Re: [Qemu-devel] Windows and I/O size

2013-01-08 Thread Vadim Rozenfeld
On Tuesday, January 08, 2013 12:09:11 PM Peter Lieven wrote: > Am 08.01.2013 um 10:29 schrieb Vadim Rozenfeld : > > On Tuesday, January 08, 2013 10:53:44 AM Peter Lieven wrote: > >> Am 08.01.2013 um 09:50 schrieb Vadim Rozenfeld : > >>> On Tuesday, January 08, 2013 10:16:48 AM Peter Lieven wrote: >

Re: [Qemu-devel] Windows and I/O size

2013-01-08 Thread Vadim Rozenfeld
On Tuesday, January 08, 2013 11:47:54 AM Peter Lieven wrote: > Am 08.01.2013 um 10:29 schrieb Vadim Rozenfeld : > > On Tuesday, January 08, 2013 10:53:44 AM Peter Lieven wrote: > >> Am 08.01.2013 um 09:50 schrieb Vadim Rozenfeld : > >>> On Tuesday, January 08, 2013 10:16:48 AM Peter Lieven wrote: >

Re: [Qemu-devel] Windows and I/O size

2013-01-08 Thread Peter Lieven
Am 08.01.2013 um 10:29 schrieb Vadim Rozenfeld : > On Tuesday, January 08, 2013 10:53:44 AM Peter Lieven wrote: >> Am 08.01.2013 um 09:50 schrieb Vadim Rozenfeld : >>> On Tuesday, January 08, 2013 10:16:48 AM Peter Lieven wrote: Hi all, I came across the fact that Windows seems to

Re: [Qemu-devel] Windows and I/O size

2013-01-08 Thread Peter Lieven
Am 08.01.2013 um 10:29 schrieb Vadim Rozenfeld : > On Tuesday, January 08, 2013 10:53:44 AM Peter Lieven wrote: >> Am 08.01.2013 um 09:50 schrieb Vadim Rozenfeld : >>> On Tuesday, January 08, 2013 10:16:48 AM Peter Lieven wrote: Hi all, I came across the fact that Windows seems to

Re: [Qemu-devel] Windows and I/O size

2013-01-08 Thread Vadim Rozenfeld
On Tuesday, January 08, 2013 10:53:44 AM Peter Lieven wrote: > Am 08.01.2013 um 09:50 schrieb Vadim Rozenfeld : > > On Tuesday, January 08, 2013 10:16:48 AM Peter Lieven wrote: > >> Hi all, > >> > >> I came across the fact that Windows seems to requests greater 64KB into > >> pieces leading to a l

Re: [Qemu-devel] Windows and I/O size

2013-01-08 Thread Peter Lieven
Am 08.01.2013 um 09:50 schrieb Vadim Rozenfeld : > On Tuesday, January 08, 2013 10:16:48 AM Peter Lieven wrote: >> Hi all, >> >> I came across the fact that Windows seems to requests greater 64KB into >> pieces leading to a lot of IOPs on the storage side. >> >> Can anyone imagine of a way to m

Re: [Qemu-devel] Windows and I/O size

2013-01-08 Thread Vadim Rozenfeld
On Tuesday, January 08, 2013 10:16:48 AM Peter Lieven wrote: > Hi all, > > I came across the fact that Windows seems to requests greater 64KB into > pieces leading to a lot of IOPs on the storage side. > > Can anyone imagine of a way to merge them before sending them to e.g. an > iSCSI Storage? 6

[Qemu-devel] Windows and I/O size

2013-01-08 Thread Peter Lieven
Hi all, I came across the fact that Windows seems to requests greater 64KB into pieces leading to a lot of IOPs on the storage side. Can anyone imagine of a way to merge them before sending them to e.g. an iSCSI Storage? 64KB I/O Size is not optimal when e.g. large sequential operations with an