labeling a swap partition
T. Horsnell
tsh at mrc-lmb.cam.ac.uk
Tue Jul 12 20:16:11 UTC 2005
[Charset ISO-8859-1 unsupported, filtering to ASCII...]
>T. Horsnell wrote:
>>>I see that officially, e2label can not label a swap partition. So, I am
>>>confused by what I see in my fstab:
>>>LABEL=SWAP-i2o/hda3 swap swap defaults 0 0
>>>
>>>I have an Adaptec 2010S ZCR card that likes to play with my mind, so I
>>>have found that using labels on my partitions lets me win the game with
>>>the ZCR card.
>>>
>>>The above entry from the fstab is from a fresh install of FC3. If
>>>e2label doesn't label swap partitions, how did the above entry occur?
>>>And, how can I guarantee that my the swap I want used is the one that
>>>will be used?
>>>
>>
>>See 'man mkswap'
>I think I am missing something, I don't see anything about the above
>type of labels in the mkswap man page. I tried-changing
>LABEL=SWAP-i2o/hda3 to LABEL=SWAP-i2o/hdb3, and the subsequent swapon failed
>[root at sm init.d]# /sbin/mkswap -c -v1 /dev/i2o/hdb3
>Setting up swapspace version 1, size = 1612148 kB
>...
>[root at sm init.d]# /sbin/swapon -av
>swapon on LABEL=SWAP-i2o/hdb3
>swapon: cannot find the device for LABEL=SWAP-i2o/hdb3
>
>Did I miss something in the man page?
mkswap -L enables you to label a swap partition with whatever
label you want. In your case its been labeled as SWAP-i2o/hda3
and presumably is physically on partition /dev/hda3.
You need to do:
/sbin/mkswap -c -v1 -L SWAP-i2o/hdb3 /dev/i2o/hdb3
to label your new swap partition,
then you need to edit /etc/fstab to include a line like:
LABEL=SWAP-i2o/hdb3 swap swap defaults 0 0
then 'swapon -a' should grab them both.
Cheers,
Terry.
>
>eric
>
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