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0 sats \ 1 reply \ @anon 7 Feb \ on: Node xmrk closing down - for now at least lightning
zfs cache is for read, all writes go to disk.... at least every 5 sec. reboot -f could give you some trouble. just a head up. Good luck!
yes, zfs cache doesn't seem sufficient to explain my problem. I was running with
sync=standard, so ZFS should have honored fsyncs.But there are write caches of the disks themselves. Just today I tried https://brad.livejournal.com/2116715.html. Created a new 5 GB zpool using the same two SSD disks, turned off compression and atime, did
sync; reboot -f to simulate my case. And diskchecker showed no errors, even though both disks report write cache enabled (hdparm -I).reply