Re: [Lustre-discuss] Disappearing OSTs

2008-05-05 Thread Thomas Roth
Hello Bernd, could you give some details on the data corruption you have seen? We have been using GPT tables for some time now, but the partitions have been filled up only on NFS servers, not on Lustre OSS. And on these NFS volumes there were no problems attributed to the partition size. This

Re: [Lustre-discuss] Disappearing OSTs

2008-05-05 Thread Bernd Schubert
Hello Thomas, On Monday 05 May 2008 18:53:12 Thomas Roth wrote: Hello Bernd, could you give some details on the data corruption you have seen? We have been using GPT tables for some time now, but the partitions have been filled up only on NFS servers, not on Lustre OSS. And on these NFS

Re: [Lustre-discuss] Disappearing OSTs

2008-05-05 Thread Andreas Dilger
On May 05, 2008 11:57 -0400, jrs wrote: mds01:/net/lmd01/space/lustre # mount -t lustre /dev/mapper/mdt_mds01_lustre0102 /mnt/lustre/mdt mount.lustre: mount /dev/mapper/mdt_mds01_lustre0102 at /mnt/lustre/mdt failed: Invalid argument This may have multiple causes. Are the mount options

Re: [Lustre-discuss] Disappearing OSTs

2008-05-05 Thread Bernd Schubert
On Monday 05 May 2008 19:21:43 Andreas Dilger wrote: (parted) p Model: Unknown (unknown) Disk /dev/mapper/ost_oss01_lustre0304_01: 6001GB Sector size (logical/physical): 512B/512B Partition Table: loop Number Start End SizeFile system Flags 1 0.00B 6001GB

[Lustre-discuss] Building Lustre 1.6 against OFED 1.3

2008-05-05 Thread Kumaran Rajaram
Hi, Has anyone been successful in building Lustrev1.6.4.3 with OFEDv1.3? My cluster configuration is as follows: Hardware Config: x86_64 Software Config: SLES10.1, 2.6.16.46-0.12-lustre (Stock SP1 Kernel + Lustre patches), OFEDv1.3.1,

Re: [Lustre-discuss] xdd versus sgp_dd

2008-05-05 Thread Andreas Dilger
On May 04, 2008 21:45 -0300, Peter Bojanic wrote: Dave, thanks for the great response --this could easily be elavorated as a short LCE whitepaper, btw. I look forward to hearing from Andreas, Alex and other Lustre engineers on this. I haven't personally been using sgp_dd or xdd very

Re: [Lustre-discuss] Disappearing OSTs

2008-05-05 Thread jrs
Well, things have changed again as I'm trying to get back to something that works but on one of the MDSs you see. Below that I have the output of 'multipath -l'. I dual port HBAs and multiple paths to the backend storage so it looks a little complex. I've modified the /etc/multipathd.conf file

[Lustre-discuss] no default mmp set for MDT with --failnode

2008-05-05 Thread jrs
The docs say that specifying --failnode should automatically set mmp on the filesystem. I've seen it work and not work ... It doesn't in this case ... mds01:/net/lmd01/space/lustre # mkfs.lustre --reformat --fsname i3_lfs4 --mdt --mgs --failnode mds02 /dev/mapper/mdt_lustre03-04_00_dm_8_mds01