Re: NFS-exported ZFS instability

2013-02-03 Thread Rick Macklem
Andriy Gapon wrote: > on 30/01/2013 00:44 Andriy Gapon said the following: > > on 29/01/2013 23:44 Hiroki Sato said the following: > >> http://people.allbsd.org/~hrs/FreeBSD/pool-20130130.txt > >> http://people.allbsd.org/~hrs/FreeBSD/pool-20130130-info.txt > > > [snip] > > See tid 100153 (arc

Re: NFS-exported ZFS instability

2013-02-03 Thread Andriy Gapon
on 30/01/2013 00:44 Andriy Gapon said the following: > on 29/01/2013 23:44 Hiroki Sato said the following: >> http://people.allbsd.org/~hrs/FreeBSD/pool-20130130.txt >> http://people.allbsd.org/~hrs/FreeBSD/pool-20130130-info.txt > [snip] > See tid 100153 (arc reclaim thread), tid 100105 (page

Re: NFS-exported ZFS instability

2013-01-30 Thread Rick Macklem
Andriy Gapon wrote: > on 30/01/2013 01:06 Rick Macklem said the following: > > Andriy Gapon wrote: > >> on 29/01/2013 23:44 Hiroki Sato said the following: > >>> http://people.allbsd.org/~hrs/FreeBSD/pool-20130130.txt > >>> http://people.allbsd.org/~hrs/FreeBSD/pool-20130130-info.txt > >> > >>

Re: NFS-exported ZFS instability

2013-01-30 Thread Andriy Gapon
on 30/01/2013 01:06 Rick Macklem said the following: > Andriy Gapon wrote: >> on 29/01/2013 23:44 Hiroki Sato said the following: >>> http://people.allbsd.org/~hrs/FreeBSD/pool-20130130.txt >>> http://people.allbsd.org/~hrs/FreeBSD/pool-20130130-info.txt >> >> I recognize here a ZFS ARC deadloc

Re: NFS-exported ZFS instability

2013-01-29 Thread Rick Macklem
Andriy Gapon wrote: > on 29/01/2013 23:44 Hiroki Sato said the following: > > http://people.allbsd.org/~hrs/FreeBSD/pool-20130130.txt > > http://people.allbsd.org/~hrs/FreeBSD/pool-20130130-info.txt > > I recognize here a ZFS ARC deadlock that should have been prevented by > r241773 > and its

Re: NFS-exported ZFS instability

2013-01-29 Thread Andriy Gapon
on 29/01/2013 23:44 Hiroki Sato said the following: > http://people.allbsd.org/~hrs/FreeBSD/pool-20130130.txt > http://people.allbsd.org/~hrs/FreeBSD/pool-20130130-info.txt I recognize here a ZFS ARC deadlock that should have been prevented by r241773 and its MFCs (r242858 for 9, r242859 for 8

Re: NFS-exported ZFS instability

2013-01-29 Thread Hiroki Sato
Hiroki Sato wrote in <20130104.023244.472910818423317661@allbsd.org>: hr> Konstantin Belousov wrote hr> in <20130102174044.gb82...@kib.kiev.ua>: hr> hr> ko> > I might take a closer look this evening and see if I can spot anything hr> ko> > in the log, rick hr> ko> > ps: I hope Alan and K

Re: NFS-exported ZFS instability

2013-01-03 Thread Hiroki Sato
Konstantin Belousov wrote in <20130102174044.gb82...@kib.kiev.ua>: ko> > I might take a closer look this evening and see if I can spot anything ko> > in the log, rick ko> > ps: I hope Alan and Kostik don't mind being added to the cc list. ko> ko> What I see in the log is that the lock cascade r

Re: NFS-exported ZFS instability

2013-01-03 Thread Hiroki Sato
Rick Macklem wrote in <1914428061.1617223.1357133079421.javamail.r...@erie.cs.uoguelph.ca>: rm> Hiroki Sato wrote: rm> > Hello, rm> > rm> > I have been in a trouble about my NFS server for a long time. The rm> > symptom is that it stops working in one or two weeks after a boot. I rm> > could no

Re: NFS-exported ZFS instability

2013-01-02 Thread Konstantin Belousov
On Wed, Jan 02, 2013 at 08:24:39AM -0500, Rick Macklem wrote: > Hiroki Sato wrote: > > Hello, > > > > I have been in a trouble about my NFS server for a long time. The > > symptom is that it stops working in one or two weeks after a boot. I > > could not track down the cause yet, but it is reprodu

Re: NFS-exported ZFS instability

2013-01-02 Thread Rick Macklem
Hiroki Sato wrote: > Hello, > > I have been in a trouble about my NFS server for a long time. The > symptom is that it stops working in one or two weeks after a boot. I > could not track down the cause yet, but it is reproducible and only > occurred under a very high I/O load. > > It did not pani

Re: NFS-exported ZFS instability

2013-01-01 Thread Perry Hutchison
Hiroki Sato wrote: > I have been in a trouble about my NFS server for a long time. > The symptom is that it stops working in one or two weeks after > a boot ... It did not panic, just stopped working---while it > responded to ping, userland programs seemed not working ... > Does anyone see

NFS-exported ZFS instability

2013-01-01 Thread Hiroki Sato
Hello, I have been in a trouble about my NFS server for a long time. The symptom is that it stops working in one or two weeks after a boot. I could not track down the cause yet, but it is reproducible and only occurred under a very high I/O load. It did not panic, just stopped working---wh