Re: [OpenAFS] 1.4.2 fileserver keep getting large number of blocked connections

2007-08-01 Thread Todd M. Lewis
Is there a way to tell the fileservers not to talk to clients below a certain rev, or only allow reads? That should encourage them to upgrade. Or leave. Not nice maybe, but if old clients can DoS your servers... Jeffrey Altman wrote: Matthew Cocker wrote: I wish. I still have people using

Re: [OpenAFS] 1.4.2 fileserver keep getting large number of blocked connections

2007-08-01 Thread Jim Rees
Todd M. Lewis wrote: Is there a way to tell the fileservers not to talk to clients below a certain rev, or only allow reads? That should encourage them to upgrade. Or leave. Not nice maybe, but if old clients can DoS your servers... Not directly, I don't think, but you could write a

Re: [OpenAFS] 1.4.2 fileserver keep getting large number of blocked connections

2007-08-01 Thread Jeffrey Altman
Todd M. Lewis wrote: Is there a way to tell the fileservers not to talk to clients below a certain rev, or only allow reads? That should encourage them to upgrade. Or leave. Not nice maybe, but if old clients can DoS your servers... You could patch your file servers to call

Re: [OpenAFS] 1.4.2 fileserver keep getting large number of blocked connections

2007-08-01 Thread Derrick Brashear
On 8/1/07, Todd M. Lewis [EMAIL PROTECTED] wrote: Is there a way to tell the fileservers not to talk to clients below a certain rev, or only allow reads? That should encourage them to upgrade. Or leave. Not nice maybe, but if old clients can DoS your servers... The version probe is not

Re: [OpenAFS] 1.4.2 fileserver keep getting large number of blocked connections

2007-08-01 Thread Jeffrey Altman
Derrick Brashear wrote: On 8/1/07, *Todd M. Lewis* [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: Is there a way to tell the fileservers not to talk to clients below a certain rev, or only allow reads? That should encourage them to upgrade. Or leave. Not nice maybe, but

Re: [OpenAFS] 1.4.2 fileserver keep getting large number of blocked connections

2007-08-01 Thread Matthew Cocker
Better than what I have now which is they break AFS for all the other users. Cheers Matt On 8/2/07, Jeffrey Altman [EMAIL PROTECTED] wrote: Matthew Cocker wrote: We do a similar thing for our locally developed cost recover solution. The clients pass the version over in the initial

Re: [OpenAFS] 1.4.2 fileserver keep getting large number of blocked connections

2007-08-01 Thread Matthew Cocker
We do a similar thing for our locally developed cost recover solution. The clients pass the version over in the initial handshake. If the version is less than our required minimum the server rejects with a you need to upgrade message. The only way we have found to force standards in our lossely

Re: [OpenAFS] 1.4.2 fileserver keep getting large number of blocked connections

2007-08-01 Thread Jeffrey Altman
Matthew Cocker wrote: We do a similar thing for our locally developed cost recover solution. The clients pass the version over in the initial handshake. If the version is less than our required minimum the server rejects with a you need to upgrade message. The only way we have found to force

Re: [OpenAFS] 1.4.2 fileserver keep getting large number of blocked connections

2007-08-01 Thread Matthew Cocker
Jeff I dumped the ip addresses and checked. All the offending machines are running 1.5.16 rxdebug 130.216.22.5 7001 -version Trying 130.216.22.5 (port 7001): AFS version: OpenAFS1.5.1600 Cheers Matt On 8/1/07, Jeffrey Altman [EMAIL PROTECTED] wrote: Matthew Cocker wrote: UUID:

Re: [OpenAFS] 1.4.2 fileserver keep getting large number of blocked connections

2007-07-31 Thread Matthew Cocker
Forgot reply-all again On 8/1/07, Matthew Cocker [EMAIL PROTECTED] wrote: The -p 128 flag alone has not solved the problem. I have a Filelog (from one locked up server) and rxdebug output from all servers at the time when lots locked up last night). They can be accessed via

Re: [OpenAFS] 1.4.2 fileserver keep getting large number of blocked connections

2007-07-31 Thread Jeffrey Altman
What is the UUID that you see repeated? smime.p7s Description: S/MIME Cryptographic Signature

Re: [OpenAFS] 1.4.2 fileserver keep getting large number of blocked connections

2007-07-31 Thread Matthew Cocker
OK I rushed when I saw the diff attached. But the test cut from the web page seems to have the wrong line numbers in the diff etc and fails to add. will add manually if need be Thansk for the help Cheers Matt

Re: [OpenAFS] 1.4.2 fileserver keep getting large number of blocked connections

2007-07-31 Thread Matthew Cocker
UUID: e3586602-1240-4f07-b1-d7-1b72dc8e715d UUID: ea457696-8eec-4e71-b3-74-a2164c09d96b These coorelated to a set of ip addresses that belonged to one department which had reimaged a lot of lab machines last week. They are fixing their machines using the file they got from

Re: [OpenAFS] 1.4.2 fileserver keep getting large number of blocked connections

2007-07-31 Thread Jeffrey Altman
Matthew Cocker wrote: UUID: e3586602-1240-4f07-b1-d7-1b72dc8e715d UUID: ea457696-8eec-4e71-b3-74-a2164c09d96b These coorelated to a set of ip addresses that belonged to one department which had reimaged a lot of lab machines last week. They are fixing their machines using

Re: [OpenAFS] 1.4.2 fileserver keep getting large number of blocked connections

2007-07-31 Thread Matthew Cocker
I wish. I still have people using 1.3.64. They refuse to upgrade despite my efforts to show them the benefits of the upgrade. Alot of people on campus feel that the new clients are not as stable as the old ones. Probably because they all have the same uuid. Cheers Matt On 8/1/07, Jeffrey

Re: [OpenAFS] 1.4.2 fileserver keep getting large number of blocked connections

2007-07-31 Thread Jeffrey Altman
Matthew Cocker wrote: I wish. I still have people using 1.3.64. They refuse to upgrade despite my efforts to show them the benefits of the upgrade. Alot of people on campus feel that the new clients are not as stable as the old ones. Probably because they all have the same uuid. 1.3.64

Re: [OpenAFS] 1.4.2 fileserver keep getting large number of blocked connections

2007-07-30 Thread Matthew Cocker
Tonight we had 10 of our afs fielserver lockup. I had upgraded so to 1.4.4but they dies as well. All run on redhat 3 up6. Only one process shows in ps listing and gcores on this process seem to give nothing. A pstack dump is below. Is it any good. This is now a real disaster and very weird. I have

Re: [OpenAFS] 1.4.2 fileserver keep getting large number of blocked connections

2007-07-30 Thread Jeffrey Altman
Matthew Cocker wrote: Tonight we had 10 of our afs fielserver lockup. I had upgraded so to 1.4.4 but they dies as well. All run on redhat 3 up6. Only one process shows in ps listing and gcores on this process seem to give nothing. A pstack dump is below. Is it any good. This is now a real

Fwd: [OpenAFS] 1.4.2 fileserver keep getting large number of blocked connections

2007-07-30 Thread Matthew Cocker
Sorry realised I hit reply instead reply-all -- Forwarded message -- From: Matthew Cocker [EMAIL PROTECTED] Date: Jul 31, 2007 7:49 AM Subject: Re: [OpenAFS] 1.4.2 fileserver keep getting large number of blocked connections To: [EMAIL PROTECTED] You will need to rebuild

[OpenAFS] 1.4.2 fileserver keep getting large number of blocked connections

2007-07-27 Thread Matthew Cocker
Hi We are running about 20 redhat AS3 based openafs 1.4.2 fileservers. For the last three days between 4pm-10pm we have been getting 4-6 fileserver stop serving files with nagios monitoring warning of 200 blocked connections. I have turned on debug for the fileserver prcoess and have a log file

Re: [OpenAFS] 1.4.2 fileserver keep getting large number of blocked connections

2007-07-27 Thread Derrick Brashear
use gdb's generate-core-file, or gcore, or pstack if you have it, and get a backtrace. On 7/27/07, Matthew Cocker [EMAIL PROTECTED] wrote: Hi We are running about 20 redhat AS3 based openafs 1.4.2 fileservers. For the last three days between 4pm-10pm we have been getting 4-6 fileserver stop