Re: CRAK: a process checkpoint/restart kernel module

2001-05-26 Thread Hua Zhong
On Fri, 25 May 2001, Pavel Machek wrote: > > Basically I took three steps to migrate a TCP socket. Assuming A and B > > are the two peers: > > > > 1. shutdown process A while keep B open > > 2. restart A and re-establish the socket which points to B > > 3 . change the socket on B to point to

Re: CRAK: a process checkpoint/restart kernel module

2001-05-26 Thread Pavel Machek
Hi! > Please cc to me - I am currently off the list. Ok. > > One question: can crak be used for process migration (assuming nodes > > share filesystem)? (As in, node of > > cluster is going down so we checkpoint and resume on some other node?) > > Yes, as long as the resources (opened files)

Re: CRAK: a process checkpoint/restart kernel module

2001-05-26 Thread Pavel Machek
Hi! Please cc to me - I am currently off the list. Ok. One question: can crak be used for process migration (assuming nodes share filesystem)? (As in, node of cluster is going down so we checkpoint and resume on some other node?) Yes, as long as the resources (opened files) can be

Re: CRAK: a process checkpoint/restart kernel module

2001-05-26 Thread Hua Zhong
On Fri, 25 May 2001, Pavel Machek wrote: Basically I took three steps to migrate a TCP socket. Assuming A and B are the two peers: 1. shutdown process A while keep B open 2. restart A and re-establish the socket which points to B 3 . change the socket on B to point to the new

Re: CRAK: a process checkpoint/restart kernel module

2001-05-25 Thread Hua Zhong
Please cc to me - I am currently off the list. On Wed, 23 May 2001, Pavel Machek wrote: > Hi!! > > One question: can crak be used for process migration (assuming nodes > share filesystem)? [As in, node of > cluster is going down so we checkpoint and resume on some other node?] Yes, as long as

Re: CRAK: a process checkpoint/restart kernel module

2001-05-25 Thread Pavel Machek
Hi!! > This project has been there for over one year, and I've got quite a few > emails asking about it. Before it becomes more reliable, I think letting > more people know about it is a good idea. Thanks to those who ever > pushed me on it :-) > > I guess many of you have already known about

Re: CRAK: a process checkpoint/restart kernel module

2001-05-25 Thread Pavel Machek
Hi!! This project has been there for over one year, and I've got quite a few emails asking about it. Before it becomes more reliable, I think letting more people know about it is a good idea. Thanks to those who ever pushed me on it :-) I guess many of you have already known about

Re: CRAK: a process checkpoint/restart kernel module

2001-05-25 Thread Hua Zhong
Please cc to me - I am currently off the list. On Wed, 23 May 2001, Pavel Machek wrote: Hi!! One question: can crak be used for process migration (assuming nodes share filesystem)? [As in, node of cluster is going down so we checkpoint and resume on some other node?] Yes, as long as the

CRAK: a process checkpoint/restart kernel module

2001-05-21 Thread Hua Zhong
This project has been there for over one year, and I've got quite a few emails asking about it. Before it becomes more reliable, I think letting more people know about it is a good idea. Thanks to those who ever pushed me on it :-) I guess many of you have already known about epckpt, a patch

CRAK: a process checkpoint/restart kernel module

2001-05-21 Thread Hua Zhong
This project has been there for over one year, and I've got quite a few emails asking about it. Before it becomes more reliable, I think letting more people know about it is a good idea. Thanks to those who ever pushed me on it :-) I guess many of you have already known about epckpt, a patch