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Full Discussion: "Accidentally" destroyed my filesystem
Operating Systems AIX "Accidentally" destroyed my filesystem Post 302856269 by bstring on Monday 23rd of September 2013 01:54:54 PM
Old 09-23-2013
"Accidentally" destroyed my filesystem
I was trying to delete and recreate a filesystem, thinking it would be a quick way of deleting all of the files off of it, and I fear that I messed up. Here is the original entry from /etc/filesystems:
Code:
data01:
        dev             = /dev/fslv00
        vfs             = jfs2
        log             = /dev/loglv00
        mount           = true
        options         = rw
        account         = false

And the output from df:
Code:
/dev/fslv00    133169152         0  100%  4639433    60% /data01

I first ran rmfs /data01 to delete the filesystem, then I tried the following:
Code:
[root@ibm: /]# mkfs -V jfs2 -o name=/data01 /dev/fslv00
mkfs: destroy /dev/fslv00 (yes)? y
mkfs: 0506-214: /dev/fslv00: A file or directory in the path name does not exist.

This didn't work so I tried crfs instead, but I don't think I was using that properly either:
Code:
[root@ibm: dev]# crfs -m /data01 -d /dev/fslv00 -v jfs2
0516-306 getlvodm: Unable to find  fslv00 in the Device
        Configuration Database.
/usr/sbin/getlvodm: A flag requires a parameter: y
Usage: /usr/sbin/getlvodm [-a LVdescript] [-B LVdescript] [-b LVid] [-c LVid]
        [-C] [-d VGdescript] [-e LVid] [-F] [-g PVid] [-h] [-j PVdescript]
        [-k] [-L VGdescript] [-l LVdescript] [-m LVid] [-p PVdescript]
        [-r LVid] [-s VGdescript] [-t VGid] [-u VGdescript] [-v VGdescript]
        [-w VGid] [-y LVid] [-G LVdescript]
crfs: 0506-923 Cannot get logical volume type from odm.

I am just trying to recreate my old /data01 filesystem with "normal" settings. The man pages for mkfs/crfs are a little confusing.. Any help would be appreciated.
 

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LEARN ABOUT REDHAT

fdformat

FDFORMAT(8)						     Linux Programmer's Manual						       FDFORMAT(8)

NAME

       fdformat - Low-level formats a floppy disk

SYNOPSIS

       fdformat [ -n ] device

DESCRIPTION

       fdformat  does  a  low  level  format on a floppy disk.	device is usually one of the following (for floppy devices, the major = 2, and the
       minor is shown for informational purposes only):

	      /dev/fd0d360  (minor = 4)
	      /dev/fd0h1200 (minor = 8)
	      /dev/fd0D360  (minor = 12)
	      /dev/fd0H360  (minor = 12)
	      /dev/fd0D720  (minor = 16)
	      /dev/fd0H720  (minor = 16)
	      /dev/fd0h360  (minor = 20)
	      /dev/fd0h720  (minor = 24)
	      /dev/fd0H1440 (minor = 28)

	      /dev/fd1d360  (minor = 5)
	      /dev/fd1h1200 (minor = 9)
	      /dev/fd1D360  (minor = 13)
	      /dev/fd1H360  (minor = 13)
	      /dev/fd1D720  (minor = 17)
	      /dev/fd1H720  (minor = 17)
	      /dev/fd1h360  (minor = 21)
	      /dev/fd1h720  (minor = 25)
	      /dev/fd1H1440 (minor = 29)

       The generic floppy devices, /dev/fd0 and /dev/fd1, will fail to work with fdformat when a non-standard format is being used, or if the for-
       mat has not been autodetected earlier.  In this case, use setfdprm(8) to load the disk parameters.

OPTIONS

       -n     No verify.  This option will disable the verification that is performed after the format.

SEE ALSO

       fd(4), setfdprm(8), mkfs(8), emkfs(8)

AUTHOR

       Werner Almesberger (almesber@nessie.cs.id.ethz.ch)

Linux 0.99							  1 February 1993						       FDFORMAT(8)
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