On 04/13/2010 04:53 AM, Shehjar Tikoo wrote: > chadr wrote: >> I ran the same dd tests from KnowYourNFSAlpha-1.pdf and performance is >> inconsistent and causes the server to become unresponsive. >> >> My server freezes every time when I run the following command: >> dd if=/dev/zero of=garb bs=256k count=64000 >> > > Please confirm whether the server freezes or crashes? I ask because > we've had a couple of reports of hanging/freezing servers when > actually they had crashed. The way to figure it out is to let us have > the complete log file, or at least the last few hundred lines. The server becomes unresponsive and needs to be rebooted. I've seen it kernel panic a few times as well. I recently tried unfs3+fuse and had the same result. > >> I would also like to mount a path like: /volume/some/random/dir >> # mount host:/gluster/tmp /mnt/test >> mount: host:/gluster/tmp failed, reason given by server: No such file or >> directory >> >> I can mount it up host:/volume_name and /mnt/test/tmp exists >> > I see you're trying to mount a directory from a GlusterFS subvolume as > an NFS export by itself. This is not supported in the Alpha release. > NFS server right now allows each GlusterFS subvolume to be a single > NFS export. We are, however, planning to introduce this functionality > in the near future. Thats what I figured. This is a must ;) > > Thanks > -Shehjar > >> dd if=/dev/zero of=garb bs=64K count=100 >> 100+0 records in >> 100+0 records out >> 6553600 bytes (6.6 MB) copied, 0.068906 seconds, 95.1 MB/s >> >> dd of=garb if=/dev/zero bs=64K count=100 >> 100+0 records in >> 100+0 records out >> 6553600 bytes (6.6 MB) copied, 0.057207 seconds, 115 MB/s >> >> dd if=/dev/zero of=garb bs=64K count=1000 >> 1000+0 records in >> 1000+0 records out >> 65536000 bytes (66 MB) copied, 0.523117 seconds, 125 MB/s >> >> dd of=garb if=/dev/zero bs=64K count=1000 >> 1000+0 records in >> 1000+0 records out >> 65536000 bytes (66 MB) copied, 1.04666 seconds, 62.6 MB/s >> >> dd if=/dev/zero of=garb bs=64K count=10000 >> 10000+0 records in >> 10000+0 records out >> 655360000 bytes (655 MB) copied, 10.9809 seconds, 59.7 MB/s >> >> dd of=garb if=/dev/zero bs=64K count=10000 >> 10000+0 records in >> 10000+0 records out >> 655360000 bytes (655 MB) copied, 11.3515 seconds, 57.7 MB/s >> >> dd if=/dev/zero of=garb bs=128K count=100 >> 100+0 records in >> 100+0 records out >> 13107200 bytes (13 MB) copied, 0.105364 seconds, 124 MB/s >> >> dd of=garb if=/dev/zero bs=128K count=100 >> 100+0 records in >> 100+0 records out >> 13107200 bytes (13 MB) copied, 0.254225 seconds, 51.6 MB/s >> >> dd if=/dev/zero of=garb bs=128K count=1000 >> 1000+0 records in >> 1000+0 records out >> 131072000 bytes (131 MB) copied, 60.1008 seconds, 2.2 MB/s >> >> dd of=garb if=/dev/zero bs=128K count=1000 >> 1000+0 records in >> 1000+0 records out >> 131072000 bytes (131 MB) copied, 1.51868 seconds, 86.3 MB/s >> >> dd if=/dev/zero of=garb bs=128K count=10000 >> 10000+0 records in >> 10000+0 records out >> 1310720000 bytes (1.3 GB) copied, 18.7755 seconds, 69.8 MB/s >> >> dd of=garb if=/dev/zero bs=128K count=10000 >> 10000+0 records in >> 10000+0 records out >> 1310720000 bytes (1.3 GB) copied, 18.9837 seconds, 69.0 MB/s >> >> dd if=/dev/zero of=garb bs=256k count=64000 >> My server freezes. >> >> >> Here is the recent nfs log when the server froze: >> >> [2010-04-09 23:37:33] D [nfs3-helpers.c:2114:nfs3_log_rw_call] >> nfs-nfsv3: >> XID: 6f68c85f, WRITE: args: FH: hashcount 2, xlid 0, gen >> 5458285267163021319, ino 11856898, offset: 1129578496, count: 65536, >> UNSTABLE >> [2010-04-09 23:37:33] D [rpcsvc.c:1790:rpcsvc_request_create] >> rpc-service: >> RPC XID: 7068c85f, Ver: 2, Program: 100003, ProgVers: 3, Proc: 7 >> [2010-04-09 23:37:33] D [rpcsvc.c:1266:rpcsvc_program_actor] >> rpc-service: >> Actor found: NFS3 - WRITE >> [2010-04-09 23:37:33] D [rpcsvc.c:1266:rpcsvc_program_actor] >> rpc-service: >> Actor found: NFS3 - WRITE >> [2010-04-09 23:37:33] D [rpcsvc.c:1266:rpcsvc_program_actor] >> rpc-service: >> Actor found: NFS3 - WRITE >> [2010-04-09 23:37:33] D [rpcsvc.c:1266:rpcsvc_program_actor] >> rpc-service: >> Actor found: NFS3 - WRITE >> [2010-04-09 23:37:33] D [rpcsvc.c:1266:rpcsvc_program_actor] >> rpc-service: >> Actor found: NFS3 - WRITE >> [2010-04-09 23:37:33] D [nfs3-helpers.c:2114:nfs3_log_rw_call] >> nfs-nfsv3: >> XID: 7068c85f, WRITE: args: FH: hashcount 2, xlid 0, gen >> 5458285267163021319, ino 11856898, offset: 1129644032, count: 65536, >> UNSTABLE >> [2010-04-09 23:37:33] D [rpcsvc.c:1790:rpcsvc_request_create] >> rpc-service: >> RPC XID: 7168c85f, Ver: 2, Program: 100003, ProgVers: 3, Proc: 7 >> [2010-04-09 23:37:33] D [rpcsvc.c:1266:rpcsvc_program_actor] >> rpc-service: >> Actor found: NFS3 - WRITE >> [2010-04-09 23:37:33] D [rpcsvc.c:1266:rpcsvc_program_actor] >> rpc-service: >> Actor found: NFS3 - WRITE >> [2010-04-09 23:37:33] D [rpcsvc.c:1266:rpcsvc_program_actor] >> rpc-service: >> Actor found: NFS3 - WRITE >> [2010-04-09 23:37:33] D [rpcsvc.c:1266:rpcsvc_program_actor] >> rpc-service: >> Actor found: NFS3 - WRITE >> [2010-04-09 23:37:33] D [rpcsvc.c:1266:rpcsvc_program_actor] >> rpc-service: >> Actor found: NFS3 - WRITE >> [2010-04-09 23:37:33] D [nfs3-helpers.c:2114:nfs3_log_rw_call] >> nfs-nfsv3: >> XID: 7168c85f, WRITE: args: FH: hashcount 2, xlid 0, gen >> 5458285267163021319, ino 11856898, offset: 1129709568, count: 65536, >> UNSTABLE >> [2010-04-09 23:38:33] D [rpcsvc.c:1790:rpcsvc_request_create] >> rpc-service: >> RPC XID: 6268c85f, Ver: 2, Program: 100003, ProgVers: 3, Proc: 7 >> >> Thanks, >> Chad Richards >> _______________________________________________ >> Gluster-users mailing list >> Gluster-users at gluster.org >> http://gluster.org/cgi-bin/mailman/listinfo/gluster-users -- Chad Richards, Production Engineer Aspen Systems, Inc. www.aspsys.com 3900 Youngfield St, Wheat Ridge, CO 80033 303.431.4606 x116 (desk), 720.216.3500 (mobile)
