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тАО02-05-2009 05:10 AM
тАО02-05-2009 05:10 AM
I have a problem with my debian server, I have two serveres with debian linux connect to EVA 4000 and shared some file systems, one of this servers was format and installed Windows 2k3, but don't was disconnect to the EVA.
The problems is that right now the linux servers can't access to the eva data (file system) because this file system appear corrupt.
I m rockie in linux, how can repair a File System Corrupt in Linox Debian?
Thanks a Lot
Solved! Go to Solution.
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тАО02-05-2009 05:47 AM
тАО02-05-2009 05:47 AM
Re: File System Corrupt
It's hard to say because I don't know exactly how the vdisks are presented and what really happened (in fact, I don't know how did you dedide to install windows instead of linux ;)
But anyway, if the vdisk was formatted on Windows, I think that you won't be able to recover them.
├В┬┐What is the error that you get? ├В┬┐Can you mount it? ├В┬┐Do you see garbage on the file system?
Maybe fsck -b could help.
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тАО02-05-2009 05:46 PM
тАО02-05-2009 05:46 PM
Re: File System Corrupt
If windows was allowed to see a linux partition and prompted to write its signature to the linux disk and was successfully done then I believe you have lost the disk.
It is unwise to allow Windows systems and non windows systems to be see from a SAN - as a windows admin may inadvertently format the disk as for windows it will come up as unformated.
Best to partition SAN away from Linux and Windows to avoid clashes.
You may be able to fsck the device from Linux, but suspect its been killed by Windows.
One option would be to do a
# strings /dev/
Robert.
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тАО02-09-2009 08:08 AM
тАО02-09-2009 08:08 AM
SolutionSo, like Robert, I think your disk has been pwnd by Windows.
I'd check with HP and see if they have something similar to its SecureLun Manager for the XP series available for the EVA line of arrays. It's software that limits visibility of Luns to specific machines which prevents these types of problems, as long as ALL machines on the SAN have the LUN limiting software loaded on them.
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тАО02-09-2009 09:17 AM
тАО02-09-2009 09:17 AM
Re: File System Corrupt
The way the EVA works, if properly configured, is that LUNS are presented to systems by WWN, World Wide Name. WWN is like a MAC address for HBA/Fiber cards.
IF the LUN was presented to a windows system and a Linux system at the same time, that is the source of the problem.
There is no need for special toys, simply a logical, planned layout and zoning on the EVA.
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тАО02-10-2009 07:43 PM
тАО02-10-2009 07:43 PM
Re: File System Corrupt
But a question - can you really put two different LUNS from the same storage server into two different zones?
Wow, is that because each Lun has it's WWN? If so, that's prettty neat! Wish I could do that with my XP!
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тАО02-11-2009 07:33 AM
тАО02-11-2009 07:33 AM