Without (raid/jbod) controller ? Le mer. 8 nov. 2023 à 18:36, Peter <petersun@xxxxxxxxxxxx> a écrit : > Hi All, > > I note that HDD cluster commit delay improves after i turn off HDD cache. > However, i also note that not all HDDs are able to turn off the cache. > special I found that two HDD with same model number, one can turn off, > anther doesn't. i guess i have my system config or something different > setting with two HDDs. > Below is my command to turn off the HDD cache. > > root@lahost008:~# sdparm --set WCE=0 /dev/sdb > /dev/sdb: ATA ST10000NE000-3AP EN01 > root@lahost008:~# cat /sys/block/sdb/queue/write_cache > write through > > I also tried sdparm to run "sdparm --set WCE=0 /dev/sdb" I got the same > result. > > Anyone experienced this can advise? > > Thanks a lot > > > _______________________________________________ > 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
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