At 02:36 AM 7/25/2005, [EMAIL PROTECTED] wrote:
hi,
I am searching how to resize a virtual disk created with:
# dd if=/dev/zero of=newimage bs=1k count=5k
5120+0 records in
5120+0 records out
# vnconfig -s labels -c vn0 newimage
# disklabel -r -w vn0 auto
# newfs vn0c
Warning: 2048 sector(s) in last cylinder unallocated
/dev/vn0c: 10240 sectors in 3 cylinders of 1 tracks, 4096 sectors
5.0MB in 1 cyl groups (16 c/g, 32.00MB/g, 1280 i/g)
super-block backups (for fsck -b #) at:
32
# mount /dev/vn0c /mnt
When I decide to add more space to this virtual disk, I would like to be
able to
resize it.
The only solution I have is creating an other virtual disk and copy files
before
deleting the first one. It takes a long time and two time more space than
what I
want during the process.
any idea?
You can create an empty file that's as big as the space you want to add
(using dd). Then concatenate the empty file to the end of the file that
contains the filesystem you need to make larger. Then use disklabel to
edit the size of the partition you are using to reflect the added
space. Then use growfs to expand the filesystem.
Depending on how big the filesystem is, it will save a lot of time over
doing a dump and restore.
-Glenn
Cheers
Alex
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