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08-24-2011 11:58 PM - last edited on 03-05-2015 11:12 PM by Maiko-I
08-24-2011 11:58 PM - last edited on 03-05-2015 11:12 PM by Maiko-I
Hello,
we have a System with 2 HP Server and 1 DHP DiskArray.
Both Servers are connected with Fibrechannel to the DiskArray.
On the Servers we run Ubuntu Linux in the newest Version.
The home directories of all users are mapped on the DiskArray.
Our proplem is:
If the system is running a few time the server recognise "I/O Errors" on the DiskArray.
I think this problem results from a access of both servers on the same file on the DiskArray at the same time.
Have anyone a solution for such problems?
Thanks for help.
P.S. This thread has been moved from General to Disk array. - Hp Forum Moderator
Solved! Go to Solution.
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08-25-2011 12:47 AM
08-25-2011 12:47 AM
Re: DiskArray - Fibrechannel - 2 Server
yes that would be expected if both servers access the same LUN and you use a file system that does not support clustering.
What file system is it on the shared home directories?
More specifically, which HP servers (and FC HBA) and what type of DiskArray are you using?
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08-25-2011 06:23 AM
08-25-2011 06:23 AM
Re: DiskArray - Fibrechannel - 2 Server
The Server are HP ProLiant DL580 G5 and the DiskArrays is a HP StorageWorks MSA2012fc.
On the DiskArray is a ext3 filesystem.
Can you give me some examples for file system that support clustering?
Or do you know a article or some internet side which explains how such clustering file system works.
Thanks for the answer,
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08-25-2011 08:03 AM
08-25-2011 08:03 AM
Re: DiskArray - Fibrechannel - 2 Server
Hi, some examples:
CSV (Windows)
Lustre
GPFS
VMFS
it needs to support more than one host accessing the same LUN.
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08-25-2011 10:39 AM
08-25-2011 10:39 AM
SolutionWow,
special thanks to Johan Guldmyr.
This is the think I searching for.
Does anyone have experience with such filesystems.
Are there some thinks which I have to know before I format the diskarray with such filesystems.
Or are there some problems if I use a clustered filesystems.