[Lustre-discuss] stripe don't work
Alfonso Pardo
alfonso.pardo at ciemat.es
Mon May 28 06:33:36 PDT 2012
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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