labeling usb drives (xfs)

[Ben Edwards]

On 02/06/07, Roby <electricalsciences at adelphia.net> wrote:
> Ben Edwards wrote:
>
> > I have a number of external usb drives with xfs file systems on them.
> > Is there a way of labeling then so they dont just show up as disk-1,
> > disk-2...?
> >
> > Ben
>
> Perhaps like this:
>
> Create unique volume labels for each drive:
>   sudo mkfs.xfs -L monday ...
>   sudo mkfs.xfs -L tuesday ...

I tried this, does it have to be done when the volume is created.

When I do

mkfs.xfs -L data /dev/sdb1

I get

mkfs.xfs: /dev/sdb1 contains a mounted filesystem
Usage: mkfs.xfs
/* blocksize */         [-b log=n|size=num]
/* data subvol */       [-d agcount=n,agsize=n,file,name=xxx,size=num,
                            (sunit=value,swidth=value|su=num,sw=num),
                            sectlog=n|sectsize=num,unwritten=0|1]
/* inode size */        [-i log=n|perblock=n|size=num,maxpct=n,attr=0|1|2]
/* log subvol */        [-l agnum=n,internal,size=num,logdev=xxx,version=n
                            sunit=value|su=num,sectlog=n|sectsize=num]
/* label */             [-L label (maximum 12 characters)]
/* naming */            [-n log=n|size=num,version=n]
/* prototype file */    [-p fname]
/* quiet */             [-q]
/* realtime subvol */   [-r extsize=num,size=num,rtdev=xxx]
/* sectorsize */        [-s log=n|size=num]
/* version */           [-V]
                        devicename
<devicename> is required unless -d name=xxx is given.
<num> is xxx (bytes), xxxs (sectors), xxxb (fs blocks), xxxk (xxx KiB),
      xxxm (xxx MiB), xxxg (xxx GiB), xxxt (xxx TiB) or xxxp (xxx PiB).
<value> is xxx (512 byte blocks).

Ben

> Create matching entries in /etc/fstab:
>   LABEL=monday   /media/monday   xfs ...
>   LABEL=tuesday  /media/tuesday  xfs ...
>
> Create /media mountpoints:
>   sudo mkdir /media/monday
>   sudo mkdir /media/tuesday
>
>
>
>
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-- 
Ben Edwards - Bristol, UK
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