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June 27th, 2012 07:00
Permission changes took all night?
We're refreshing a folder structure on a production EMC CIFS share. It's as simple as removing/simplifying a few top level folders as well as consolidating windows groups into a select few. We replaced all permissions all the way down the tree to match the top level. This process ran all night and still hasn't completed. In a non EMC environment this task takes 5-10 minutes max. It's about 100 Gig of files.
I checked the data mover CPU and it's at 1%.
Any suggestions?
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dynamox
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June 27th, 2012 08:00
how many inodes on that file system ?
server_df server_2 -inode
dynamox
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June 27th, 2012 09:00
EMC CIFS, you are setting ACLs over the network, where Windows server sets it locally on its file system.
dynamox
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June 27th, 2012 09:00
am i reading that correct, 75 million objects ?
dynamox
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June 27th, 2012 09:00
you can have a relatively small file system capacity wise but have a huge number of tiny files, so it would not surprise me that a process that needs to traverse the whole file system takes that long.
LuckyNate
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June 27th, 2012 09:00
Any thoughts why a physical or VM windows OS file system can do the same task in 5-10 minutes while it takes EMC CIFS 15+ hours to complete?
LuckyNate
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June 27th, 2012 09:00
$ server_df server_2 -inode NYOSHARE
server_2 :
Filesystem inodes used avail capacity Mounted on
NYOSHARE 75571198 444598 75126600 1% /root_vdm_1/NYOSHARE
LuckyNate
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June 27th, 2012 09:00
Yes, I’m not familiar with iNode and I was wrong about the filesystem size. It is actually closer to 250Gig, 130,000 files and 25,000 folders. I compared these to other filesystems on the NS-120 as well as filesystems on another NS-120 and they are in this range or at least orders of magnitude.
Perhaps we simply need to run a clean-up command, or?