrating to SONiC 20181130, identified a couple of issues:
1. union-mount needs /host/machine.conf parameters for vendor specific checks : however, in case of migration, the /host/machine.conf is extracted from ONIE only in https://github.com/Azure/sonic-buildimage/blob/master/files/image_config/platform/rc.local#L127.
2. Since grub.cfg is updated to have net.ifnames=0 biosdevname=0, 70-persistent-net.rules changes are no longer required.
* Support rw files allowlist for Sonic Secure Boot
* Improve the performance
* fix bug
* Move the config description into a md file
* Change to use a simple way to remove the blank line
* Support chmod a-x in rw folder
* Change function name
* Change some unnecessary words
* Run fsck filesystem check support prior mounting filesystem
If the filesystem become non clean ("dirty"), SONiC does not run fsck to
repair and mark it as clean again.
This patch adds the functionality to run fsck on each boot, prior to the
filesystem being mounted. This allows the filesystem to be repaired if
needed.
Note that if the filesystem is maked as clean, fsck does nothing and simply
return so this is perfectly fine to call fsck every time prior to mount the
filesystem.
How to verify this patch (using bash):
Using an image without this patch:
Make the filesystem "dirty" (not clean)
[we are making the assumption that filesystem is stored in /dev/sda3 - Please adjust depending of the platform]
[do this only on a test platform!]
dd if=/dev/sda3 of=superblock bs=1 count=2048
printf "$(printf '\\x%02X' 2)" | dd of="superblock" bs=1 seek=1082 count=1 conv=notrunc &> /dev/null
dd of=/dev/sda3 if=superblock bs=1 count=2048
Verify that filesystem is not clean
tune2fs -l /dev/sda3 | grep "Filesystem state:"
reboot and verify that the filesystem is still not clean
Redo the same test with an image with this patch, and verify that at next reboot the filesystem is repaired and becomes clean.
fsck log is stored on syslog, using the string FSCK as markup.
Fix the issue of incorrectly skipping the convertfs hook when fast-reboot from EOS, by adding an extra kernel cmdline param "prev_os" to differentiate fast-reboot from EOS and from SONiC.
This is because we still do disk conversion for fast reboot from eos to sonic, like format the disk.
* [initramfs] Updated reuired tools for initramfs
Signed-off-by: Antony Rheneus <arheneus@marvell.com>
* [initramfs] Updated required tools for initramfs
Signed-off-by: Antony Rheneus <arheneus@marvell.com>
* [Platform] [Marvell] Platform specific debian package for et6448m device
Signed-off-by: Antony Rheneus <arheneus@marvell.com>
* Removed auto-generated files
Signed-off-by: Antony Rheneus <arheneus@marvell.com>
* [initramfs] Added mtd and uboot firmware tools package required for arm arch
Its been enabled to all arch including amd64
Signed-off-by: Antony Rheneus <arheneus@marvell.com>
* [initramfs] Added mtd and uboot firmware tools package required for arm arch
Its been enabled to all arch including amd64
Signed-off-by: Antony Rheneus <arheneus@marvell.com>
* [initramfs] Marvell arm modules update and platform config update
Signed-off-by: Antony Rheneus <arheneus@marvell.com>
* [iniramfs] add initramfs uboot-utils hook script only for ARM
Signed-off-by: Antony Rheneus <arheneus@marvell.com>
when device disk is small, do not unzip dockerfs.tar.gz on disk.
keep the tar file on the disk, unzip to tmpfs in the initrd phase.
enabled this for 7050-qx32
Signed-off-by: Guohan Lu <gulv@microsoft.com>
* [ARISTA] adding 7060_cs32s to eMMC exclusions
Following PR 2774 we added the 7060-cx32s according to the guidelines of
PR 2780
This adds the 7060-cx32s to the list f devices that mount /var/log as a
tmpfs to mitigate eMMC wearout
Signed-off-by: Michel Moriniaux <m.moriniaux@criteo.com>
* [ARISTA] adding 7060_cs32s to eMMC exclusions
Following PR 2774 we added the 7060-cx32s according to the guidelines of
PR 2780
This adds the 7060-cx32s to the list f devices that mount /var/log as a
tmpfs to mitigate eMMC wearout
Signed-off-by: Michel Moriniaux <m.moriniaux@criteo.com>
SONiC is a heavy writer to /var/log partition, we noticed that this
behavior causes certain flash drive to become read-only over time.
To avoid this issue, we mount /var/log parition on these devices as
tmpfs.
- Mount /var/log as tmpfs
- /var/log default size is 128M
- Adjust size according to existing var-log.ext4 file size.
- Adjust size to between 5% to 10% of total memory size.
Signed-off-by: Ying Xie <ying.xie@microsoft.com>
We are going to use initramfs hook for firmware upgrades
To install Arista hook:
- create folder /mnt/flash/<image dir>/platform/hooks/boot1/ from Aboot or
/host/<image dir>/platform/hooks/boot1/ from Sonic
- add executable script to created folder
* Update arista drivers submodule
* Ignore the possible timestamp warning in tar extraction
* Add verbosity toggle to boot0
Console logging is slow because of the 9600 baud rate.
Some time can be saved by decreasing the console verbosity.
* Add hook mechanism in boot0.
Support additional features in boot0 via hooks.
Hooks are unpacked and executed at post-install or pre-exec time.
* Fix 7170 sensors.conf file
Fix critical temperature settings for MAX6658 sensors
* Fix the random swap of storage devices
For arista 7050 switches running with linux 4.9, it is likely the device
name of flash drive (/dev/sda) and usb (/dev/sdb) randomly swap in kernel
booting, depending on which one is ready first. It breaks the expectation
that flash will be mounted as root by setting root=/dev/sda1. This patch
will correct ROOT to flash device refering to the path under block_flash.
* Fix 7170 fancontrol
* Do not remove aquota.user file in boot0
This file is a filesystem protected file used by EOS.
It can be simply removed and will make the SONiC installation failed if
not skipped.
Flashes used for the 7050QX-32 and 7050QX-32S have a fw issue.
The best option to solve the problem is to upgrade to a newer firmware.
However this can only be done while in memory and take 10 seconds.
Adding an upgrade mechanism is possible but would need more
consideration as flashing the firmware and reformating the flash will
exceed the fast-reboot requirements.
A quick mitigation is to align the ext4 partition that we create on
these vfat based system on a 4k boundary.
Here we chose 1M instead but it's the same.
Newer version of sfdisk do this automatically but the one in SONiC
today doesn't have this behavior.
This workaround will only reduce the pace of the flash health
degradation. The only long term fix is to flash the firmware.
* Update sensors.conf for 7050QX-32 and 7050QX-32S
These two platforms were using a previous version of a kernel driver.
The new one names the i2c buses differently.
We therefore need to rename them here.
* Fix the default minigraph for the 7050QX-32S
The interface offset is invalid which makes sonic-cfggen generate an
invalid config_db.jon in rc.local.
This config then silently makes orchagent/syncd fail.
* Use the partition on which sonic-aboot.swi is
Instead of always assuming /mnt/flash, use the partition where the image
to be installed lies.
This allow for the image to be on any partition.
* Support OS9 -> SONiC fast-reboot migration
* Address review comments. Update NOS mac in EEPROM and net.rules for eth0
* Address review comments. Update sonic-platform-modules-dell to fac81d...
* Fix script for POSIX compliance
* Reduce SONiC migration partition from 8G to 1G.
* Changes to create 1G partition with ability to resize post migration.
* Remove redundant changes in varlog
* Use findfs to interpret root. Move resize in case cmdline params are reordered
* Bump sonic-platform-modules-arista
Improves i2c performance for xcvrs
Fix the led_plugin by ignoring unknown ports
Miscellaneous improvements
* Fix index column for Arista-7260CX3-D108C8
* Fix flash permissions for Arista platforms
The ext4 flash uses acl to properly handle permissions in EOS.
Aboot isn't built with this support and therefore can't be used
to set the flash permissions. It has to be deferred in sonic initrd.
moving to initramfs unifies disk allocate on different platforms.
use fallocate instead of dd to speed up the disk allocation.
By default, mkfs.ext4 has -E discard option which discards the blocks
at the mkfs time, also speed up the initialization time.
* Bump sonic-platform-modules-arista submodule
* Use sonic_sfputil plugin from the arista library
* Fix undefined variable varlog_size
* Prevent minigraph.xml to be removed from the flash
* Update DCS-7050QX-32 sensors config
On some platforms after the initramfs init scripts have mounted the root device its
block device disapear from /dev. The union-mount script therefore can't mount the
root device over the aufs. If this case happen, issue a rescan of the devices to
repopulate the /dev filesystem.
This commit will convert the existing file system of flash drive on Arista switches from VFAT to EXT4 in the booting of SONiC. It will take the whole flash and therefore remove the recovery partition. There is a check in the script making sure that the conversion operation will not happen on a non-Arista switch or if the existing file system is not VFAT.
