Is the changelogs feature enabled? On Thu, Sep 29, 2016 at 8:58 AM, Jessica Otey <jo...@nrao.edu> wrote:
> Hello all, > I write on behalf of my colleagues in Chile, who are experiencing a > bizarre problem with their MDT, namely, it is filling up with 4 MB files. > There is no issue with the number of inodes, of which there are hundreds of > millions unused. > > [root@jaopost-mds ~]# tune2fs -l /dev/sdb2 | grep -i inode > device /dev/sdb2 mounted by lustre > Filesystem features: has_journal ext_attr resize_inode dir_index > filetype needs_recovery flex_bg dirdata sparse_super large_file huge_file > uninit_bg dir_nlink quota > Inode count: 239730688 > Free inodes: 223553405 > Inodes per group: 32768 > Inode blocks per group: 4096 > First inode: 11 > Inode size: 512 > Journal inode: 8 > Journal backup: inode blocks > User quota inode: 3 > Group quota inode: 4 > > Has anyone ever encountered such a problem? The only thing unusual about > this cluster is that it is using 2.5.3 MDS/OSSes while still using 1.8.9 > clients—something I didn't actually believe was possible, as I thought the > last version to work effectively with 1.8.9 clients was 2.4.3. However, for > all I know, the version gap may have nothing to do with this phenomena. > > Any and all advice is appreciated. Any general information on the > structure of the MDT also welcome, as such info is in short supply on the > internet. > > Thanks, > Jessica > > Below is a look inside the O folder at the root of the MDT, where there > are about 48,000 4MB files: > > [root@jaopost-mds O]# pwd > /lustrebackup/O > [root@jaopost-mds O]# tree -L 1 > . > ├── 1 > ├── 10 > └── 200000003 > > 3 directories, 0 files > > [root@jaopost-mds O]# ls -l 1 > total 2240 > drwx------ 2 root root 69632 sep 16 16:25 d0 > drwx------ 2 root root 69632 sep 16 16:25 d1 > drwx------ 2 root root 61440 sep 16 17:46 d10 > drwx------ 2 root root 69632 sep 16 17:46 d11 > drwx------ 2 root root 69632 sep 16 18:04 d12 > drwx------ 2 root root 65536 sep 16 18:04 d13 > drwx------ 2 root root 65536 sep 16 18:04 d14 > drwx------ 2 root root 69632 sep 16 18:04 d15 > drwx------ 2 root root 61440 sep 16 18:04 d16 > drwx------ 2 root root 61440 sep 16 18:04 d17 > drwx------ 2 root root 69632 sep 16 18:04 d18 > drwx------ 2 root root 69632 sep 16 18:04 d19 > drwx------ 2 root root 65536 sep 16 16:25 d2 > drwx------ 2 root root 69632 sep 16 18:04 d20 > drwx------ 2 root root 69632 sep 16 18:04 d21 > drwx------ 2 root root 61440 sep 16 18:04 d22 > drwx------ 2 root root 69632 sep 16 18:04 d23 > drwx------ 2 root root 61440 sep 16 16:11 d24 > drwx------ 2 root root 69632 sep 16 16:11 d25 > drwx------ 2 root root 69632 sep 16 16:11 d26 > drwx------ 2 root root 69632 sep 16 16:11 d27 > drwx------ 2 root root 69632 sep 16 16:25 d28 > drwx------ 2 root root 69632 sep 16 16:25 d29 > drwx------ 2 root root 69632 sep 16 16:25 d3 > drwx------ 2 root root 65536 sep 16 16:25 d30 > drwx------ 2 root root 65536 sep 16 16:25 d31 > drwx------ 2 root root 69632 sep 16 16:25 d4 > drwx------ 2 root root 61440 sep 16 16:25 d5 > drwx------ 2 root root 69632 sep 16 16:25 d6 > drwx------ 2 root root 73728 sep 16 16:25 d7 > drwx------ 2 root root 65536 sep 16 17:46 d8 > drwx------ 2 root root 69632 sep 16 17:46 d9 > -rw-r--r-- 1 root root 8 ene 4 2016 LAST_ID > > [root@jaopost-mds d0]# ls -ltr | more > total 5865240 > -rw-r--r-- 1 root root 252544 ene 4 2016 32 > -rw-r--r-- 1 root root 2396224 ene 9 2016 2720 > -rw-r--r-- 1 root root 4153280 ene 9 2016 2752 > -rw-r--r-- 1 root root 4153280 ene 10 2016 2784 > -rw-r--r-- 1 root root 4153280 ene 10 2016 2816 > -rw-r--r-- 1 root root 4153280 ene 10 2016 2848 > -rw-r--r-- 1 root root 4153280 ene 10 2016 2880 > -rw-r--r-- 1 root root 4153280 ene 10 2016 2944 > -rw-r--r-- 1 root root 4153280 ene 10 2016 2976 > -rw-r--r-- 1 root root 4153280 ene 10 2016 3008 > -rw-r--r-- 1 root root 4153280 ene 10 2016 3040 > -rw-r--r-- 1 root root 4153280 ene 10 2016 3072 > -rw-r--r-- 1 root root 4153280 ene 10 2016 3104 > -rw-r--r-- 1 root root 4153280 ene 10 2016 3136 > -rw-r--r-- 1 root root 4153280 ene 10 2016 3168 > -rw-r--r-- 1 root root 4153280 ene 10 2016 3200 > -rw-r--r-- 1 root root 4153280 ene 10 2016 3232 > -rw-r--r-- 1 root root 4153280 ene 10 2016 3264 > -rw-r--r-- 1 root root 4153280 ene 10 2016 3296 > -rw-r--r-- 1 root root 4153280 ene 10 2016 3328 > > > > _______________________________________________ > lustre-discuss mailing list > lustre-discuss@lists.lustre.org > http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org > >
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