Hello,
I have a 3 nodes cluster PVE versión: pve-manager/5.1-41/0b958203 (running
kernel: 4.13.13-2-pve) with ceph.
Each node 2x 300GB SAS (Raid 1) for system and 3 x 600GB SAS 15krpm for
ceph, the ceph has been created on a 10GB network card.
OSD config are:
osd journal size = 5120
osd pool default min size = 2
osd pool default size = 3
We are observing sometime the IO delay goes up to 3-5%, in these cases the
VMs are blocked for a few seconds.
Any idea why these IO rises and VM blocking¿?
Regards,
Raul.
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