Roger, et al -- ...and then Roger Heflin said... ... % % I use LVM on a 4 section raid built very similar to his, except mine % is a linear lvm so no raid0 seek issues. Got any pointers to instructions? % % I think we need to see a grep -E 'md5|sdk' /var/log/messages to see % where sdk went. [snip] Oops! I knew I had overlooked something. Not much to see, though :-/ diskfarm:~ # for M in /var/log/messages-* ; do echo $M ; xz -d $M | egrep 'md5|sdk' ; echo '' ; done /var/log/messages-20221109.xz /var/log/messages-20221112.xz /var/log/messages-20221115.xz /var/log/messages-20221118.xz /var/log/messages-20221121.xz /var/log/messages-20221124.xz diskfarm:~ # egrep 'md5|sdk' /var/log/messages 2022-11-24T03:00:35.886257+00:00 diskfarm smartd[1766]: Device: /dev/sdk [SAT], starting scheduled Short Self-Test. 2022-11-24T03:30:32.154462+00:00 diskfarm smartd[1766]: Device: /dev/sdk [SAT], previous self-test completed without error Thanks again :-D -- David T-G See http://justpickone.org/davidtg/email/ See http://justpickone.org/davidtg/tofu.txt