[Lustre-discuss] stripe don't work

[Alfonso Pardo]

Hello!

I just migrate my lustre filesystem to version 2.2. I am trying to 
activate the stripe, but when I copy a file into the filesystem, it's 
allocated into only one OST.

This is my procedure:

/From client:
//#> //lfs setstripe -s 1M /mnt/data/
//#> //lfs df

UUID                   1K-blocks        Used   Available Use% Mounted on
cetafs-MDT0000_UUID   1462920404      501360  1364873324   0% 
/mnt/data[MDT:0]
cetafs-OST0000_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:0]
cetafs-OST0001_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:1]
cetafs-OST0002_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:2]
cetafs-OST0003_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:3]
cetafs-OST0004_UUID   9760101272      450304  9267055468   0% 
/mnt/data[OST:4]
cetafs-OST0005_UUID   9760101272      450304  9271366744   0% 
/mnt/data[OST:5]
cetafs-OST0006_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:6]
cetafs-OST0007_UUID   9760101272      450304  9271366744   0% 
/mnt/data[OST:7]
cetafs-OST0008_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:8]
cetafs-OST0009_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:9]
cetafs-OST000a_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:10]
cetafs-OST000b_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:11]
cetafs-OST000c_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:12]
cetafs-OST000d_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:13]
cetafs-OST000e_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:14]
cetafs-OST000f_UUID   9760101272       450304  9271374936   0% 
/mnt/data[OST:15]
cetafs-OST0010_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:16]
cetafs-OST0011_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:17]

filesystem summary:  175681822896     8105472 166884732464   0% /mnt/data


/Then, I copy a 4'5GB file, but...:/

#> lfs getstripe CentOS-6.2-x86_64-bin-DVD1.iso
CentOS-6.2-x86_64-bin-DVD1.iso
lmm_stripe_count:   1
lmm_stripe_size:    262144
lmm_stripe_offset:  4
     obdidx         objid        objid         group
          4                 2              0x2                 0

//#> //lfs df
UUID                   1K-blocks        Used   Available Use% Mounted on
cetafs-MDT0000_UUID   1462920404      501360  1364873324   0% 
/mnt/data[MDT:0]
cetafs-OST0000_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:0]
cetafs-OST0001_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:1]
cetafs-OST0002_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:2]
cetafs-OST0003_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:3]
cetafs-OST0004_UUID   9760101272     4769772  9267055468   0% 
/mnt/data[OST:4]
cetafs-OST0005_UUID   9760101272      450304  9271366744   0% 
/mnt/data[OST:5]
cetafs-OST0006_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:6]
cetafs-OST0007_UUID   9760101272      450304  9271366744   0% 
/mnt/data[OST:7]
cetafs-OST0008_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:8]
cetafs-OST0009_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:9]
cetafs-OST000a_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:10]
cetafs-OST000b_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:11]
cetafs-OST000c_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:12]
cetafs-OST000d_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:13]
cetafs-OST000e_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:14]
cetafs-OST000f_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:15]
cetafs-OST0010_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:16]
cetafs-OST0011_UUID   9760101272      450304  9271374936   0% 
/mnt/data[OST:17]

filesystem summary:  175681822896    12424940 166880412996   0% /mnt/data/

The file is only allocated into OST with index 4


Can someone help me?


Thanks!!!!!!!!
-- 

/Alfonso Pardo Díaz/

*/IT Manager/*
/c/ Sola nº 1; 10200 Trujillo, ESPAÑA/
/Tel: +34 927 65 93 17 Fax: +34 927 32 32 37/

CETA-Ciemat logo <http://www.ceta-ciemat.es/>


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