NASLite Network Attached Storage

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 Post subject: Filesystem
PostPosted: Tue Nov 23, 2004 6:00 am 
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Joined: Tue Nov 23, 2004 5:57 am
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Hi

I've got a question about the filesystem used by naslite:
I'm a windows-user and I experienced filesystem-problems when the drives were packed with data.
The MFT suddenly doesn't work anymore and all the files were gone.
With Rescue-Software it was possible to get back most of the files, but not all.

Am I save of this problem by using naslite?


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 Post subject:
PostPosted: Tue Nov 23, 2004 12:42 pm 
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Joined: Tue Jul 13, 2004 4:11 pm
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Location: Server Elements
NASLite uses the ext2 file system. It is fast, stable and with a proven track record. To find out more about ext2 and compare it to other file systems, review the following material:

http://en.wikipedia.org/wiki/Comparison_of_file_systems

The problem you are describing can be caused by a number of conditions - both OS related or user initiated. NASLite attempts to isolate the user from the technical details of file system management, and as long as the hardware is operating properly, the networked filesystem should be stable and healthy.

Hope that makes sense.


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 Post subject:
PostPosted: Thu Jan 13, 2005 2:35 am 
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what about electrical power failure?
how save is this filesystem on electrical power failure?


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 Post subject:
PostPosted: Thu Jan 13, 2005 10:45 am 
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By electrical problem I assume that you mean power failure and not hardware problems. Electrical failure is no different than flipping the power button to OFF. The drives will be scanned on next boot and made available online once the filesystem has been checked.


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 Post subject:
PostPosted: Thu Jan 13, 2005 8:55 pm 
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yepp.. that´s what i meant, thanks a lot.


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PostPosted: Wed Apr 13, 2005 10:28 am 
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Joined: Wed Apr 13, 2005 10:07 am
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Dear all,

if NASLite+ is an ext2-Filesystem
and ext2-Filesystem is supported by Linux, is it then finally possible to read a NASLite+ formatted Harddisk in a normal Linux-PC ?

best regards

DGS


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 Post subject:
PostPosted: Wed Apr 13, 2005 9:23 pm 
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Joined: Wed Feb 23, 2005 5:13 am
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I have never done it but I believe there were several posts about it. IF I recall correctly the one person had issues because when he put it in the normal linux machine it actually changed permissions of the files. I believe he solved the issue.

I think the main reason to do this was to clone a hard drive with out having to do it over a network.



Do a search for it and you should find info about itit.


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 Post subject:
PostPosted: Wed Sep 21, 2005 9:12 am 
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That the Filesystem is safe, is definitly not correct...

I got a Powerlinecut and now the NASLite Server says something about the Checksums are not correct and that i have to start fsck manually...

I did, and it corrected some data, but NASLiteserver still shows the errormessage on boot!

The harddisk is visible in a Linuxsystem... but readerrors occure in some files... nice...

any suggestions?


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 Post subject:
PostPosted: Wed Sep 21, 2005 2:25 pm 
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Belldandy,

What version of NASlite?
What are the errors you are getting when NASLite boots?
How did you manually fsck?

Any info will be helpful…

Quote:
That the Filesystem is safe, is definitly not correct...


In the case of NASlite, filesystems reside on the hard drive, so the filesystem itself can never be more reliable than the drive it’s on. If the drive is brain-dead due to power issues, the contents of it’s media is obviously at risk.

There are other issues also. The CPU, interface, etc., as well as the HD can be a problem. Since IDE is CPU driven, if the processor does not operate the drive properly, the drive contents will be at risk.

Often, when a power line is cut, there is a period of brownout. That is very damaging to PC hardware since the behavior of all electronic components changes as the V/A properties of the input power falls outside of the design thresholds.

One way to avoid this is to use a UPS.


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