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Oracle Linux 7.7 - kernel:Write-error on swap-device

edited May 27, 2020 10:01AM in Oracle VM (OVM) (MOSC) 5 comments

Hi,

I recently needed to extend the swap partition on one server.

For that to be done, I've performed the following steps:

- created a new LUN on my SAN

- added that LUN as a physical disc to the VM (Oracle VM)

# fdisk /dev/xvde (primary, full disk, 8e)

# vgextend vgSYS /dev/xvde1

# swapoff -va /dev/vgSYS/swap

# lvresize -L +8G /dev/vgSYS/swap

# mkswap /dev/vgSYS/swap

# swapon -va /dev/vgSYS/swap

# cat /proc/swaps (and everything looks fine at that time...)

Yesterday I found thousands of messages saying "kernel:Write-error on swap-device"

I've no clue of what can be wrong with this, also the servers keeps running apparently without any major issue other than this messages.

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