initialize msdosfs on memory stick?
fbsd8 at a1poweruser.com
Fri Sep 13 01:48:27 UTC 2013
Gary Aitken wrote:
> On 09/12/13 16:26, Polytropon wrote:
>> On Thu, 12 Sep 2013 16:13:11 -0600, Gary Aitken wrote:
>>> On 09/12/13 15:51, Polytropon wrote:
>>>> On Thu, 12 Sep 2013 15:39:26 -0600, Gary Aitken wrote:
>>>>> I can't seem to find how to do this in the handbook or man pages.
>>>>> I need to initialize a usb memory stick with an msdos file system.
>>>>> Is it possible, or do I have to find a windoze system?
>>>> It is possible. The OS provides the newfs_msdos tool.
>>>> There is no need to deal with "Windows" for this task.
>>> Great, thanks.
>>> I checked the newfs manpage but didn't look too carefully when the summary
>>> line said "construct a new UFS1/UFS2 file system"
>> That's correct: newfs "refers to newfs_ufs" (which obviously
>> initializes a UFS file system), but there are other newfs_*
>> just as there are corresponding (and more) mount_* commands.
>> See "man newfs_msdos" for more details.
> I see that; but was surprised newfs didn't see-also newfs_msdosfs.
> Anyhoo... ugh, I think I just screwed it up, not thinking things through.
> After doing
> # newfs_msdos -F 32 -S 4096 /dev/da0
> newfs_msdos: trim 62 sectors to adjust to a multiple of 63
> /dev/da0: 979584 sectors in 30612 FAT32 clusters (131072 bytes/cluster)
> BytesPerSec=4096 SecPerClust=32 ResSectors=4 FATs=2 Media=0xf0 SecPerTrack=63 Heads=255 HiddenSecs=0 HugeSectors=979650 FATsecs=30 RootCluster=2 FSInfo=1 Backup=2
> I can't mount it, and there are no partitions:
> # ls /dev/da0*
> # mount -t msdosfs /dev/da0 /mnt/memstick
> mount_msdosfs: /dev/da0: Invalid argument
> Normally there is a /dev/da0s1.
> I suspect I *should* have used /dev/da0s1 in the newfs_msdos cmd.
> So, attempting to re-establish the partitions:
> #gpart create -s MBR da0
> da0 created
> # gpart show -l da0
> => 63 7837633 da0 MBR (3.8G)
> 63 7837633 - free - (3.8G)
> # gpart add -t mbr da0
> gpart: Invalid argument
> now what?
> Is mbr the wrong kind of partition type?
> man gpart indicates the MBR scheme requires the GEOM_PART_MBR kernel option;
> since the create succeeded, I'm assuming this is present?
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