Re: [Iometer-devel] Targeting Software RAID Linux Volumes

[Ming Z. <mi...@el...>]

everybody need an ILM now. I always thought I had something there but
never can find it again. :)

these days i am working on some other stuff, boss jumped in last
weekend...sigh. so u have enough time to load a tape. :)

ming

On Fri, 2004-07-16 at 23:23, Joe Eiler wrote:
> I'll look but last time I dug for my SGI work I couldn't find it.  Is it a
> bad sign when you start misplacing whole arrays of data?
> If I don't find it this weekend I think I'll have to request an offsite tape
> to see if it is there.
> 
> Joe
> ----- Original Message ----- 
> From: "Ming Zhang" <mi...@el...>
> To: "Joe Eiler" <jo...@ei...>
> Cc: "Gruher, Joseph R" <jos...@in...>; "Daniel Scheibli"
> <dan...@ed...>; "iometer-devel-list"
> <iom...@li...>
> Sent: Friday, July 16, 2004 7:27 AM
> Subject: Re: [Iometer-devel] Targeting Software RAID Linux Volumes
> 
> 
> So do you still have that patch? To save me one day of work? :)
> 
> Ming
> 
> On Fri, 2004-07-16 at 00:18, Joe Eiler wrote:
> > A *long* time ago (while the project was still dead) I had a patch to
> allow
> > you to pass a file with a list of devices to use instead of having iometer
> > search.  There were a couple of reasons for this
> > 1) Needed to target LVM and MD devices
> > 2) Needed to target raw devices
> > 3) Wanted to limit the number of devices that showed up in Iometer
> > 4) Used the same idea to pass devices into an SGI version of dynamo
> because
> > I didn't have time to properly implement searching.
> >
> > If I remember right it was less than a days worth of work and worked
> fairly
> > well (although talking to raw devices was flaky).
> > You may only need to modify the ReportDisks function in IOManager
> >
> > Joe
> >
> >
> > ----- Original Message ----- 
> > From: "Ming Zhang" <mi...@el...>
> > To: "Gruher, Joseph R" <jos...@in...>
> > Cc: "Daniel Scheibli" <dan...@ed...>; "iometer-devel-list"
> > <iom...@li...>
> > Sent: Thursday, July 15, 2004 8:13 AM
> > Subject: RE: [Iometer-devel] Targeting Software RAID Linux Volumes
> >
> >
> > We are discussing to add this any block device support. Hope to work it
> > out soon.
> >
> > Ming
> >
> > On Thu, 2004-07-15 at 09:07, Gruher, Joseph R wrote:
> > > Ideally, yes.
> > >
> > > -----Original Message-----
> > > From: Ming Zhang [mailto:mi...@el...]
> > > Sent: Thursday, July 15, 2004 5:56 AM
> > > To: Daniel Scheibli
> > > Cc: Gruher, Joseph R; iometer-devel-list
> > > Subject: Re: [Iometer-devel] Targeting Software RAID Linux Volumes
> > >
> > > i guess Joseph wants to test MD directly instead of an extra file
> > > system.
> > >
> > > ming
> > >
> > > On Thu, 2004-07-15 at 07:27, Daniel Scheibli wrote:
> > > > Hi Joseph,
> > > >
> > > > I have never tried it so far, but it shouldn't be an issue. Just the
> > > > mounted file system which is sitting on top of your software-RAID
> > > > and you are done.
> > > >
> > > > CU
> > > > Daniel
> > > >
> > > >
> > > > On Wed, 14 Jul 2004 15:57:08 -0700, Gruher, Joseph R wrote
> > > > > Can Iometer target software-RAID Linux volumes?  How do I target
> > > > storage other than block devices?
-- 
 --------------------------------------------------
| Ming Zhang, PhD. Student
| Dept. of Electrical & Computer Engineering
| College of Engineering
| University of Rhode Island
| Kingston RI. 02881
| e-mail: mingz at ele.uri.edu
| Tel. (401) 874-2293 
| Fax. (401) 782-6422
| http://www.ele.uri.edu/~mingz/
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