Date: Thu, 29 Apr 2010 09:50:28 +0100 From: Pete French <petefrench@ticketswitch.com> To: mav@FreeBSD.org Cc: freebsd-scsi@freebsd.org, scottl@FreeBSD.org, freebsd-stable@freebsd.org Subject: Re: MFC of "Large set of CAM improvements" breaks I/O to Adaptec 29160 SCSI controller Message-ID: <E1O7PS0-00093c-9M@dilbert.ticketswitch.com> In-Reply-To: <4BD896AC.4080509@FreeBSD.org>
next in thread | previous in thread | raw e-mail | index | archive | help
> Thanks. First step successful - I can steadily reproduce problem on > CURRENT. raidtest with 200 I/O streams over gmirror of two disks on same > channel triggers issue in seconds. Any I/O on channel dying after both > disks report "Queue full" error same time. The rest of system works > fine. If I preliminarily manually adjust queue depth of one disk - > everything works fine. I'll investigate it tomorrow. Glad you have managed to dupliate it - the queue depth thing is inetersting, what changes did you make ? I can try them here and see if they improve the situation on either of my two machines. -pete.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?E1O7PS0-00093c-9M>