Re: [Gluster-users] gfs vs nfs: abysmal performance difference

2009-05-26 Thread Paolo Pisati
Paolo Pisati wrote: Anand Avati wrote: Paolo, Do you have a core dump on your system (in /)? Can you get us a backtrace from it? > sudo gdb /usr/local/gfs/sbin/glusterfsd /glusterfsd.core [snip] or better, download the glusterfsd binary and core dump here: h

Re: [Gluster-users] gfs vs nfs: abysmal performance difference

2009-05-26 Thread Paolo Pisati
in event_dispatch (event_pool=0x800d1f0b0) at event.c:975 #18 0x004060e7 in main (argc=8, argv=0x7fffec40) at glusterfsd.c:1154 (gdb) -- Paolo Pisati Reparto Sistemi - ContactLab Via Natale Battaglia, 10 20127 Milano (Italy) Tel. +39 02 2

Re: [Gluster-users] gfs vs nfs: abysmal performance difference

2009-05-26 Thread Paolo Pisati
Paolo Pisati wrote: Anand Avati wrote: Can you post the client and server logs of this session? i'm doing a parallel build test now (make -j16), later i'll try bonnie again. where does gluster put its logs? never mind, i found the user guide: client: > sudo bonnie -

Re: [Gluster-users] gfs vs nfs: abysmal performance difference

2009-05-26 Thread Paolo Pisati
Anand Avati wrote: Can you post the client and server logs of this session? i'm doing a parallel build test now (make -j16), later i'll try bonnie again. where does gluster put its logs? -- Paolo Pisati Reparto Sistemi - ContactLab Via Natale Battaglia, 10 20127 Milano (

Re: [Gluster-users] gfs vs nfs: abysmal performance difference

2009-05-26 Thread Paolo Pisati
GFS File '/mnt/gfs/Bonnie.61618', size: 104857600 Writing with putc()...done Rewriting...done Bonnie: drastic I/O error (/mnt/gfs/Bonnie.61618): Input/output error any idea? -- Paolo Pisati Reparto Sistemi - ContactLab Via Natale Battaglia, 10 20127 Milano (I

Re: [Gluster-users] gfs vs nfs: abysmal performance difference

2009-05-25 Thread Paolo Pisati
end-volume volume server type protocol/server option transport-type tcp option auth.addr.brick.allow 10.0.0.* subvolumes brick end-volume -- Paolo Pisati Reparto Sistemi - ContactLab Via Natale Battaglia, 10 20127 Milano (Italy) Tel. +39 02 28 31 181 Fax +39 02 70 03 02 69. http

Re: [Gluster-users] another NFS vs glusterfs performance question

2009-05-22 Thread Paolo Pisati
Matt M wrote: This is a follow-up to my earlier email. I still haven't been able to figure out what the problem is, but if I turn off AFR between the servers, write performance improves to be about the same as NFS. I can send my config files again, but basically I comment out the afr sections a

Re: [Gluster-users] gfs vs nfs: abysmal performance difference

2009-05-11 Thread Paolo Pisati
Paolo Pisati wrote: Dear, we are evaluating Glusterfs as an alternative to NFS. I connected two boxes (a dell 2950 and a via epia) with a crossover cable: the via epia is the gfs server, the 2950 is the client, and both run freebsd 7.2. i forgot to say that i'm running glusterfs-2.0.0

[Gluster-users] gfs vs nfs: abysmal performance difference

2009-05-11 Thread Paolo Pisati
7:51 CEST 2009 Kernel build directory is /usr/obj/mnt/nfs/usr/src/sys/GENERIC >>> Kernel build for GENERIC completed on Mon May 11 11:23:13 CEST 2009 ~16mins are these numbers expected? anything i can do to tune gfs? -- Paolo Pisati Reparto Sistemi - ContactLab Via Natale Ba