store_content problems?

Matt Mankins matt at ka-zam.com
Mon Jan 15 23:09:07 UTC 2007


mogstored is running as root.

root     13741  0.1  0.4  12312  8556 pts/0    Sl   16:21   0:09 /usr/ 
local/bin/perl -w /usr/local/bin/mogstored

/var/mogdata/devN/* is owned by root as well.

ls -laR /var/mogdata/dev1/0/000/

/var/mogdata/dev1/0/000/:
total 12
drwxr-xr-x  3 root root 4096 Jan  5 11:17 .
drwxr-xr-x  3 root root 4096 Jan  5 11:17 ..
drwxr-xr-x  2 root root 4096 Jan 14 20:56 000

/var/mogdata/dev1/0/000/000:
total 184
drwxr-xr-x  2 root root  4096 Jan 14 20:56 .
drwxr-xr-x  3 root root  4096 Jan  5 11:17 ..
-rw-r--r--  1 root root     3 Jan  5 11:17 0000000001.fid
-rw-r--r--  1 root root    17 Jan  5 11:29 0000000008.fid
-rw-r--r--  1 root root 34651 Jan  9 13:00 0000000017.fid
-rw-r--r--  1 root root 61893 Jan  9 13:13 0000000018.fid
-rw-r--r--  1 root root    12 Jan 11 15:31 0000000023.fid
-rw-r--r--  1 root root 54647 Jan 12 18:29 0000000043.fid
.
.
.
Thanks for the help so far!

On Jan 15, 2007, at 5:12 PM, Brad Fitzpatrick wrote:

> Does the user mogstored is running as have permission to write to  
> files on
> /var/mogdata/devN/* ?  Does that user own the /var/mogdata/devN  
> directory?
>
>
> On Mon, 15 Jan 2007, Matt Mankins wrote:
>
>> RESPONSE: ERR no_devices No+devices+found+to+store+file
>>
>> If I telnet in to port 6001 and try to do it manually it does the
>> same thing.  Hmm.
>>
>> Checking devices...
>>          host device            size(G)    used(G)    free(G)   use%
>>          ---- --------------- ---------- ---------- ---------- ------
>>          [ 1] dev1               65.687      5.511     60.176   8.39%
>>          [ 2] dev2              229.228     21.048    208.180   9.18%
>>          [ 3] dev3              106.282      7.073     99.209   6.65%
>>          [ 4] dev4              142.334      9.317    133.017   6.55%
>>          [ 5] dev5               70.077      2.543     67.534   3.63%
>>          ---- --------------- ---------- ---------- ---------- ------
>>                        total:   613.608     45.492    568.116   7.41%
>>
>> I can see some files in the device path...
>>
>> How do you check for "writability"?  It seems that the device has to
>> be on a host that is reachable and has passed a test,
>> Observed_writable?  Mogstore does this, right?
>>
>>
>>
>> On Jan 15, 2007, at 3:46 PM, Brad Fitzpatrick wrote:
>>
>>> What does $mogclient->errstr say after you get undef on  
>>> store_content?
>>>
>>> It should say exactly that the error was.
>>>
>>>
>>> On Mon, 15 Jan 2007, Matt Mankins wrote:
>>>
>>>> Hi.
>>>>
>>>> We've got 2 trackers, 5 storage hosts, and 1 problem storing files:
>>>>
>>>>   my $bytes_stored = $self->{'mogile'}->store_content($mogile_key,
>>>> $mogile_class, $data_ref);
>>>>
>>>> bytes_stored is undef.
>>>>
>>>> I'm wondering what to look at to see where the problem is.
>>>>
>>>> When I try using new_file/doing it manually, the file handle  
>>>> comes up
>>>> as undef on the new_file method.
>>>>
>>>> read_only = 0.
>>>>
>>>> mogadm check shows everything up and running.
>>>>
>>>> I just upgraded everything to mogilefs 1.04, but the problem  
>>>> remains.
>>>>
>>>> Some files get stored just fine, and if we try long enough, every
>>>> file seems to be able to be stored.
>>>>
>>>> Sound familiar?
>>>>
>>>> Thanks.
>>>>
>>>> Matt
>>>>
>>>>
>>
>>


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