Date: Thu, 29 Apr 2010 06:17:21 +1000 From: Andy Farkas <chuzzwassa@gmail.com> To: Alexander Motin <mav@freebsd.org> Cc: freebsd-scsi@freebsd.org, Pete French <petefrench@ticketswitch.com> Subject: Re: MFC of "Large set of CAM improvements" breaks I/O to Adaptec 29160 SCSI controller Message-ID: <o2nff80e6381004281317pbdff48f5rb39037317bfa9fdf@mail.gmail.com> In-Reply-To: <4BD896AC.4080509@FreeBSD.org> References: <E1O7AGM-0005ux-8E@dilbert.ticketswitch.com> <4BD896AC.4080509@FreeBSD.org>
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2010/4/29 Alexander Motin <mav@freebsd.org>: > Pete French wrote: >>> I have some 29160N locally and I'll try to reproduce this. >> >> I would suggest you try gmirror across two drives - that is how >> both myself and the original poster first noticed the issue. > > 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. > > -- > Alexander Motin > Thanks. Look forward to any results. -andyf
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