At Tue, 03 Feb 2015 17:02:24 +0900, Hitoshi Mitake wrote: > > > Hi Hu, > Thanks for your report! > > At Tue, 3 Feb 2015 15:52:12 +0800, > hujianyang wrote: > > > > Hi Hitoshi, > > > > Sorry for disturb. > > > > I'm testing redundancy policy of sheepdog via iSCSI. I think > > if I create a 1G v-disk, the total space cost of this device > > should be 3*1G under a 3 copies policy. But after tests, I > > find the cost of this device is only 1G. Seems no additional > > copy is created. > > > > I don't know what happened. I'd like to should my configurations > > and wish you could take some time to help me. Many thanks! > > > > > > linux-rme9:/mnt # dog cluster info > > Cluster status: running, auto-recovery enabled > > > > Cluster created at Tue Feb 3 23:07:13 2015 > > > > Epoch Time Version [Host:Port:V-Nodes,,,] > > 2015-02-03 23:07:13 1 [130.1.0.147:7000:128, 130.1.0.148:7000:128, > > 130.1.0.149:7000:128] > > linux-rme9:/mnt # dog node list > > Id Host:Port V-Nodes Zone > > 0 130.1.0.147:7000 128 0 > > 1 130.1.0.148:7000 128 0 > > 2 130.1.0.149:7000 128 0 > > linux-rme9:/mnt # dog vdi list > > Name Id Size Used Shared Creation time VDI id Copies > > Tag Block Size Shift > > Hu0 0 1.0 GB 1.0 GB 0.0 MB 2015-02-03 23:12 6e7762 3 > > 22 > > linux-rme9:/mnt # dog node info > > Id Size Used Avail Use% > > 0 261 GB 368 MB 260 GB 0% > > 1 261 GB 336 MB 261 GB 0% > > 2 261 GB 320 MB 261 GB 0% > > Total 783 GB 1.0 GB 782 GB 0% > > > > Total virtual image size 1.0 GB > > > > linux-rme9:/mnt # tgtadm --op show --mode target > > Target 1: iqn.2015.01.org.sheepdog > > System information: > > Driver: iscsi > > State: ready > > I_T nexus information: > > I_T nexus: 3 > > Initiator: iqn.1996-04.de.suse:01:23a8f73738e7 alias: Fs-Server > > Connection: 0 > > IP Address: 130.1.0.10 > > LUN information: > > LUN: 0 > > Type: controller > > SCSI ID: IET 00010000 > > SCSI SN: beaf10 > > Size: 0 MB, Block size: 1 > > Online: Yes > > Removable media: No > > Prevent removal: No > > Readonly: No > > SWP: No > > Thin-provisioning: No > > Backing store type: null > > Backing store path: None > > Backing store flags: > > LUN: 1 > > Type: disk > > SCSI ID: IET 00010001 > > SCSI SN: beaf11 > > Size: 1074 MB, Block size: 512 > > Online: Yes > > Removable media: No > > Prevent removal: No > > Readonly: No > > SWP: No > > Thin-provisioning: No > > Backing store type: sheepdog > > Backing store path: tcp:130.1.0.147:7000:Hu0 > > Backing store flags: > > Account information: > > ACL information: > > ALL > > > > > > Client: > > # iscsiadm -m node --targetname iqn.2015.01.org.sheepdog --portal > > 130.1.0.147:3260 --rescan > > Rescanning session [sid: 4, target: iqn.2015.01.org.sheepdog, portal: > > 130.1.0.147,3260] > > # dd if=/dev/random of=/dev/sdg bs=2M > > dd: writing `/dev/sdg': No space left on device > > 0+13611539 records in > > 0+13611538 records out > > 1073741824 bytes (1.1 GB) copied, 956.511 s, 1.1 MB/s > > Hmm, seems strange. For diagnosing, I have some questions: > > 1. Can you see any error messages in log files of sheep? > 2. Could you provide lists of obj/ directories of sheep servers? > 3. Is this reproducible even you make file system on the iSCSI target > and put data on the file system? > 4. Is this reproducible even you append oflag=sync to the option of dd?
Additionaly, could you provide options of sheep? Thanks, Hitoshi > > Thanks, > Hitoshi > > > > > Thanks! > > Hu > > > > -- > > sheepdog mailing list > > [email protected] > > https://lists.wpkg.org/mailman/listinfo/sheepdog -- sheepdog mailing list [email protected] https://lists.wpkg.org/mailman/listinfo/sheepdog
