Re: [Haifux] NFS shows different time stamps on different PC

2003-09-19 Thread Mark Silberstein
Yes, there was a time drift.
But I would expect that timestamps would be wrong, but consistent among
all mounts. 

On Thu, 2003-09-18 at 09:04, guy keren wrote:
 On Wed, 17 Sep 2003, Mark Silberstein wrote:
 
  Local cache? I'm not aware of any caching NFS is doing by default. That
  is, of course it is doing something, and its consistency model is not
  strict, but it should eventually get to provide a consistent view for
  all mounted nodes. I'm not sure that your answer is correct, taking into
  account that the files I'm talking about were created a day ago -
  everything was supposed to look the same
 
 here's a wild guess - could it be that your computer's clock driffted by 3
 hours 20 minutes, and then was re-set using 'rdate -s PC3' ? check your
 system log files, to see if you have log entries that are out of order -
 that'll imply the clock was changed backwards (is it a backwards slip, or
 a forward slip, though?)
 
 i wonder if such a scenario could, at all, produce such results.
 


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Re: [Haifux] NFS shows different time stamps on different PC

2003-09-19 Thread Mark Silberstein
Yep,
both ls and stat output the same, inconsistent date
On Wed, 2003-09-17 at 23:43, Slava Shklyar wrote:
 Whether you receive different results on 'stat -c %Z filename' ?
 
 Mark Silberstein wrote:
 
 HI all
 Today I was lucky to observe one strange thing:
 PC1 and PC2 have /home mounted from PC3. I found that few _SAME_ files,
 created yesterday, have different timestamps ( both ls and stat output),
 depending on which PC I invoke stat. PC1 and PC3 were identical, but PC2
 had 3h20m skew in time stamps of some files. I was unable to repeat this
 when creating new files. Weird! Any ideas why this can happen?
 THanks
 Mark
 
 
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[Haifux] NFS shows different time stamps on different PC

2003-09-17 Thread Mark Silberstein
HI all
Today I was lucky to observe one strange thing:
PC1 and PC2 have /home mounted from PC3. I found that few _SAME_ files,
created yesterday, have different timestamps ( both ls and stat output),
depending on which PC I invoke stat. PC1 and PC3 were identical, but PC2
had 3h20m skew in time stamps of some files. I was unable to repeat this
when creating new files. Weird! Any ideas why this can happen?
THanks
Mark


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Re: [Haifux] NFS shows different time stamps on different PC

2003-09-17 Thread Maor Meir


On 17 Sep 2003, Mark Silberstein wrote:

 HI all
 Today I was lucky to observe one strange thing:
 PC1 and PC2 have /home mounted from PC3. I found that few _SAME_ files,
 created yesterday, have different timestamps ( both ls and stat output),
 depending on which PC I invoke stat. PC1 and PC3 were identical, but PC2
 had 3h20m skew in time stamps of some files. I was unable to repeat this
 when creating new files. Weird! Any ideas why this can happen?
 THanks
 Mark


It is concievable that this is a result of local cache on diffrent
computers. NFS is not a good system to use if you want accurate
timestamps(amoung other disadvantages)

  Meir.



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Re: [Haifux] NFS shows different time stamps on different PC

2003-09-17 Thread Slava Shklyar
Whether you receive different results on 'stat -c %Z filename' ?

Mark Silberstein wrote:

HI all
Today I was lucky to observe one strange thing:
PC1 and PC2 have /home mounted from PC3. I found that few _SAME_ files,
created yesterday, have different timestamps ( both ls and stat output),
depending on which PC I invoke stat. PC1 and PC3 were identical, but PC2
had 3h20m skew in time stamps of some files. I was unable to repeat this
when creating new files. Weird! Any ideas why this can happen?
THanks
Mark
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