similar to: What does the value for "aio write size" and "aio read size" represent?

I'm trying to install samba-3.0.20 on aix 5.2, and I don't want to use aio, but the build process is compiling it in anyway. By default, it isn't supposed to build in aio support, but it does. When I pass --with-aio-support=no to configure, it also builds in support. It builds in aio support whether I use gcc or xlc. Here's what ldd shows: # ldd bin/smbd bin/smbd needs:

when installing samba from FreeBSD ports collection, I can choose AIO support, which leads to ... checking whether to support asynchronous io... yes checking for aio_read in -lrt... no checking for asynchronous io support... no checking for 64-bit asynchronous io support... no does it mean aio was not enabled ? Cheers, Ilia Chipitsine

I'm tuning a samba 4.3 install on freebsd and I'm confused about aio settings. I've loaded the freebsd aio kernel module and tried various values or aio read size and aio write size, but it seems to make no difference in the speed. Using MS diskspd against a samba share from a fast zfs pool I get something like 25MB/s tops. That's well below the capacity of my Gb network and

On Tue, Jul 19, 2016 at 12:42:53PM -0700, Jeremy Allison wrote: > On Tue, Jul 19, 2016 at 12:49:09PM -0500, Russell R Poyner wrote: > > I'm tuning a samba 4.3 install on freebsd and I'm confused about aio > > settings. > > > > I've loaded the freebsd aio kernel module and tried various values > > or aio read size and aio write size, but it seems to

hi, i'm trying to get the asynchronous file transfer to work on a FC4 for the latest samba verion (3.0.20b). The things i've done: ./configure --with-aio-support ... included "aio read size = 1" and "aio write size = 1" in the smb.conf file What did i forget?? michiel ========================= uname -a Linux wired11 2.6.12-1.1398_FC4 #1 Fri Jul 15 00:52:32 EDT

hi, i just have some questions about specific (uncommon) compile options and aio-settings in smb.conf: Asynchronous IO Support ======================= "Experimental support for async IO has been added to smbd for certain platforms. To enable this new feature, Samba must be compiled to include the --with-aio-support configure option. In addition, the "aio read size" and

Hello list, I setup Iometer to test AIO for 100% random read. If "Transfer Request Size" is more than or equal to 256 kilobytes,in the beginning the transmission is good. But 3~5 seconds later,the throughput will drop to zero. Server OS: Ubuntu Server 14.04.1 LTS Samba: Version 4.1.6-Ubuntu Dialect: SMB 2.0 AIO settings : aio read size = 1 aio write size = 1 vfs objects =

Maybe it''s something I''m doing wrong, but I have a 15gb image that I use with disk = [ "tap:aio:/root/images/vista32.img,hda,w" ] It was working fine on Friday, but today it failed to boot with an error message. The same works fine when I replace "tap:aio:" with "file:". It seems like qemu-dm tries to open the file with the "aio:" still

Hi list, I have been trying to enable AIO on ARMv5 Samba built with kernel headers 2.6.31.8, the configure indicated that AIO is supported via kernel headers and all went smooth (regarding the build process). Once I added the smb.conf 'aio write size=1' and tried to perform a file copy to the Samba share I noticed that 32K of the file (of the 1GB file) have been copied to the share but

Looked through the smb.conf.5 from 3.0.20pre2 for additional info on the aio settings but didn't seem to find them. I'm setting this up on AIX 5.2 and just wondered what where recommended starting values...and non-zero values activate the AIO code paths? Cheers, Bill

Hello, We are using libvirt 0.8.3 to build KVM guests (KVM version is qemu-kvm 0.12.5). I see kvm supports aio flag with either native or threads option. Where in libvirt XML should we define aio option? Thanks in advance Ranga -------------- next part -------------- An HTML attachment was scrubbed... URL:

Hello, I''m using Xen (installed from source - "hg clone http://xenbits.xen.org/xen-4.0-testing.hg") on Debian Lenny. Dom0 kernel is 2.6.32-bpo.5-xen-686. Until now I have successfully ran the Lucid Ubuntu as domU guest, defining disks as (and also as file:): disk = [''tap2:aio:/home/xen/domains/lucid/disk.img,xvda1,w'',

Hello Volker, Thanks for kindly feedback :) > When the system is stalled, how many threads does the smbd >have active? /proc/pid/tasks will tell you. At the beginning ... pidstat -t|grep smbd 11:41:16 AM 0 5388 - 0.00 0.00 0.00 0.00 1 smbd 11:41:16 AM 0 - 5388 0.00 0.00 0.00 0.00 1 |__smbd 11:41:16 AM 0 5390

On Thu, Jul 21, 2016 at 12:23:01PM -0500, Russell R Poyner wrote: > One more data point for comparison > > I installed the stock samba 4.2 rpm on a centos 7 machine and ran > the same diskspd tests against a share configured with: > vfs objects = aio_pthread > aio read size = 1024 > aio read size = 1024 > > smb2 leases = yes > > I get 27MB/s with 4k

Hello, I'm wondering if anyone out there is doing tap:aio disk devices on a Xen HVM vm with any success. Please let me know if you are, and perhaps your version info and a config file snippet. I've posted this to the xen-users list, and what I'm trying to do seems to be correct, works on Ubuntu, Debian, and XenSource; but it doesn't work on CentOS. Here's the snippet from my

Am 21.07.2016 um 20:56 schrieb Russell R Poyner: > Jeremy, > > I think this is exactly a complex interaction between FreeBSD and > Samba. Best guess would be some system call that is fast in linux but > slow in FreeBSD holding things back. > > Russ > > On 07/21/2016 01:00 PM, Jeremy Allison wrote: >> On Thu, Jul 21, 2016 at 12:23:01PM -0500, Russell R Poyner

I have never been able to get tap:aio devices running. When I try it in a Linux PV domain, it says: XENBUS: Waiting for devices to initialise: 295s... And they don''t work in my GPLPV drivers, which is the problem I am trying to solve, but I''d like to see them work under Linux first. Is there anything extra I need to do? I have loaded the xenblktap module (forgot to do this

Hi, xen-3.0.3-41.el5 on RHEL5.1 I''m trying to use tap:aio thusly: disk = [ ''file:/var/lib/xen/images/webmail.golden.net.img,hda,w'' _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users

When I run the installation program for a Kodak AIO software I get the fallowing: fixme:exec:SHELL_execute flags ignored: 0x00000100 wine: cannot find L"C:\\windows\\system32\\conime.exe" I have tried what is in the "preloader: Warning: failed to reserve range ..." Sticky. Before I receaved this error. I had an error saying something about mono and .net. So I googled and

In the vfs pages for aio_pthread, it gives as an example for aio read/write size, 1024 for each and states an "appropriate" value must be set. Byt in smb.conf it states that the only reasonable values are 0 or 1 (also that there's a default = 1 so no value need be given explicitly). Which of these is correct? Thanks, Stilez