On Fri, Nov 09, 2007 at 11:28:27PM +0100, Henri Hennebert wrote: > Richard Arends wrote: > >On Fri, Nov 09, 2007 at 09:35:59PM +0100, Henri Hennebert wrote: > > > >>>This won't start the scrubs at the same time, but after each other. And > >>>the second will only start if the first one not fails (exitcode == 0) > >>> > >>Not at all, the scrub is asynchronious, I'm sure of it > > > >Running 2 commands seperated by && will not run at the same time. Scrub > >could be asynchronious, i don't know, but that has nothing to do with the > >way you are running it. > > > >See: echo "sleep 1" && time sleep 2 && echo "sleep 2" && time sleep 2 > >and: ls -l /notfound && echo yes > > Per the man page, zpool scrub *begin* a scrub witch go on in background, > so two scrubs are running simustaneously on 2 different pools. > > Henri Henri is 100% correct. zpool scrub kicks off a scrub which occurs in the background. I'm not sure I like this behavior that much, but it's not like it's my call :) lothos# zpool list NAME SIZE USED AVAIL CAP HEALTH ALTROOT tank 1.81T 368G 1.45T 19% ONLINE - lothos# time sh -c "zpool scrub tank && echo Done\?" Done? 0.000u 0.010s 0:04.35 0.2% 116+152k 14+0io 8pf+0w lothos# zpool status tank pool: tank state: ONLINE scrub: scrub in progress, 3.97% done, 0h40m to go config: NAME STATE READ WRITE CKSUM tank ONLINE 0 0 0 raidz1 ONLINE 0 0 0 ad4 ONLINE 0 0 0 ad5 ONLINE 0 0 0 ad6 ONLINE 0 0 0 ad7 ONLINE 0 0 0 errors: No known data errors ErikReceived on Fri Nov 09 2007 - 22:48:49 UTC
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