Re: Stateless Linux for zSeries

2009-05-16 Thread Phil Smith III
"Hall, Ken (GTS)" wrote, re MapFS being Open Sourced: >There's a project page on Sourceforge for it, but it hasn't been updated >since 2005. That sounds about right. Given that UnionFS is more vibrant, I'd go with that, myself, nowadays... ...phsiii -

Re: Stateless Linux for zSeries

2009-05-15 Thread Hall, Ken (GTS)
.marist.edu] On Behalf Of Phil Smith III Sent: Thursday, May 14, 2009 9:20 PM To: LINUX-390@VM.MARIST.EDU Subject: Re: [LINUX-390] Stateless Linux for zSeries Marcy Cortes wrote: >We used to use Levanta (now out of business) whose mapfs was based on >unionfs. We didn't see any CPU r

Re: Stateless Linux for zSeries

2009-05-15 Thread Rob van der Heij
On Fri, May 15, 2009 at 1:10 AM, Shawn Wells wrote: > Kinda sorta.  We'll be going down the FUSE route.  It's being targeted > for our next updated, RHEL 5.4.  This work is being done via Red Hat > BugZilla 252372 That approach is more likely to cause the higher CPU overhead that I talked about.

Re: Stateless Linux for zSeries

2009-05-14 Thread Marcy Cortes
Behalf Of Phil Smith III Sent: Thursday, May 14, 2009 9:20 PM To: LINUX-390@VM.MARIST.EDU Subject: Re: [LINUX-390] Stateless Linux for zSeries Marcy Cortes wrote: >We used to use Levanta (now out of business) whose mapfs was based on >unionfs. We didn't see any CPU reduction when we co

Re: Stateless Linux for zSeries

2009-05-14 Thread Phil Smith III
Marcy Cortes wrote: >We used to use Levanta (now out of business) whose mapfs was based on >unionfs. We didn't see any CPU reduction when we converted off of it. >It did use a lot of CPU at shutdown time, but that may have been more >of a bug than a necessity ;) For PoE* reasons, I'm obliged t

Re: Stateless Linux for zSeries

2009-05-14 Thread Shawn Wells
Hall, Ken (GTS) wrote: We're on Red Hat, so same question applies to that distro, if anyone knows. Kinda sorta. We'll be going down the FUSE route. It's being targeted for our next updated, RHEL 5.4. This work is being done via Red Hat BugZilla 252372 Not familiar with FUSE? http://en.wikip

Re: Stateless Linux for zSeries

2009-05-14 Thread Patrick Spinler
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hall, Ken (GTS) wrote: > > Most of the "stateless" implementations I've seen seem to rely on "bind > mounts", but that seems to be a bit of a hack. "Union" mounting, such > as "Unionfs" look like it would be a cleaner approach, but I can't find > out

Re: Stateless Linux for zSeries

2009-05-14 Thread Edmund R. MacKenty
On Thursday 14 May 2009 12:06, Hall, Ken (GTS) wrote: >I would think then that bind mounts would have similar issue. Has anyone > looked into this? You mean using more CPU? I wouldn't think so because if I remember correctly a bind-mount just causes another indirection through the mount table w

Re: Stateless Linux for zSeries

2009-05-14 Thread Mark Post
>>> On 5/14/2009 at 11:17 AM, "Edmund R. MacKenty" >>> wrote: -snip- > Mark, do you know if Novell plans to make unionfs (or anything like it) > available in SLES anytime soon? Can we nudge them in that direction? I wouldn't call them plans, per se, so much as an inclination. From looking t

Re: Stateless Linux for zSeries

2009-05-14 Thread Marcy Cortes
y by reply e-mail and delete this message. Thank you for your cooperation." -Original Message- From: Linux on 390 Port [mailto:linux-...@vm.marist.edu] On Behalf Of Rob van der Heij Sent: Thursday, May 14, 2009 8:53 AM To: LINUX-390@VM.MARIST.EDU Subject: Re: [LINUX-390] Stat

Re: Stateless Linux for zSeries

2009-05-14 Thread Hall, Ken (GTS)
-390] Stateless Linux for zSeries On Thu, May 14, 2009 at 5:01 PM, Hall, Ken (GTS) wrote: > Most of the "stateless" implementations I've seen seem to rely on "bind > mounts", but that seems to be a bit of a hack. "Union" mounting, such > as "Unionfs

Re: Stateless Linux for zSeries

2009-05-14 Thread Rob van der Heij
On Thu, May 14, 2009 at 5:01 PM, Hall, Ken (GTS) wrote: > Most of the "stateless" implementations I've seen seem to rely on "bind > mounts", but that seems to be a bit of a hack.  "Union" mounting, such > as "Unionfs" look like it would be a cleaner approach, but I can't find > out if there's a w

Re: Stateless Linux for zSeries

2009-05-14 Thread Hall, Ken (GTS)
We're on Red Hat, so same question applies to that distro, if anyone knows. -Original Message- From: Linux on 390 Port [mailto:linux-...@vm.marist.edu] On Behalf Of Edmund R. MacKenty Sent: Thursday, May 14, 2009 11:18 AM To: LINUX-390@VM.MARIST.EDU Subject: Re: [LINUX-390] Stat

Re: Stateless Linux for zSeries

2009-05-14 Thread Edmund R. MacKenty
On Thursday 14 May 2009 11:01, Hall, Ken (GTS) wrote: >Most of the "stateless" implementations I've seen seem to rely on "bind >mounts", but that seems to be a bit of a hack. "Union" mounting, such >as "Unionfs" look like it would be a cleaner approach, but I can't find >out if there's a workable

Re: Stateless Linux for zSeries

2009-05-14 Thread Hall, Ken (GTS)
't find out if there's a workable implementation of that. Any ideas? I've pulled the unionfs patch, but I'm reluctant to go to the trouble of maintaining yet another custom kernel module. -Original Message- From: Linux on 390 Port [mailto:linux-...@vm.marist.ed

Re: Stateless Linux for zSeries

2009-05-14 Thread Edmund R. MacKenty
On Wednesday 13 May 2009 20:10, David Boyes wrote: >On 5/13/09 3:16 PM, "Alan Ackerman" >wrote: >> Someone here says we should not do Linux on zSeries because you cannot do >> "stateless computing" on zSeries. > >In a word: bunk. > >> Has anyo

Re: Stateless Linux for zSeries

2009-05-14 Thread Shockley, Gerard C
t [mailto:linux-...@vm.marist.edu] On Behalf Of David Boyes Sent: Wednesday, May 13, 2009 8:11 PM To: LINUX-390@VM.MARIST.EDU Subject: Re: Stateless Linux for zSeries On 5/13/09 3:16 PM, "Alan Ackerman" wrote: > Someone here says we should not do Linux on zSeries because you cannot > do &

Re: Stateless Linux for zSeries

2009-05-14 Thread Shawn Wells
Alan Ackerman wrote: Someone here says we should not do Linux on zSeries because you cannot do "stateless computing" on zSeries. Of course, the first question is "What the heck is stateless computing?" I found some links: Stateless Linux at <http://fedoraproject.

Re: Stateless Linux for zSeries

2009-05-14 Thread Rob van der Heij
On Wed, May 13, 2009 at 9:16 PM, Alan Ackerman wrote: > Has anyone had any experience with building a stateless Linux on zSeries? > > Any words of wisdom? As long as you can step back from the particular implementation at hand, many of the installations I worked with already do this w

Re: Stateless Linux for zSeries

2009-05-13 Thread David Boyes
On 5/13/09 3:16 PM, "Alan Ackerman" wrote: > Someone here says we should not do Linux on zSeries because you cannot do > "stateless computing" on zSeries. In a word: bunk. > Has anyone had any experience with building a stateless Linux on zSeries? The Novell sta

Re: Stateless Linux for zSeries

2009-05-13 Thread Alan Cox
On Wed, 13 May 2009 12:16:58 -0700 Alan Ackerman wrote: > Someone here says we should not do Linux on zSeries because you cannot do > "stateless computing" on zSeries. There is nothing in any of the concepts or implementations stopping you doing it on Z. Nobody may have run the code in question

Re: Stateless Linux for zSeries

2009-05-13 Thread Mark Post
iband, and Infiniband switches, etc. Looked like something out of the movie Alien. Even the midrange support folks were unsure about it's reliability. > I found some links: > > Stateless Linux at <http://fedoraproject.org/wiki/StatelessLinux>. > > Linux on IBM eServer z

Re: Stateless Linux for zSeries

2009-05-13 Thread Adam Thornton
On May 13, 2009, at 2:16 PM, Alan Ackerman wrote: Someone here says we should not do Linux on zSeries because you cannot do "stateless computing" on zSeries. Of course, the first question is "What the heck is stateless computing?" I found some links: Stat

Stateless Linux for zSeries

2009-05-13 Thread Alan Ackerman
Someone here says we should not do Linux on zSeries because you cannot do "stateless computing" on zSeries. Of course, the first question is "What the heck is stateless computing?" I found some links: Stateless Linux at <http://fedoraproject.org/wiki/StatelessLinux&

Stateless Linux

2005-05-18 Thread Uriel Carrasquilla
Does anybody have much experience setting up "stateless linux" under the RHEL distro? Regards, [EMAIL PROTECTED] NCCI Boca Raton, Florida 561.893.2415 greetings / avec mes meilleures salutations / Cordialmente mit freundlichen Grüßen / Med vänlig hälsning The information contain

Re: Stateless Linux project

2004-09-27 Thread Richard Troth
> This was forwarded to me by a co-worker. I'm wondering (assuming it all > works) what kind of applicability this might have for Linux on z/VM? I hope I'm on-track / on-topic with this response. In my own work, for reference and other reasons, I've got a home-grown Linux that has no specific p

Re: Stateless Linux project

2004-09-14 Thread Alan Cox
On Maw, 2004-09-14 at 19:02, Jim Sibley wrote: > The procedure has the following statement: > > [StatelessLinux] > name=Stateless Linux > baseurl=http://people.redhat.com/dmalcolm/stateless I doubt dmalcolm reads this list so suggestions on statelsss Linux improvements are best sen

Re: Stateless Linux project

2004-09-14 Thread Jim Sibley
The procedure has the following statement: [StatelessLinux] name=Stateless Linux baseurl=http://people.redhat.com/dmalcolm/stateless Gripe: Why does RedHat insist that we connect to their sites to get updates (up2date) and do builds. I happen to have a number of systems that do NOT connect to

FW: Stateless Linux project

2004-09-14 Thread Post, Mark K
This was forwarded to me by a co-worker. I'm wondering (assuming it all works) what kind of applicability this might have for Linux on z/VM? Mark Post -Original Message- Sent: Tuesday, September 14, 2004 5:44 AM Subject: Stateless Linux project An new approach for handlin