Date: Thu, 18 Dec 2014 20:30:43 +0100 From: "Nagy, Attila" <bra@fsn.hu> To: Adam McDougall <mcdouga9@egr.msu.edu>, freebsd-stable@freebsd.org Subject: Re: geom_multipath and zfs doesn't work Message-ID: <54932B63.5030207@fsn.hu> In-Reply-To: <549312F6.1070007@egr.msu.edu> References: <5493090D.2030406@fsn.hu> <549312F6.1070007@egr.msu.edu>
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Hi, On 12/18/14 18:46, Adam McDougall wrote: > On 12/18/2014 12:04, Nagy, Attila wrote: >> Running stable/10@r273159 on FC disks (through isp) I can't create a zfs >> pool. >> >> gstat shows that there is one uncompleted read IO on multipath/sas0 and >> the queue length constantly grows on da0: >> # gstat -b >> dT: 1.030s w: 1.000s >> L(q) ops/s r/s kBps ms/r w/s kBps ms/w %busy Name >> 124402 146 0 0 0.0 0 0 0.0 100.5 da0 >> I can use these devices finely with dd. >> >> What's going on here? > I have a hunch. Try sysctl vfs.zfs.vdev.trim_on_init=0 before zpool create? > Bingo, that's it. If I disable this, zpool create returns immediately. BTW, zpool create took 1 hour and 11 minutes with the default value... Thank you very much for the quick response!
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