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Old 12-10-2011, 04:07 AM
"Ralf Mardorf"
 
Default partition sizes and filesystems ( Install Arch instages?)

-----Original Message-----
From: arch-general-bounces@archlinux.org on behalf of clemens fischer
Sent: Fri 12/9/2011 23:26

Leonid Isaev wrote:

> I think it's a better idea to have either /var/lib or entire /var on
> reiserfs.
>
> / ext4 30Gb
> /var ext4 10Gb
> /boot ext4 100Mb
> /var/lib reiserfs 500Mb
> /home ext4 85Gb
> /tmp ext2 2Gb

Interesting! Why do you think that? Me, I used my ears to determine
the best filesystem for my workloads on the PC. Ext4 is the one with
least head movement: the disks stay silent for long periods of time,
then they have hectic fits and go quiet again.

Compare this with freebsd's UFS2+soft-updates, XFS and JFS. I didn't
dare to use ZFS on freebsd and I think I never tried reiserfs, fearing
it isn't on active development currently.

Oh, one other thing: my swap and home partitions are LUKS encrypted.
The swap uses etc/crypttab with a random key, the key for home is on an
USB dongle, so I can physically lock out people taking possession of the
PC by keeping that dongle safely stashed away some place.

+++

Since I lost data, I got the impression that tools such as extundelete don't work proper to recover deleted data from ext4. I switched back to ext3, while I'm unsure that the tools would work better, the Internet information, perhaps outdated, claims that recovering data from ext3 would be more safe using several tools.
 
Old 12-11-2011, 12:10 PM
"Ralf Mardorf"
 
Default partition sizes and filesystems ( Install Arch instages?)

-----Ursprüngliche Nachricht-----
Von: arch-general-bounces@archlinux.org im Auftrag von Karol Babioch
Gesendet: Sa 12/10/2011 13:15
An: General Discussion about Arch Linux
Betreff: Re: [arch-general] partition sizes and filesystems (Re: Install Arch instages?)

Hi,

Am 10.12.2011 06:07, schrieb Ralf Mardorf:
> Since I lost data, I got the impression that tools such as extundelete don't work proper to recover deleted data from ext4. I switched back to ext3, while I'm unsure that the tools would work better, the Internet information, perhaps outdated, claims that recovering data from ext3 would be more safe using several tools.

According to the website of extundelete it does also support ext4. But
you can't judge a filesystem by some tools, which claim to do some sort
of undeleting, can you?

If you loose data on a regular basis that way, you're definitely doing
something wrong. Get some sort of automated backup solution and don't
delete files you could have a need for in the future .

Best regards,
Karol Babioch

+++

The backups accidently are deleted, after that I directly remounted to read only, hence the data shouldn't be lost. Accidents can happen. ASAP I'll learn more about ext4 and I'll try some other tools, but if needed using a disc editor/monitor. This was the only hard accident in around 20 years of using computers. Bad luck for me. If it would have happened for my Atari's SCSI drive, a tool would have been able to recover the deleted data. What I lost were most of my important backups, when I tried to recover a Linux, so indeed, I should have made backups of the backups. Anyway, it was an accident and you should chose a FS that can be recovered. I already used several tools that claim to be able to recover ext4. Google and you'll see that it's a known issue. You can't expect that accidents never will happen. Accidents happen.

Cheers!

Ralf
 

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