Activity
From 10/21/2011 to 11/19/2011
11/19/2011
11/18/2011
- 02:37 PM Bug #1682: mds: segfault in CInode::authority
- Another crash is CInode::Authority happened today, although a different backtrace.
From teuthology:~teuthworker/arc... - 02:35 PM Bug #1737 (Resolved): ceph-fuse crash in xlist::remove
- From teuthology:~teuthworker/archive/nightly_coverage_2011-11-18-2/2645/remote/ubuntu@sepia13.ceph.dreamhost.com/log/...
11/17/2011
- 03:06 PM Bug #1728 (Resolved): multiple cfuse tests failing with non-empty directories
- fixed by commit:ef5ca293a7eee6fd37c1ea8e8027a5f6d83b66da
- 02:13 PM Bug #1728: multiple cfuse tests failing with non-empty directories
- My guess is the warning cleanup patch that added an error check in the readdir code, commit:cd90061239a598f6fca94326b...
11/16/2011
- 05:59 PM Bug #1549: mds: zeroed root CDir* vtable in scatter_writebehind_finish
- This happened again on 11/16, 2056 kclient_workunit_kernel_untar_build
2011-11-16T00:36:30.996 INFO:teuthology.task.... - 05:51 PM Bug #1728 (Resolved): multiple cfuse tests failing with non-empty directories
- All from the 11/16 nightlies:
2044 cfuse_workunit_snaps ...
2011-11-16T00:05:11.781 INFO:teuthology.task.workunit...
11/11/2011
- 12:37 AM Bug #1702: Ceph MDS crash + client mount problem
- Yes I am stopping the clients and remounting...but if im doing a mkcephfs, i make sure to umount all the clients befo...
11/10/2011
- 03:29 PM Bug #1702: Ceph MDS crash + client mount problem
- Gokul Krishnan wrote:
> Thank you for reverting back so quickly.
>
> Well in my scenario, i just have one Ceph se... - 03:29 PM Bug #1702: Ceph MDS crash + client mount problem
- Gokul Krishnan wrote:
> by the way,
> you have assigned a target version as v0.39...but in the site i can find only... - 01:50 AM Bug #1702: Ceph MDS crash + client mount problem
- by the way,
you have assigned a target version as v0.39...but in the site i can find only the source for v0.37...
e... - 12:45 AM Bug #1702: Ceph MDS crash + client mount problem
- Thank you for reverting back so quickly.
Well in my scenario, i just have one Ceph server running. And yes, every ... - 02:57 PM Feature #1448: test hadoop on sepia
- The following benchmark, TestDFSIO, is for 12 OSDs, 1 MDS/MON. There is a single ext4 disk per node dedicated to Ceph...
11/09/2011
- 03:00 PM Bug #1702: Ceph MDS crash + client mount problem
- Ok, so generally speaking, the only time you shoudl see fsid mismatches like that is if you have daemons from multipl...
- 02:55 PM Bug #1702: Ceph MDS crash + client mount problem
- Hello,
thank you for the reply.
no, unfortunately i am not able to reproduce the error using debug ms = 20(for MD... - 01:23 PM Bug #1702 (Need More Info): Ceph MDS crash + client mount problem
- Are you able to reproduce this with 'debug mds = 20' and 'debug ms = 20' in your ceph.conf [mds section]?
Not sure... - 12:51 PM Bug #1702 (Can't reproduce): Ceph MDS crash + client mount problem
- Hello,
i have configured ceph using a configuration as shown here[[http://pastebin.com/sQb8WZbx]].
The Ceph serve... - 07:19 AM Bug #1472: cfuse hangs with v0.34
- Some of the hangs we've been seeing on the client may have been related to having two nics on each node. We had seen...
11/07/2011
- 02:59 PM Feature #1693: libcephfs: Support TRIM (hole punching)
- Kernelside ceph.ko ticket is #591. Let this ticket stand for the userspace libcephfs (and ceph-fuse) support.
- 02:12 PM Feature #1693 (Resolved): libcephfs: Support TRIM (hole punching)
11/04/2011
- 02:47 PM Bug #1472: cfuse hangs with v0.34
- We're seeing similar hangs again. One thing I didn't mention in my previous posts, we are always adjusting the repli...
- 12:55 PM Bug #1682 (Resolved): mds: segfault in CInode::authority
- From teuthology:~teuthworker/archive/nightly_coverage_2011-11-04/1469/teuthology.log:...
- 09:53 AM Feature #1680 (New): support reflink (cheap file copy/clone)
- It seems the API is still fs-specific ioctls, but there's repeated discussion about reflink(2).
If a nice common API...
11/03/2011
- 04:39 PM Bug #1663 (Resolved): Hadoop: file ownership/permission not available in hadoop
- This is still a pretty cheap fix :), but I think it's enough to close out this bug.
- 04:12 PM Bug #1663: Hadoop: file ownership/permission not available in hadoop
- a79b7e17ebbc70cedae80216986ae5fd52a1c0b7 provides an OK fix for now. Basically it makes any file look like the curren...
- 04:08 PM Bug #1666: hadoop: time-related meta-data problems
- Bummer. Well... for the time being it may be sufficient to force FileStatus.getModificationTime() to go directly to t...
- 03:58 PM Bug #1666: hadoop: time-related meta-data problems
- Yeah, it's not impossible, I just would have thought that one of the other updates would have prompted the server to ...
- 03:52 PM Bug #1666: hadoop: time-related meta-data problems
- Do you mean that you are surprised that client-1's inode didn't get updated from the server's change before the stat ...
- 03:49 PM Bug #1666: hadoop: time-related meta-data problems
- If that's the case then I'm surprised the mtime didn't get updated at an earlier time. If nothing else we can probabl...
- 03:44 PM Bug #1666: hadoop: time-related meta-data problems
- Greg Farnum wrote:
> So the "bad" mtime is the same time the inode was created on the MDS server?
I think so. Her... - 03:35 PM Bug #1666: hadoop: time-related meta-data problems
- So the "bad" mtime is the same time the inode was created on the MDS server?
- 03:30 PM Bug #1666: hadoop: time-related meta-data problems
- If Client-1 is seeing a cached copy of the inode's mtime, then the following server-side scenario may explain what's ...
- 02:44 PM Bug #1666: hadoop: time-related meta-data problems
- Grepping for the inode number got me this:...
- 01:20 PM Bug #1666: hadoop: time-related meta-data problems
- Sage Weil wrote:
> If you can generate client logs for C1 and C2 (debug ms = 1, debug client = 10) that should tell ... - 11:44 AM Bug #1666: hadoop: time-related meta-data problems
- If you can generate client logs for C1 and C2 (debug ms = 1, debug client = 10) that should tell us everything.
- 11:07 AM Bug #1666: hadoop: time-related meta-data problems
- Just ran a little experiment that may shed some light on this....
- 03:49 PM Bug #1677: mds interval_set.h: 385: FAILED assert(p->first <= start)
- Here is the log from the MDS that caused this. I have from the other mds's, mon, and osd if it is relevant -- but not...
- 03:44 PM Bug #1677 (Resolved): mds interval_set.h: 385: FAILED assert(p->first <= start)
- Noah got this and sent it to the mailing list on Oct 28, 2011:...
- 11:54 AM Bug #1675 (Can't reproduce): mds: failed rstat assert
- This happened during the multiple_rsync workunit.
From teuthology:~teuthworker/archive/nightly_coverage_2011-11-03/1...
11/02/2011
- 08:45 PM Bug #1666: hadoop: time-related meta-data problems
- Something like this would make the most sense to me. (I'd have to check the specifics of mtime updating to see exactly.)
- 08:30 PM Bug #1666: hadoop: time-related meta-data problems
- Formatting oops:...
- 08:29 PM Bug #1666: hadoop: time-related meta-data problems
- You're right about that last point Greg, it doesn't quite add up--not thinking straight today.
Here is what happen... - 07:46 PM Bug #1666: hadoop: time-related meta-data problems
- I'd have to look at the specifics again -- but it probably can't be done. If the client buffers a write and then flus...
- 06:39 PM Bug #1666: hadoop: time-related meta-data problems
- So, I think I've got this nailed down. The good news is that the error was a clock sync issue. The bad news is that i...
11/01/2011
- 11:08 AM Bug #1549: mds: zeroed root CDir* vtable in scatter_writebehind_finish
- Someone needs to try to reproduce this with logs. fwiw metropolis:~sage/src/teuthology/hammer.sh is what i've been u...
- 10:22 AM Bug #1549: mds: zeroed root CDir* vtable in scatter_writebehind_finish
- This happened after the misc workunit today.
10/31/2011
- 05:32 PM Bug #1666: hadoop: time-related meta-data problems
- It looks like the check is equality of timestamps. So, I think Hadoop is setting an explicit timestamp, and sometime ...
- 05:30 PM Bug #1666: hadoop: time-related meta-data problems
- All of the local clocks on the nodes look good. The code is comparing timestamps (I assume since epoch), so maybe the...
- 05:06 PM Bug #1666: hadoop: time-related meta-data problems
- Neither of these errors are in code that's remotely familiar to me. So my first favorite question is:
Are your clock... - 04:55 PM Bug #1666 (Resolved): hadoop: time-related meta-data problems
- The following exceptions are being thrown. It looks like something related to lstat?
pre>
java.io.IOException: Th... - 11:35 AM Bug #1661 (Resolved): Hadoop: expected system directories not present
- Apparently this was actually the result of an API mismatch. Fixed by Noah's patch in commit:f9b7ecdb5bba1439dc4c13005...
10/28/2011
- 03:46 PM Bug #1661: Hadoop: expected system directories not present
- Blindly creating directories is definitely not the proper solution. Somebody will need to take the time to figure out...
- 03:32 PM Bug #1661: Hadoop: expected system directories not present
- In this particular instance it is a map-reduce specific directory. I suspect that MapReduce is responsible for this, ...
- 03:22 PM Bug #1661: Hadoop: expected system directories not present
- Sounds to me like CephFileSystem should just create the directory if it doesn't exist..
- 03:13 PM Bug #1661: Hadoop: expected system directories not present
- Good to know. I think at this point I need to paper over many things, but want to record all these issues. I'll just ...
- 03:08 PM Bug #1661: Hadoop: expected system directories not present
- I remember running into this issue when developing things and deciding to just paper over it at the time -- I couldn'...
- 03:05 PM Bug #1661: Hadoop: expected system directories not present
- Adding: when this directory is created by hand before map reduce starts the error is gone.
- 03:04 PM Bug #1661 (Resolved): Hadoop: expected system directories not present
- Hadoop complains that directories within the file system that are expected to be present are not present. Hadoop may ...
- 03:24 PM Bug #1663: Hadoop: file ownership/permission not available in hadoop
- Noah Watkins wrote:
> This is a very simple hack that will make hadoop ignore the permission for the time being:
... - 03:23 PM Bug #1663: Hadoop: file ownership/permission not available in hadoop
- This is a very simple hack that will make hadoop ignore the permission for the time being:
diff --git a/src/mapred... - 03:16 PM Bug #1663 (Resolved): Hadoop: file ownership/permission not available in hadoop
- Hadoop complains about incorrect file ownership. An 'ls' via Hadoop FS interface reveals no permission information, b...
10/27/2011
- 10:46 AM Bug #1549 (Need More Info): mds: zeroed root CDir* vtable in scatter_writebehind_finish
- bleh. need logs... i'll start this up in a loop again.
- 10:33 AM Bug #1549: mds: zeroed root CDir* vtable in scatter_writebehind_finish
- This happened again today after fsstress. From teuthology:~teuthworker/archive/nightly_coverage_2011-10-27/1083/teuth...
10/26/2011
- 04:03 PM Bug #1656: Hadoop client unit test failures
- Sounds good to me -- which patches we want to keep in the tree are probably a management decision but I'm happy to pu...
- 03:55 PM Bug #1656: Hadoop client unit test failures
- Alright, so I think at this point I'd like to see two patches:
1) A patch against the downloadable tarball (much e... - 03:49 PM Bug #1656: Hadoop client unit test failures
- I believe the patch was made against the then-current svn 0.21 branch (which is now very dead). I pushed changes to t...
- 03:39 PM Bug #1656: Hadoop client unit test failures
- This was hadoop-0.20.205.0 with the latest Ceph master branch.
It looked like the patch in src/client/hadoop was o... - 03:30 PM Bug #1656: Hadoop client unit test failures
- What versions of the systems were you running when these failed?
I don't remember how they're set up but they migh... - 01:59 PM Bug #1656 (Won't Fix): Hadoop client unit test failures
- The Ceph Hadoop File System passes nearly all its tests except a few. I've included the test log below that shows the...
10/25/2011
- 04:48 PM Bug #1114 (Need More Info): NFS export extreme slowdown
- Need to reproduce this on the current trunk and fully characterize what is going on.
- the the nfs server in sync ... - 03:50 PM Bug #1585 (Can't reproduce): mds crash during shutdown
10/21/2011
- 10:59 AM Bug #1640 (Need More Info): mds: failed assert(trim_to > trimming_pos)
- need logs with 'debug journaler = 20' and 'debug ms = 1' on the mds for this one
- 10:57 AM Bug #1509 (Need More Info): cfuse sometimes hangs after unmount
- 10:56 AM Bug #1596 (Need More Info): mds crash during ffsb on kernel client in CInode::is_frozen
- 10:52 AM Bug #1603 (Need More Info): ceph-fuse crash during unmount
- have this one going in a loop to catch it with logs
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