labeling usb drives (xfs)

[Roby]

Roby wrote:

> Ben Edwards wrote:
> 
>> 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
> 
> Yes. mkfs wants to work on an unmounted partition ... and while
> writing the label, formats too!  Maybe you can find an xfs tool
> that will write a label while leaving your data alone.  I use
> ext3 filesystems and tune2fs allows tuning without cleaning out
> my files.  There's probably something like that for xfs.

Here:
http://www.debuntu.org/device-partition-labeling

xfs_admin -L label-text /dev/sda1