Re: [Samba] ok, so oplocks: good or bad?

2003-06-22 Thread Jeremy Allison
On Sun, Jun 22, 2003 at 09:27:24AM -0700, [EMAIL PROTECTED] wrote: > Hi, > > I disabled oplocks after weeks of corrupt files during > network renders amongst 80+ cpus using XP Pro. > > Disabling oplocks fixed my corrupt file issue however > I suspect that my choice of using XP Pro in a serious >

Re: [Samba] ok, so oplocks: good or bad?

2003-06-22 Thread bkrusic
Hi, I disabled oplocks after weeks of corrupt files during network renders amongst 80+ cpus using XP Pro. Disabling oplocks fixed my corrupt file issue however I suspect that my choice of using XP Pro in a serious production env was a bad one. I am now switching to 2K and have a feeling that wit

Re: [Samba] ok, so oplocks: good or bad?

2003-06-20 Thread John H Terpstra
On Fri, 20 Jun 2003, Mark Roach wrote: > On Fri, 2003-06-20 at 15:38, John H Terpstra wrote: > > On Fri, 20 Jun 2003, Jonathan Johnson wrote: > > > > > OK, I don't have a strong understanding of oplocks, but I'm sure someone > > > will correct me where I go wrong. > > > > Those interested in the w

Re: [Samba] ok, so oplocks: good or bad?

2003-06-20 Thread John H Terpstra
On Fri, 20 Jun 2003, Troy.A Johnson wrote: > The original url got me nothing, but > this: > > http://samba.org/~jht/NT4migration/Samba-HOWTO-Collection.pdf > > got me the doc. Apologies for the typo. - John T. > > >>> John H Terpstra <[EMAIL PROTECTED]> 06/20/03 02:38PM >>> > http://samba.org/~

Re: [Samba] ok, so oplocks: good or bad?

2003-06-20 Thread Jeremy Allison
On Fri, Jun 20, 2003 at 02:49:48PM -0500, Brandon Lederer wrote: > My comment/question leans towards Windows here I cant turn oplocks off > in Windows (to my knowledge). Therefore they are always ON. If this is the > case, And they dont cause any problems, then WHY do we have to turn them off

Re: [Samba] ok, so oplocks: good or bad?

2003-06-20 Thread Jeremy Allison
On Fri, Jun 20, 2003 at 03:40:05PM -0400, Mark Roach wrote: > > Hi, John. I'm pretty sure I "get" what oplocks are for and why they are > good, I guess my question would be more along the lines of "do they work > properly in samba?" along with the error message that prompts the > question. They w

RE: [Samba] ok, so oplocks: good or bad?

2003-06-20 Thread Brandon Lederer
- From: Mark Roach [mailto:[EMAIL PROTECTED] Sent: Friday, June 20, 2003 2:40 PM To: John H Terpstra Cc: [EMAIL PROTECTED]; Jonathan Johnson Subject: Re: [Samba] ok, so oplocks: good or bad? On Fri, 2003-06-20 at 15:38, John H Terpstra wrote: > On Fri, 20 Jun 2003, Jonathan Johnson wrote: > >

Re: [Samba] ok, so oplocks: good or bad?

2003-06-20 Thread Mark Roach
On Fri, 2003-06-20 at 15:38, John H Terpstra wrote: > On Fri, 20 Jun 2003, Jonathan Johnson wrote: > > > OK, I don't have a strong understanding of oplocks, but I'm sure someone > > will correct me where I go wrong. > > Those interested in the whole OpLock story might benefit from reading > chapt

Re: [Samba] ok, so oplocks: good or bad?

2003-06-20 Thread Troy.A Johnson
The original url got me nothing, but this: http://samba.org/~jht/NT4migration/Samba-HOWTO-Collection.pdf got me the doc. >>> John H Terpstra <[EMAIL PROTECTED]> 06/20/03 02:38PM >>> http://samba.org/~jht/NT4migration/Samba-HOWTO-Collection.html -- To unsubscribe from this list go to the foll

Re: [Samba] ok, so oplocks: good or bad?

2003-06-20 Thread John H Terpstra
On Fri, 20 Jun 2003, Jonathan Johnson wrote: > OK, I don't have a strong understanding of oplocks, but I'm sure someone > will correct me where I go wrong. Those interested in the whole OpLock story might benefit from reading chapter 14 'File and Record Locking" of: http://samba.org/~jht/NT4migr

Re: [Samba] ok, so oplocks: good or bad?

2003-06-20 Thread Mark Ferlatte
Jonathan Johnson said on Fri, Jun 20, 2003 at 11:39:09AM -0700: > On 20 Jun 2003, Mark Roach wrote: > > > I have been searching for info on this and haven't found an > > authoritative answer. From what I have read, oplocks are good because > > they increase connection speeds, but they are bad beca

Re: [Samba] ok, so oplocks: good or bad?

2003-06-20 Thread Jonathan Johnson
OK, I don't have a strong understanding of oplocks, but I'm sure someone will correct me where I go wrong. Overgeneralization #1: Disabling oplocks is ALWAYS a safe thing to do. Overgeneralization #2: Oplocks provide a performance boost by allowing the workstation (ws1) to cache a copy of the fil

[Samba] ok, so oplocks: good or bad?

2003-06-20 Thread Mark Roach
I have been searching for info on this and haven't found an authoritative answer. From what I have read, oplocks are good because they increase connection speeds, but they are bad because they don't really work, but they actually do work, but they only work in some cases, etc etc. so, here's my pr