[Pvfs2-users] goofy permission denied error

Robert Olson olson at mcs.anl.gov
Mon Sep 25 14:51:39 EDT 2006


This was built new for 1.5.1, and I've been using it on and off for a  
few weeks.

--bob

On Sep 25, 2006, at 1:37 PM, Sam Lang wrote:

>
> Hi Bob,
>
> Is this from a new storage space, or had things been working and  
> then you started getting the permission denied errors?  If its a  
> storage space that's been around for a while, did you migrate from  
> 1.3.x or 1.4.0?
>
> Based on the logfiles you sent, it doesn't look like a kernel  
> module problem.  We haven't seen those specific problems with  
> 1.5.1, but we didn't do much testing of the 1.5.1 release on 64 bit  
> platforms (esp. ppc).  Would it be possible to get access to that  
> system so that I can do some debugging?
>
> Thanks,
>
> -sam
>
> On Sep 25, 2006, at 12:34 PM, Robert Olson wrote:
>
>> This is weird. I appear to getting permission denied on every  
>> other file to be copied from a local filesystem to the PVFS2  
>> filesystem. This ring a bell with anyone?
>>
>> Thanks,
>> --bob
>>
>> olson at bio-ppc-1:/scratch$ cp -r simtab.0917 /disks/pvfs2/olson
>> cp: cannot create regular file `/disks/pvfs2/olson/simtab.0917/ 
>> sims.10': Permission denied
>> cp: cannot create regular file `/disks/pvfs2/olson/simtab.0917/ 
>> sims.101': Permission denied
>> cp: cannot create regular file `/disks/pvfs2/olson/simtab.0917/ 
>> sims.103': Permission denied
>> cp: cannot create regular file `/disks/pvfs2/olson/simtab.0917/ 
>> sims.105': Permission denied
>>
>>
>> olson at bio-ppc-1:/scratch$ ls -l /disks/pvfs2/olson/simtab.0917/
>> total 88044
>> -rw-r--r--  1 olson seed-users 37994316 Sep 25 17:26 sims.1
>> -rw-r--r--  1 olson seed-users    30049 Sep 25 17:26 sims.100
>> -rw-r--r--  1 olson seed-users     7226 Sep 25 17:26 sims.102
>> -rw-r--r--  1 olson seed-users  1915643 Sep 25 17:26 sims.104
>> -rw-r--r--  1 olson seed-users 50200576 Sep 25 17:26 sims.106
>>
>> olson at bio-ppc-1:/scratch$ for i in simtab.0917/*; do echo $i; /vol/ 
>> pvfs2/bin/pvfs2-cp -t $i /disks/pvfs2/olson/$i; done
>> simtab.0917/sims.1
>> Wrote 37994316 bytes in 0.437222 seconds. 82.873696 MB/seconds
>> simtab.0917/sims.10
>> open: Permission denied
>> could not open /disks/pvfs2/olson/simtab.0917/sims.10
>> Could not open /disks/pvfs2/olson/simtab.0917/sims.10
>> simtab.0917/sims.100
>> Wrote 30049 bytes in 0.001754 seconds. 16.339859 MB/seconds
>> simtab.0917/sims.101
>> Wrote 18867 bytes in 0.035888 seconds. 0.501365 MB/seconds
>> simtab.0917/sims.102
>> Wrote 7226 bytes in 0.001195 seconds. 5.766959 MB/seconds
>> simtab.0917/sims.103
>> open: Permission denied
>> could not open /disks/pvfs2/olson/simtab.0917/sims.103
>> Could not open /disks/pvfs2/olson/simtab.0917/sims.103
>> simtab.0917/sims.104
>> Wrote 1915643 bytes in 0.022985 seconds. 79.482314 MB/seconds
>> simtab.0917/sims.105
>> Wrote 113037406 bytes in 3.774026 seconds. 28.563891 MB/seconds
>> simtab.0917/sims.106
>> Wrote 177660236 bytes in 5.191931 seconds. 32.633331 MB/seconds
>> simtab.0917/sims.107
>> open: Permission denied
>> could not open /disks/pvfs2/olson/simtab.0917/sims.107
>> Could not open /disks/pvfs2/olson/simtab.0917/sims.107
>> simtab.0917/sims.108
>> Wrote 152382253 bytes in 5.079284 seconds. 28.610931 MB/seconds
>> simtab.0917/sims.109
>> open: Permission denied
>> could not open /disks/pvfs2/olson/simtab.0917/sims.109
>> Could not open /disks/pvfs2/olson/simtab.0917/sims.109
>> simtab.0917/sims.11
>> Wrote 55995114 bytes in 1.893243 seconds. 28.206152 MB/seconds
>> simtab.0917/sims.110
>> open: Permission denied
>> could not open /disks/pvfs2/olson/simtab.0917/sims.110
>> Could not open /disks/pvfs2/olson/simtab.0917/sims.110
>> simtab.0917/sims.111
>> Wrote 85578997 bytes in 2.864490 seconds. 28.491805 MB/seconds
>> simtab.0917/sims.112
>> open: Permission denied
>> could not open /disks/pvfs2/olson/simtab.0917/sims.112
>> Could not open /disks/pvfs2/olson/simtab.0917/sims.112
>> simtab.0917/sims.113
>> Wrote 159349826 bytes in 5.469951 seconds. 27.782303 MB/seconds
>> simtab.0917/sims.114
>> open: Permission denied
>> could not open /disks/pvfs2/olson/simtab.0917/sims.114
>> Could not open /disks/pvfs2/olson/simtab.0917/sims.114
>> simtab.0917/sims.115
>> Wrote 385509 bytes in 0.043475 seconds. 8.456602 MB/seconds
>> simtab.0917/sims.116
>> open: Permission denied
>> could not open /disks/pvfs2/olson/simtab.0917/sims.116
>> Could not open /disks/pvfs2/olson/simtab.0917/sims.116
>> simtab.0917/sims.117
>> Wrote 125580543 bytes in 4.246360 seconds. 28.203670 MB/seconds
>> simtab.0917/sims.118
>> open: Permission denied
>> could not open /disks/pvfs2/olson/simtab.0917/sims.118
>> Could not open /disks/pvfs2/olson/simtab.0917/sims.118
>> simtab.0917/sims.119
>> Wrote 74459114 bytes in 2.527315 seconds. 28.096912 MB/seconds
>> simtab.0917/sims.12
>> open: Permission denied
>> could not open /disks/pvfs2/olson/simtab.0917/sims.12
>> Could not open /disks/pvfs2/olson/simtab.0917/sims.12
>> [etc]
>>
>>
>> pvfs-statfs is happy:
>>
>> olson at bio-ppc-1:~$ /vol/pvfs2/bin/pvfs2-statfs -m /mnt/pvfs2
>>
>> aggregate statistics:
>> ---------------------------------------
>>
>>         fs_id: 1239905522
>>         total number of servers (meta and I/O): 4
>>         handles available (meta and I/O):       5365714538
>>         handles total (meta and I/O):           5368709115
>>         bytes available:                        1218774892544
>>         bytes total:                            1495224942592
>>
>> NOTE: The aggregate total and available statistics are calculated  
>> based
>> on an algorithm that assumes data will be distributed evenly; thus
>> the free space is equal to the smallest I/O server capacity
>> multiplied by the number of I/O servers.  If this number seems
>> unusually small, then check the individual server statistics below
>> to look for problematic servers.
>>
>> meta server statistics:
>> ---------------------------------------
>>
>> server: tcp://bio-ppc-head-4:3334
>>         RAM bytes total  : 4107878400
>>         RAM bytes free   : 13307904
>>         uptime (seconds) : 4045972
>>         load averages    : 4704 9088 5664
>>         handles available: 2145227856
>>         handles total    : 2147483646
>>         bytes available  : 310944141312
>>         bytes total      : 373806235648
>>         mode: serving both metadata and I/O data
>>
>>
>> I/O server statistics:
>> ---------------------------------------
>>
>> server: tcp://bio-ppc-head-4:3334
>>         RAM bytes total  : 4107878400
>>         RAM bytes free   : 13307904
>>         uptime (seconds) : 4045972
>>         load averages    : 4704 9088 5664
>>         handles available: 2145227856
>>         handles total    : 2147483646
>>         bytes available  : 310944141312
>>         bytes total      : 373806235648
>>         mode: serving both metadata and I/O data
>>
>> server: tcp://bio-ppc-head-1:3334
>>         RAM bytes total  : 4107878400
>>         RAM bytes free   : 2062213120
>>         uptime (seconds) : 832980
>>         load averages    : 30624 12352 3872
>>         handles available: 1073741272
>>         handles total    : 1073741823
>>         bytes available  : 307329638400
>>         bytes total      : 373806235648
>>         mode: serving only I/O data
>>
>> server: tcp://bio-ppc-head-2:3334
>>         RAM bytes total  : 4107878400
>>         RAM bytes free   : 12697600
>>         uptime (seconds) : 4045977
>>         load averages    : 10592 6720 1792
>>         handles available: 1073372712
>>         handles total    : 1073741823
>>         bytes available  : 304693723136
>>         bytes total      : 373806235648
>>         mode: serving only I/O data
>>
>> server: tcp://bio-ppc-head-3:3334
>>         RAM bytes total  : 3578347520
>>         RAM bytes free   : 12324864
>>         uptime (seconds) : 4046045
>>         load averages    : 13056 9376 3136
>>         handles available: 1073372698
>>         handles total    : 1073741823
>>         bytes available  : 309065900032
>>         bytes total      : 373806235648
>>         mode: serving only I/O data
>>
>> _______________________________________________
>> Pvfs2-users mailing list
>> Pvfs2-users at beowulf-underground.org
>> http://www.beowulf-underground.org/mailman/listinfo/pvfs2-users
>>
>



More information about the Pvfs2-users mailing list