Re: Fixed: OpLocks caused the corruptions/slowness (Was: How Samba let us down)

2002-11-22 Thread Russell Senior
jra == jra [EMAIL PROTECTED] writes: jra Clients commonly ignore oplock breaks because of network problems jra (borderline hubs etc.). Many people are suffering from network jra hardware that performs adequately in light use situations and jra fails under heavy load. I myself have ended up

Re: Fixed: OpLocks caused the corruptions/slowness (Was: How Samba let us down)

2002-11-22 Thread David W. Chapman Jr.
On Fri, Nov 22, 2002 at 08:44:34AM -0800, Russell Senior wrote: jra == jra [EMAIL PROTECTED] writes: jra Clients commonly ignore oplock breaks because of network problems jra (borderline hubs etc.). Many people are suffering from network jra hardware that performs adequately in light use

Re: Fixed: OpLocks caused the corruptions/slowness (Was: How Samba let us down)

2002-11-22 Thread Russell Senior
David == David W Chapman [EMAIL PROTECTED] writes: jra Clients commonly ignore oplock breaks because of network problems jra (borderline hubs etc.). Many people are suffering from network jra hardware that performs adequately in light use situations and jra fails under heavy load. I myself have

Re: Fixed: OpLocks caused the corruptions/slowness (Was: How Samba let us down)

2002-11-22 Thread David W. Chapman Jr.
David Duplex problems are a simple example like setting full-duplex David on a half-duplex switch might. David A bad cable or NIC could cause intermitten problem as well. David Yes packets would get retransmitted, but who's to say the David retransmitted packets won't get dropped as well?

Re: Fixed: OpLocks caused the corruptions/slowness (Was: How Samba let us down)

2002-11-01 Thread Volker.Lendecke
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Clients commonly ignore oplock breaks because of network problems (borderline hubs etc.). Many people are suffering from network hardware that performs adequately in light use situations and fails under heavy load. I myself have ended up junking

Re: Fixed: OpLocks caused the corruptions/slowness (Was: How Samba let us down)

2002-10-31 Thread Chris de Vidal
--- Claudia Moroder [EMAIL PROTECTED] wrote: what does samba if a client locks a byte range behind the end of the file ? This could be important because it looks like many 'corruption' problems happern with foxpro files. And we are using foxpro files.. hmm. /dev/idal P.S. haven't gotten a

Re: Fixed: OpLocks caused the corruptions/slowness (Was: How Samba let us down)

2002-10-31 Thread jra
On Thu, Oct 31, 2002 at 07:28:44PM +0100, Claudia Moroder wrote: Hello, what does samba if a client locks a byte range behind the end of the file ? This could be important because it looks like many 'corruption' problems happern with foxpro files. Samba adds the locks. It doesn't care if

Re: Fixed: OpLocks caused the corruptions/slowness (Was: How Samba let us down)

2002-10-31 Thread Jay Ts
Chris de Vidal wrote: --- Claudia Moroder wrote: This could be important because it looks like many 'corruption' problems happern with foxpro files. And we are using foxpro files.. hmm. /dev/idal P.S. haven't gotten a chance to try turning oplocks on for bug testing; Management is

RE: Fixed: OpLocks caused the corruptions/slowness (Was: How Samba let us down)

2002-10-29 Thread Green, Paul
Jay Ts [mailto:jay;jayts.cx] said: [excerpt] I know this is a tough issue, and I'm not sure what I'd do if I were in the driver's seat. Perhaps as a minimum, adding some documentation to the /docs directory, as Chris suggests, and also putting lines in the example smb.conf files showing how

Re: Fixed: OpLocks caused the corruptions/slowness (Was: How Samba let us down)

2002-10-29 Thread Chris de Vidal
You hit it _on_the_nose_ here. We wish someone had commented in the smb.conf, the manpages, the documents, ANYWHERE, about potential corruption/slowness with large database files and OpLocks. There is a chance we would have been spared grief. /dev/idal --- Jay Ts [EMAIL PROTECTED] wrote:

Re: Fixed: OpLocks caused the corruptions/slowness (Was: How Samba let us down)

2002-10-28 Thread Chris de Vidal
--- Neil Hoggarth [EMAIL PROTECTED] wrote: On Thu, 24 Oct 2002, Chris de Vidal wrote: I'd be happy to let the group know. I'm not positive we'll reenable anything but kernel oplocks, though. We have work to do. The kernel oplocks parameter affects how Unix processes accessing the

Re: Fixed: OpLocks caused the corruptions/slowness (Was: How Samba let us down)

2002-10-28 Thread jra
On Mon, Oct 28, 2002 at 02:36:00PM -0800, Chris de Vidal wrote: The team probably would have to install Elixir's Opus and process large flat db files (Fox Pro, I think) with multiple processes on multiple servers... in other words, it probably isn't going to happen. The corruption will

Re: Fixed: OpLocks caused the corruptions/slowness (Was: How Samba let us down)

2002-10-28 Thread Chris de Vidal
--- [EMAIL PROTECTED] wrote: The oplock code in Samba has been *heavily* tested. The one thing we cannot fix is clients ignoring oplock break requests. If you can show a problem occurring when clients are *not* ignoring oplock break requests then it's a Samba logic bug and we'll jump on it

Re: Fixed: OpLocks caused the corruptions/slowness (Was: How Samba let us down)

2002-10-24 Thread Chris de Vidal
--- Jay Ts [EMAIL PROTECTED] wrote: * The corruption was missing records. It would interrupt the print process and the Opus analysis indicated hundreds of records were missing. It would happen in random places in print files (hundreds of megs to gigs in size), and seldomly would not

Fixed: OpLocks caused the corruptions/slowness (Was: How Samba let us down)

2002-10-23 Thread Chris de Vidal
My first post, for reference: http://marc.theaimsgroup.com/?l=sambam=103535378916869w=2 When the new NT server's hard drive died, we decided to keep hobbling along on Samba. Meanwhile, my supervisor was searching around on OpLock issues on Google and he saw other people that were having similar