OpenStack Object Storage (swift)

upload of object to swift is failing

Asked by Manoj

Upload of object to swift is failing with 503 error.

syslog shows below error:

 object-server ERROR __call__ error with REPLICATE /sdb4/211327 : #012Traceback (most recent call last):#012 File "/usr/lib/python2.7/dist-packages/swift/obj/server.py", line 938, in __call__#012 res = method(req)#012 File "/usr/lib/python2.7/dist-packages/swift/common/utils.py", line 1558, in wrapped#012 return func(*a, **kw)#012 File "/usr/lib/python2.7/dist-packages/swift/common/utils.py", line 520, in _timing_stats#012 resp = func(ctrl, *args, **kwargs)#012 File "/usr/lib/python2.7/dist-packages/swift/obj/server.py", line 916, in REPLICATE#012 mkdirs(path)#012 File "/usr/lib/python2.7/dist-packages/swift/common/utils.py", line 306, in mkdirs#012 os.makedirs(path)#012 File "/usr/lib/python2.7/os.py", line 157, in makedirs#012 mkdir(name, mode)#012OSError: [Errno 31] Too many links: '/srv/5/node/sdb4/objects/211327'

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Samuel Merritt (torgomatic) said : 		#1

http://blog.nexcess.net/2012/04/27/mkdir-too-many-links-what-it-is-and-how-to-fix/

Basically, you've got too many subdirectories of /srv/5/node/sdb4/objects for the underlying filesystem to handle.

You didn't mention anything about your setup, but I'm going to guess you've got a part power of 17 or more, a very small number of disks in your system, and that the filesystem on your data disks is ext3/ext4, not XFS. Fix any one of those things, and the problem should go away.

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Manoj (mmelath) said : 		#2

Thank you for your quick response.
Installed swift on a system with XFS filesystem. Will update with the status once we reach this limit.

Regards,
Manoj

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