[Lustre-discuss] Different Disk Size on the cluster nodes
Alessio Terpin
aterpin at aoes.com
Mon Feb 23 08:28:14 PST 2009
Dear ML,
I have plan to install lustre on my cluster, i have make some test on
a testbed and it's works
Now I have to "migrate" to the production cluster, the production
cluster have 3 different machine
with different disk size and perfomance, becuase I would like to use
same RAID configuration [ 10 or 6 ]
I wuold know if is possibile to make this using different size disk.
Machine
type A - > 200 GB for lustre
type B - > 60 GB for lustre
type C - > 30 Gb for lustre
Use Case 1)
all the machines A,B,C make a single RAID 10 or 6 filesystem, the
complexity is managed by lustre
Is possibile ?
Use Case 2)
The RAID 10 want to have the same disk, so taht I need to have 3
seaparte lustre filesystem, one for ecah type of machine
i.e. lustreA lustreB , lustre C
as far I have understood to make this is neccassary to have 3 separate
MDS.
Can a MDS server more tha 1 filesystem ?
Can a host serve 3 seaparate MDS one for each filesystem, if yes In
which way I have to configure the network ?
I thought that a mds use a tcp port, so that I have to chanche the
default port for the server and the OSS of each filesystem
Thank in advance
Alessio
--
Alessio Terpin: Unix System Administrator
Tel: +31 (0) 71 579 55 19 Fax: +31 (0) 71 572 12 77
AOES Huygensstraat 34 2201 DK Noordwijk (ZH) The Netherlands
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