Le Tue, 18 Mar 2014 11:18:04 +0100
Marko Weber|8000 <weber@xxxxxxxxxx> écrivait:
> i am barely new to this issue. What would you xfs guys recommend me?
> i prefer things i can do with kernel, so its dm-cache? bcache?
The easier will be bcache because it comes included with the kernel.
> the raid is an raid5 with 3 disks at moment. xfs filesystem.
> do i have to format it again and set special things?
No, only the cache itself must be reformatted.
> i use nobarrier at moment,
if you're not using a hardware RAID controller with a battery-backed or
flash-based cache, it may be risky. Depends mostly on your write
activity and power supply stability, though.
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