[Gluster-devel] Rsync failure problem

[skimber]

Further to my message below, I'm getting a lot (thousands?) of errors like
this in the glusterfsd server log:

2008-07-15 14:19:41 E [posix.c:1984:posix_setdents] brick-ns: Error creating
file /data/export-ns/mydata/myfile.txt with mode (0100644)

Nothing relevant in syslog or the client logs I don't think.




skimber wrote:
> 
> Thanks for the responses.
> 
> It turned out that the issue was with the disk in one of the clients. 
> Using the other client machine it appears to be working fine, although it
> does seem very slow.
> 
> An ls -l on a directory containing about 150 files took > 5 mins and the
> rsync will only go at a rate of roughly one file every 3 seconds, average
> size 30 to 50Kb.
> 
> If I do the rsync to the client's local HD instead it's many files per
> second.
> 
> I have tried adding the following to the end of the client config from my
> original post but it doesn't appear to have made any noticable difference:
> 
> volume readahead
>   type performance/read-ahead
>   option page-size 128kB        # 256KB is the default option
>   option page-count 4           # 2 is default option
>   option force-atime-update off # default is off
>   subvolumes unify
> end-volume
> 
> volume writebehind
>   type performance/write-behind
>   option aggregate-size 1MB # default is 0bytes
>   option flush-behind on    # default is 'off'
>   subvolumes readahead
> end-volume
> 
> volume io-cache
>   type performance/io-cache
>   option cache-size 64MB             # default is 32MB
>   option page-size 1MB               # 128KB is default option
>   option priority *:0                # default is '*:0'
>   option force-revalidate-timeout 2  # default is 1
>   subvolumes writebehind
> end-volume
> 
> 
> Can anyone tell me if I have done this correctly and/or suggest anything
> else I can do to fix this performance issue?
> 
> Thanks
> 
> Simon
> 

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