Re: [OpenAFS] Re: afs vs nfs

2005-12-07 Thread Dan Pritts
I'm thinking more of situations where you want to access the filesystem data for two different access methods, say, local and NFS or NFS and SMB. others have basically said "don't do that" and they have good reasons, however, in many situations (typically small installations) it's reasonable and e

Re: [OpenAFS] Re: afs vs nfs

2005-12-04 Thread Jeffrey Hutzelman
On Wednesday, November 23, 2005 04:50:26 PM -0800 [EMAIL PROTECTED] wrote: On Wed, 23 Nov 2005, Dan Pritts wrote: This can also be considered a disadvantage. When using AFS, you are forced to manage your storage the AFS way. Files are effectively not stored natively on the filesystem, a

Re: [OpenAFS] Re: afs vs nfs

2005-11-29 Thread lamont
On Thu, 24 Nov 2005, Jeffrey Altman wrote: [EMAIL PROTECTED] wrote: On Wed, 23 Nov 2005, Jeffrey Altman wrote: Cells are demarcations of authorization boundaries. If your Bangalore and New York offices are both controlled by the same authorities then they should not be separate cells. What

Re: [OpenAFS] Re: afs vs nfs

2005-11-29 Thread lamont
On Tue, 29 Nov 2005, Dan Pritts wrote: On Wed, Nov 23, 2005 at 04:50:26PM -0800, [EMAIL PROTECTED] wrote: structure. Please don't suggest changing this if you don't understand how it affects the streaming vs. seeking performance of operations. The fact that AFS stores data in a serialized fo

Re: [OpenAFS] Re: afs vs nfs

2005-11-29 Thread Dan Pritts
On Wed, Nov 23, 2005 at 04:50:26PM -0800, [EMAIL PROTECTED] wrote: > structure. Please don't suggest changing this if you don't understand how > it affects the streaming vs. seeking performance of operations. The fact > that AFS stores data in a serialized format in managable chunks is a > *HU

Re: [OpenAFS] Re: afs vs nfs

2005-11-24 Thread Jeffrey Altman
[EMAIL PROTECTED] wrote: > > > On Wed, 23 Nov 2005, Jeffrey Altman wrote: >> Cells are demarcations of authorization boundaries. If your Bangalore >> and New York offices are both controlled by the same authorities then >> they should not be separate cells. >> >> What you want to happen in this c

Re: [OpenAFS] Re: afs vs nfs

2005-11-24 Thread lamont
On Wed, 23 Nov 2005, Chaskiel M Grundman wrote: You can't do it between non-cooperating cells because the resulting namespace would end up not being consistent from client to client. So much for a global filesystem. Yes, I'm talking about not only cooperating cells, but where there's a sing

Re: [OpenAFS] Re: afs vs nfs

2005-11-24 Thread lamont
On Wed, 23 Nov 2005, Jeffrey Altman wrote: Cells are demarcations of authorization boundaries. If your Bangalore and New York offices are both controlled by the same authorities then they should not be separate cells. What you want to happen in this case is for your volumes to be migrated fr

Re: [OpenAFS] Re: afs vs nfs

2005-11-23 Thread Chaskiel M Grundman
--On Wednesday, November 23, 2005 05:04:35 PM -0800 [EMAIL PROTECTED] wrote: but if you go down this path long enough to its logical end you wind up not liking the /afs/ convention very much... What are the alternatives? Who gets to decide what content gets what globally unique path? You c

Re: [OpenAFS] Re: afs vs nfs

2005-11-23 Thread Jeffrey Altman
[EMAIL PROTECTED] wrote: > Consider if you have: > > /afs/newyork.cell/home/horst > > And then you get sent to the bangalore office for an extended period of > time and now your home cell is /afs/bangalore.cell. There are ways to > deal with this, but if you go down this path long enough to its

Re: [OpenAFS] Re: afs vs nfs

2005-11-23 Thread lamont
On Tue, 22 Nov 2005, Horst Birthelmer wrote: On Nov 22, 2005, at 8:52 PM, [EMAIL PROTECTED] wrote: On Tue, 22 Nov 2005 [EMAIL PROTECTED] wrote: I don't know why the AFS community continues to support this convention which breaks location independence. *shrug*. Okay, "support" was a bad cho

Re: [OpenAFS] Re: afs vs nfs

2005-11-23 Thread lamont
On Wed, 23 Nov 2005, Dan Pritts wrote: This can also be considered a disadvantage. When using AFS, you are forced to manage your storage the AFS way. Files are effectively not stored natively on the filesystem, and cannot be accessed via some other method, and must be backed up via afs-specif

RE: [OpenAFS] Re: afs vs nfs

2005-11-23 Thread Neulinger, Nathan
) 341-4216 > -Original Message- > From: Derek Atkins [mailto:[EMAIL PROTECTED] > Sent: Wednesday, November 23, 2005 10:22 AM > To: Neulinger, Nathan > Cc: openafs-info@openafs.org > Subject: Re: [OpenAFS] Re: afs vs nfs > > "Neulinger, Nathan" <[EMAIL

Re: [OpenAFS] Re: afs vs nfs

2005-11-23 Thread Derek Atkins
"Neulinger, Nathan" <[EMAIL PROTECTED]> writes: > Something as simple as having an alternative namei that would look the > same down below, but would have the top level directory be the RW volume > id corresponding to whatever data is being stored. Um, the top-level directory (well, two top-level

Re: [OpenAFS] Re: afs vs nfs

2005-11-23 Thread Sandesh V Chopdekar
EMAIL PROTECTED] 23/11/2005 20:05 To Joe Buehler <[EMAIL PROTECTED]> cc openafs-info@openafs.org Subject Re: [OpenAFS] Re: afs vs nfs On Tue, Nov 22, 2005 at 08:38:31AM -0500, Joe Buehler wrote: > - AFS storage is organized into volumes, attached to one or more mount > poin

RE: [OpenAFS] Re: afs vs nfs

2005-11-23 Thread Neulinger, Nathan
> > This can also be considered a disadvantage. When using AFS, you are > > forced to manage your storage the AFS way. Files are > effectively not > > stored natively on the filesystem, and cannot be accessed > via some other > > method, and must be backed up via afs-specific methods. > > > >

Re: [OpenAFS] Re: afs vs nfs

2005-11-23 Thread Robert Banz
Dan Pritts wrote: On Tue, Nov 22, 2005 at 08:38:31AM -0500, Joe Buehler wrote: - AFS storage is organized into volumes, attached to one or more mount points under the /afs tree. These volumes can be moved from server to server while they are in use. This is great when you have to take down a

Re: [OpenAFS] Re: afs vs nfs

2005-11-23 Thread Dan Pritts
On Tue, Nov 22, 2005 at 08:38:31AM -0500, Joe Buehler wrote: > - AFS storage is organized into volumes, attached to one or more mount > points under the /afs tree. These volumes can be moved from server > to server while they are in use. This is great when you have to > take down a machine, or y

Re: [OpenAFS] Re: afs vs nfs

2005-11-22 Thread Horst Birthelmer
On Nov 22, 2005, at 8:52 PM, [EMAIL PROTECTED] wrote: On Tue, 22 Nov 2005 [EMAIL PROTECTED] wrote: I don't know why the AFS community continues to support this convention which breaks location independence. *shrug*. Okay, "support" was a bad choice of words, why its supported should be pr

Re: [OpenAFS] Re: afs vs nfs

2005-11-22 Thread Coy Hile
On Tue, 22 Nov 2005 [EMAIL PROTECTED] wrote: > > > > On Tue, 22 Nov 2005 [EMAIL PROTECTED] wrote: > > I don't know why the AFS community continues to support this convention > > which breaks location independence. *shrug*. > > Okay, "support" was a bad choice of words, why its supported should be

Re: [OpenAFS] Re: afs vs nfs

2005-11-22 Thread lamont
On Tue, 22 Nov 2005 [EMAIL PROTECTED] wrote: I don't know why the AFS community continues to support this convention which breaks location independence. *shrug*. Okay, "support" was a bad choice of words, why its supported should be pretty obvious. It'd still be nice to see some alternativ

Re: [OpenAFS] Re: afs vs nfs

2005-11-22 Thread lamont
On Tue, 22 Nov 2005, Joe Buehler wrote: - AFS has a single namespace: the content of /afs is the same on all machines (or under whatever drive letter(s) you pick for Windows). The biggest win to me over NFS is a single global namespace which is *location independent*. The location independ

[OpenAFS] Re: afs vs nfs

2005-11-22 Thread Joe Buehler
Noel Yap wrote: > Does anyone have an _up-to-date_ site comparing AFS and NFS? > Searching has turned up lots of old ones. You seem to be getting some rather flip responses so I will chime in with this: - AFS has a single namespace: the content of /afs is the same on all machines (or under what