Hi Greg, I found that the mds process dies during the weird 'untar' behavior. I am trying to analyze the logs. May be I will find something there. I also have made another mistake. My client host runs FC13 whereas the rest (mon-mds, osd1, and osd2) are FC14. Is this mix of OS OK ? I will anyway try and quickly upgrade the client to FC14 ASAP. Thanks. --ajit On Thu, 2011-03-10 at 09:16 -0800, Gregory Farnum wrote: > Hmmm, your conf file isn't obviously broken but you shouldn't be having any trouble with an untar, either. > > When the untar hangs, have you checked to make sure none of the daemons have crashed? Are they all idle, or is one of them using a lot of CPU? > -Greg > On Thursday, March 10, 2011 at 3:04 AM, Ajit K Jena wrote: > > Hi List, > > > > We are trying to setup a small 3 node ceph testbed. > > The basic setup is: > > > > node1: cmon and mds > > > > node2: osd1 > > > > node3: osd2 > > > > cl1 and cl2: The clients where ceph filesystem > > is mounted. We are using it as a > > standard POSIX filesystem and not > > using fuse. > > > > Operating System: All the participating systems > > have Fedora core 14 as the operating > > system. > > > > Underlying Filesystem: We have tried both btrfs and > > and ext4. For each filesystem type we > > have tried both with and without journal > > options. > > > > Ceph version: 0.25 > > > > The problem we are facing is: > > > > The setup goes thru fine. When we copy single files of > > upto 5-6 GB that also is fine. However we get into trouble > > if we untar even small files (e.g. 50 MB). The untar > > process on the client hangs. In fact if any process tries > > to access the ceph mounted filesystem (e.g. doing 'ls -l'), > > the process simply hangs and even the shell gets locked > > up. The only solution seems to be a system reboot. > > > > The ceph.conf file is attached with the mail. > > > > Pl help us solve this problem. I have seen > > other postings in this list where people talk > > about performance benchmarking but we are > > stuck up on this very basic issue. > > > > Thanks in anticipation. > > > > --ajit > > > > Attachments: > > - ceph.conf > > > > > > > -- > To unsubscribe from this list: send the line "unsubscribe ceph-devel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html