Actually there was a firmware bug around that a while back. The HBA and storcli claimed to not touch drive cache, but actually were enabling it and lying. > On Apr 19, 2023, at 1:41 PM, Marco Gaiarin <gaio@xxxxxxxxxxxxxxxxx> wrote: > > Mandi! Mario Giammarco > In chel di` si favelave... > >> The disk cache is: > > If the controller does not lie, disk cache is disabled, see my previous > messages. > > >> The controller cache: > > Manual say that for Non-RAID/Automatic RAID0 disks, «The only supported > cache policy for non???RAID disks is Write-Through»; so , AFAIK, disabled. > > https://dl.dell.com/content/manual61357984-dell-poweredge-raid-controller-11-user-s-guide-perc-h755-adapter-h755-front-sas-h755n-front-nvme-h755-mx-adapter-h750-adapter-sas-h355-adapter-sas-h355-front-sas-h350-adapter-sas-h350-mini-monolithic-sas.pdf?language=en-us > > > reading through the controller docs, seems to me that there's very little to > tackle... > > -- > Il mondo del calcio sta andando a puttane! > Perché, hanno finito le letterine? (Marco Citi) > > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx