On 2017-11-13 15:51, Zdenek Kabelac wrote: > Dne 13.11.2017 v 14:41 Alexander 'Leo' Bergolth napsal(a): >> I have a EL7 desktop box with two sata harddisks and two ssds in a >> LVM raid1 - thin pool - cache configuration. (Just migrated to this >> setup a few weeks ago.) >> >> After some days, individual processes start to block in disk wait. >> I don't know if the problem resides in the cache-, thin- or raid1-layer >> but the underlying block-devices are fully responsive. >> > It would be probably nice to see the result of 'dmsetup status' > > I'd have guessed you are probably hitting 'frozen' raid state > which is unfortunate existing upstream bug. As it just happened again, I have collected some additional info like dmsetup status dmsetup info -c (do the event counts look suspicious?) https://leo.kloburg.at/tmp/lvm-blocks/2017-11-16/ I don't see any volume in "frozen" state. I haven't rebooted the box yet. Maybe I provide some more info? Cheers, --leo -- e-mail ::: Leo.Bergolth (at) wu.ac.at fax ::: +43-1-31336-906050 location ::: IT-Services | Vienna University of Economics | Austria _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/