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Re: [Rdo-list] Permission denied errors after installing a Storage Node in a Swift Cluster



On May 15, 2014, at 6:05 PM, Diogo Vieira <dfv eurotux com> wrote:

On May 6, 2014, at 7:35 PM, Pádraig Brady <pbrady redhat com> wrote:

On 05/06/2014 06:47 PM, Diogo Vieira wrote:
On May 6, 2014, at 11:06 AM, Pádraig Brady <pbrady redhat com> wrote:

On 05/06/2014 09:47 AM, Diogo Vieira wrote:
On May 6, 2014, at 2:53 AM, Pádraig Brady <pbrady redhat com <mailto:pbrady redhat com>> wrote:

What version of swift are you using?

swift-1.13.1.rc2 could have permissions errors,
while we included a patch in the RDO icehouse swift-1.13.1 release to fix
http://pad.lv/1302700 which on first glance could be related?

thanks,
Pádraig.

I'm using 1.13.1-1.fc21 (I'm using Fedora) as you can see:

 # yum info openstack-swift
 Loaded plugins: priorities
 196 packages excluded due to repository priority protections
 Installed Packages
 Name        : openstack-swift
 Arch        : noarch
 Version     : 1.13.1
 Release     : 1.fc21


So the fix should already be present right?

Yes, must be something else so.

thanks,
Pádraig.

That's unfortunate then. One thing's for sure: these errors aren't supposed to happen right?

If someone else has any idea of what could be the problem I would greatly appreciate since this is a recurring problem (even between different Openstack  and Packstack versions, since it was tested in Havana and Icehouse).

Thank you very much,
Diogo Vieira


Ah you see this in Havana repos also, that's NB info.

Pete any ideas?

thanks,
Pádraig.

Yes, the issue happened with an older Havana installation and with the new Icehouse version.

Sorry to bring this up again, but I'm really lost and have no idea what could the problem be.

Nobody has an idea for trying to resolve the issue or issues (since I don't know if they're related)? Should I file a bug report?

Thank you,

Diogo Vieira <dfv eurotux com>
Programador
Eurotux Informática, S.A. | www.eurotux.com
(t) +351 253 680 300

Hello again,

I'm sorry for answering my own email but I found something I believe to be the problem. After some time trying to see what the problem was I ended up searching for what could cause the permission problems. This was one of the errors I found in the syslog:

May 16 10:07:00 host-10-10-6-30 object-auditor: ERROR Trying to audit /srv/node/device3/objects/134106/f2a/82f6a3461bb69f80918a1a508a8bdf2a: #012Traceback (most recent call last):#012 File "/usr/lib/python2.7/site-packages/swift/obj/auditor.py", line 173, in failsafe_object_audit#012 self.object_audit(location)#012 File "/usr/lib/python2.7/site-packages/swift/obj/auditor.py", line 191, in object_audit#012 with df.open():#012 File "/usr/lib/python2.7/site-packages/swift/obj/diskfile.py", line 1029, in open#012 data_file, meta_file)#012 File "/usr/lib/python2.7/site-packages/swift/obj/diskfile.py", line 1247, in _construct_from_data_file#012 fp = open(data_file, 'rb')#012IOError: [Errno 13] Permission denied: '/srv/node/device3/objects/134106/f2a/82f6a3461bb69f80918a1a508a8bdf2a/1399288004.47239.data'

So the problems was in '/srv/node/device3/objects/134106/f2a/82f6a3461bb69f80918a1a508a8bdf2a/1399288004.47239.data'. I tried the following set of commands after I made sure that the swift-object-auditor was run by the swift user (using 'ps faxu'):

# su - swift

-bash-4.2$ ls -lha /srv/node/device3/objects/134106/f2a/82f6a3461bb69f80918a1a508a8bdf2a
ls: cannot access /srv/node/device3/objects/134106/f2a/82f6a3461bb69f80918a1a508a8bdf2a/.: Permission denied
ls: cannot access /srv/node/device3/objects/134106/f2a/82f6a3461bb69f80918a1a508a8bdf2a/..: Permission denied
ls: cannot access /srv/node/device3/objects/134106/f2a/82f6a3461bb69f80918a1a508a8bdf2a/1399288004.47239.data: Permission denied
total 0
d????????? ? ? ? ?            ? .
d????????? ? ? ? ?            ? ..
?????????? ? ? ? ?            ? 1399288004.47239.data

-bash-4.2$ ls -lha /srv/node/device3/objects/134106/f2a/
total 0
drwxr--r-- 3 swift swift 45 May  5 11:06 .
drwxr-xr-x 3 swift swift 45 May 16 10:57 ..
drw-r--r-- 2 swift swift 34 May  5 11:06 82f6a3461bb69f80918a1a508a8bdf2a

So you see '82f6a3461bb69f80918a1a508a8bdf2a' doesn't have execute permissions and I believe that is the problem.

My question now is, could this be caused by some misconfiguration on my part or is it a bug in swift, since it was not me that created the folder?

Thank you once again,

Diogo Vieira <dfv eurotux com>
Programador 
Eurotux Informática, S.A. | www.eurotux.com
(t) +351 253 680 300




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