[Lustre-discuss] stripe don't work
Alfonso Pardo
alfonso.pardo at ciemat.es
Mon May 28 07:22:23 PDT 2012
GOAL!
You are the best!
/# lfs setstripe -c -1 -s 1M /mnt/data/
# dd if=/dev/zero of=test bs=1M count=4
# lfs getstripe test
test
lmm_stripe_count: 18
lmm_stripe_size: 1048576
lmm_stripe_offset: 6
obdidx objid objid group
6 2 0x2 0
8 2 0x2 0
9 2 0x2 0
12 2 0x2 0
14 2 0x2 0
16 2 0x2 0
1 2 0x2 0
3 2 0x2 0
5 2 0x2 0
7 2 0x2 0
10 2 0x2 0
11 2 0x2 0
13 2 0x2 0
15 3 0x3 0
17 3 0x3 0
0 3 0x3 0
2 3 0x3 0
4 2 0x2 0/
On 28/05/12 16:09, Colin Faber wrote:
>
> Hi,
>
> The output indicates stripe count of 1. Use lfs setstripe to set the
> stripe count to something other than 1. I.e. -c -1 for all osts.
>
> On May 28, 2012 7:34 AM, "Alfonso Pardo" <alfonso.pardo at ciemat.es
> <mailto:alfonso.pardo at ciemat.es>> wrote:
>
> 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
> <tel:%2B34%20927%2032%2032%2037>/
>
> CETA-Ciemat logo <http://www.ceta-ciemat.es/>
>
> ---------------------------- Confidencialidad: Este mensaje y sus
> ficheros adjuntos se dirige exclusivamente a su destinatario y
> puede contener información privilegiada o confidencial. Si no es
> vd. el destinatario indicado, queda notificado de que la
> utilización, divulgación y/o copia sin autorización está prohibida
> en virtud de la legislación vigente. Si ha recibido este mensaje
> por error, le rogamos que nos lo comunique inmediatamente
> respondiendo al mensaje y proceda a su destrucción. Disclaimer:
> This message and its attached files is intended exclusively for
> its recipients and may contain confidential information. If you
> received this e-mail in error you are hereby notified that any
> dissemination, copy or disclosure of this communication is
> strictly prohibited and may be unlawful. In this case, please
> notify us by a reply and delete this email and its contents
> immediately. ----------------------------
>
> _______________________________________________
> Lustre-discuss mailing list
> Lustre-discuss at lists.lustre.org
> <mailto:Lustre-discuss at lists.lustre.org>
> http://lists.lustre.org/mailman/listinfo/lustre-discuss
>
--
/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/>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.lustre.org/pipermail/lustre-discuss-lustre.org/attachments/20120528/a47225a3/attachment.htm>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: image/png
Size: 26213 bytes
Desc: not available
URL: <http://lists.lustre.org/pipermail/lustre-discuss-lustre.org/attachments/20120528/a47225a3/attachment.png>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: image001.png
Type: image/png
Size: 26213 bytes
Desc: not available
URL: <http://lists.lustre.org/pipermail/lustre-discuss-lustre.org/attachments/20120528/a47225a3/attachment-0001.png>
More information about the lustre-discuss
mailing list