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Old 21st September 2008
corneliu corneliu is offline
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Default mount second hard drive - newbie trouble

Hi guys,

I have a FreeBSD 7.0 install on a machine that has two hard drives. The first one (da0) is the one that hosts FreeBSD and the second one (da1) is formatted with ext3 (I'm almost sure). I created /var/ftp and I executed this command

mount -t ext3 /dev/da1 /var/ftp

But it doesn't work. This is what I get:

mount: /dev/da1 : Operation not supported by device

What am I doing wrong?

Thanks is advance,

Corneliu
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Old 21st September 2008
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TerryP TerryP is offline
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ext3 is mounted as ext2 in FreeBSD (and therefore without journal), so

Code:
mount -t ext2fs /dev/da1 /var/ftp
should work
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Old 21st September 2008
corneliu corneliu is offline
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Great! Thanks a lot. It worked with this command

mount -t ext2fs /dev/da1s4 /var/ftp

What is the difference between da1 and da1s4?
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Old 21st September 2008
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Partitions in FreeBSD are numbered liked so:
da device name/identifer
1 device number
s slice identifier
4 slice number

So da1 is "second SCSI disk in system", and s4 is "fourth slice on the drive".
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Last edited by phoenix; 27th September 2008 at 08:05 PM. Reason: Had 1 and 4 reversed
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Old 22nd September 2008
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dude, this is pretty helpful!

thanks, just from a fellow new-user point of view that is!

phoenix that is the simple explanations that I crave lol when asking about slices and partitions and such
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Old 22nd September 2008
corneliu corneliu is offline
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Thanks for the info
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Old 23rd September 2008
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Nice and simple. One complication you should know:

"Logical Partitions" within an "Extended Partition" (Dos Fdisk talk) show up as additional slices - One disk containing (DOS) C:, D: and E: would map like this:

C: - da0s1
D: - da0s5
E: - da0s6
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Old 23rd September 2008
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i.e. the extended partiton = slice 4; each logical drives start counting from slice 5.

an example from my own system:

[code]
FreeBSD device - Windows Drive-letter (partition type)

ad0s1 - Windows C: (first primary)
ad0s2a - FreeBSD / (second primary)
ad0s4 - Extended Partition
ad0s5 - Windows P:\ (first logical)
ad0s6 - Windows U:\ (second logical)
ad0s7 - Windows S:\ (third logical)
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