Archive for July, 2018

AWS NVME problem with kernel prior 4.9

Reference https://medium.com/@KimiHuang/upgrading-aws-ec2-instances-from-m4-to-m5-type-ad6413f9f4e9

 

sudo vim /boot/grub/grub.cfg
add nvme.io_timeout=4294967295 parameter in grub configuration
Example:
linux /boot/vmlinuz-4.4.0-1057-aws root=UUID=60d051e7-7afa-41f2-1e3-df75bd6ff8bb ro console=tty1 console=ttyS0 nvme.io_timeout=4294967295
cat /sys/module/nvme/parameters/io_timeout
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