Michael Osipov <1983-01...@gmx.net> wrote: > Am 2016-10-13 um 03:41 schrieb John-Mark Gurney: > > Michael Osipov wrote this message on Wed, Oct 12, 2016 at 20:54 > > +0200: > >> As if there is a bottleneck between socket read and geom write to FS. > >> > >> Is that better? > > > > Have you run gstat on the system to see if there is an IO bottle > > neck? Since you are using graid3, you want to look to see if > > it's %busy is ~100, while the underlying components are not. > > This is hardly impossible because as soon as I start some SFTP transfer, > all of my SSH sessions free or receive connetion timeout/abort. Doing a > SFTP from FreeBSD to FreeBSD gives me on both physical disks and RAID3 > volume a busy of zero to one perfect. In other terms, the drives are > bored.
Try checking the FAIL and SLEEP columns in the "vmstat -z" output. This could be related to: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=209680#c2 Fabian
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