Date: Thu, 18 Dec 2014 12:46:30 -0500 From: Adam McDougall <mcdouga9@egr.msu.edu> To: freebsd-stable@freebsd.org Subject: Re: geom_multipath and zfs doesn't work Message-ID: <549312F6.1070007@egr.msu.edu> In-Reply-To: <5493090D.2030406@fsn.hu> References: <5493090D.2030406@fsn.hu>
next in thread | previous in thread | raw e-mail | index | archive | help
On 12/18/2014 12:04, Nagy, Attila wrote: > Hi, > > Running stable/10@r273159 on FC disks (through isp) I can't create a zfs > pool. > > What I have is a simple device, accessible on /dev/multipath/sas0, > backed by da0 and da4: > # gmultipath status > Name Status Components > multipath/sas0 OPTIMAL da0 (ACTIVE) > da4 (READ) > > When I issue a > zpool create data /dev/multipath/sas0 > command, zpool starts to eat 100% CPU: > # procstat -k 3924 > PID TID COMM TDNAME KSTACK > 3924 100128 zpool - <running> > > 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?
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?549312F6.1070007>