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Author Topic: Hard disk invalidation  (Read 1304 times)

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Offline pooopTopic starter

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Hard disk invalidation
« on: October 19, 2005, 12:36:13 AM »
Does anyone know how to stop a partition becoming invalidated. This has happened to me a few times while installing stuff and have used programs like quarterback to fix it, but that takes hours. Have also heard of a program called disk safe, don't know how it works, so haven't used it.
Any ideas :crazy:
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Offline AmigaMance

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Re: Hard disk invalidation
« Reply #1 on: October 19, 2005, 01:50:36 AM »
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Does anyone know how to stop a partition becoming invalidated.

 yes, stop using FFS.
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Offline Thomas

Re: Hard disk invalidation
« Reply #2 on: October 19, 2005, 07:37:35 AM »

It's quite easy. Do not reset or switch off the computer while it is still writing to disk. Wait at least three seconds after the HDD LED went dark.

Also you don't need a tool to repair the partition. FFS will validate by itself if you let it. Only if it comes up with an error message like "checksum error in block x" or "block y used twice" or something like that, you need to repair it.

Using a different file system does not circumvent your bad behaviour. If you switch off the computer during a write operation SFS or PFS might get overall unusable rather than just invalid.

DiskSafe might help in the reset case if your Amiga has the correct reset hardware.

Bye,
Thomas
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Offline Piru

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Re: Hard disk invalidation
« Reply #3 on: October 19, 2005, 10:31:47 AM »
@Thomas
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Using a different file system does not circumvent your bad behaviour. If you switch off the computer during a write operation SFS or PFS might get overall unusable rather than just invalid.

Actually PFS accounts for this, and you are allowed to reboot/power off at any point (it's described in the documentation, even). The only ill effect is that you lose the changes that were written at the moment you reboot/power off. The filesystem won't get unusable from this, ever.
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Offline itix

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Re: Hard disk invalidation
« Reply #4 on: October 19, 2005, 01:03:44 PM »
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If you switch off the computer during a write operation SFS or PFS might get overall unusable rather than just invalid.


SFS is designed to survive from this, just like PFS. You can even turn off the machine while defragmenting SFS partition and it still remains valid and usable.
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Offline Thomas

Re: Hard disk invalidation
« Reply #5 on: October 19, 2005, 01:59:36 PM »
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itix wrote:
SFS is designed to survive from this, just like PFS. You can even turn off the machine while defragmenting SFS partition and it still remains valid and usable.


That's what the authors say. But forums are full of threads from people having problems with SFS simuilar to those of FFS.

Bye,
Thomas
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