07-21-2008
In HPUX the default disk manager is LVM. So steps as per LVM would be:
1) #vgdisplay VOLGRPNAME
for e.g. vgdisplay /dev/vg01
This should be done to check whether u have enough extents free to create a file system of the required size. Also just make sure the the Physical volumes or Hard disks are mirrored or not. Bcos If mirrored then the Free PEs available should be divided by 2 for 2 no. of hard disks.
2) #lvcreate -L SizeM (-n lvname) /dev/vg01
-n is optional u can give any name u like or the filesystem name being created. for .e.g lvcreate -L 100M -n mytmp /dev/vg01
This will create LV of size 100MB /dev/vg01/mytmp and /dev/vg01/rmytmp or else without -n would create /dev/vg01/lvol6 and /dev/vg01/rlvol6, if lvol5 already exists.
3) Now time to create FIlesystem.
Remember the default File system is mentioned on most UNIX systems and so on HPUX system in /etc/default/fs. The default mentioned is VXFS if u have BASE JFS product atleast installed or else will be HFS.
#newfs /dev/vg01/rmytmp
The above will create a new VXFS filesystem with NOLARGEFILES and NOQUOTA arrangement. If u want to enable them then u will need to modify the cmd line like
#newfs -o largefiles,quota /dev/vg01/rmytmp
This is appropriate for files being created above 2GB in size and u can put quota system for users too.
NOTE: the lv name should be starting with 'r' like 'rmytmp'.
4) To make the filesystem available after reboot make the entry in /etc/fstab file.
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LEARN ABOUT DEBIAN
btrfsctl
BTRFSCTL(8) System Manager's Manual BTRFSCTL(8)
NAME
btrfsctl - control a btrfs filesystem
SYNOPSIS
btrfsctl [ -d file|directory ] [ -s snapshot-name directory ] [ -S subvolume-name directory ] [ -r [+-]size ] [ -A device ] [ -a ] [
-c ]
DESCRIPTION
btrfsctl is used to control the filesystem and the files and directories stored. It is the tool to create a new snapshot for the filesys-
tem.
OPTIONS
-d file|directory
Defragment a file or a directory. If the argument is a directory, the entire b-tree under the directory is defragged.
-s snapshot-name directory
Creates a new snapshot of the directory specified.
-S subvolume-name directory
Creates a new subvolume.
-r [+|-]size
Resizes the filesystem with the size specified. If the value is preceded with a signed symbol, the filesystem is resized with
respect to the current filesystem size. size can be suffixed by k,m or g to represent kilobytes, megabytes, or gigabytes respec-
tively.
-A device
Scans the device for btrfs filesystem.
-a Scans all devices present in the system for btrfs filesystem.
-c Forces a filesystem sync.
AVAILABILITY
btrfsctl is part of btrfs-progs. Btrfs is currently under heavy development, and not suitable for any uses other than benchmarking and
review. Please refer to the btrfs wiki http://btrfs.wiki.kernel.org for further details.
SEE ALSO
mkfs.btrfs(8)
BTRFSCTL(8)