[linux-lvm] Cpy%Sync column - high disk activity after reboots

[Mathijs Kwik]

I'm sorry if I was unclear. But I'm not using writeback mode yet.
The period of disk activity after reboots occurs with writethrough mode.


> Hi
> 
> Cache is always flushing it's content to disk - so if you have the
> 'writeback' variant and there were some unwritten data which sits only
> in cache, they are automatically pushed to origin (cached) device -
> which is likely your disk activity.
> 
> Zdenek