On 5/15/20 2:41 PM, Patrick O'Callaghan wrote:
On Fri, 2020-05-15 at 22:35 +0100, Patrick O'Callaghan wrote:
echo check > /sys/block/md127/md/sync_action
That's giving "permission denied" even with sudo, and with setenforce
set to 'off'.
First, is that the right md number?
But also, you can't do that with sudo directly.
"sudo echo check > /sys/block/md127/md/sync_action" will try opening the
"file" with your user permissions which won't work. It's easier to just
do "sudo -i" to become root, then run the command.
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