saio truncate instead of dd (for reals)

Changing that complex dd to a functionally equivalent truncate that's easier
to read and modify.

DocImpact

Change-Id: I64404318364608e62a1d80f6a0550271eb4cd03a
This commit is contained in:
Michael Barton 2012-12-20 20:10:07 -08:00
parent c1964e5f6a
commit c37954d935

View File

@ -89,8 +89,8 @@ Using a loopback device for storage
If you want to use a loopback device instead of another partition, follow these instructions. If you want to use a loopback device instead of another partition, follow these instructions.
#. `mkdir /srv` #. `mkdir /srv`
#. `dd if=/dev/zero of=/srv/swift-disk bs=1024 count=0 seek=1000000` #. `truncate -s 1GB /srv/swift-disk`
(modify seek to make a larger or smaller partition) (modify size to make a larger or smaller partition)
#. `mkfs.xfs -i size=1024 /srv/swift-disk` #. `mkfs.xfs -i size=1024 /srv/swift-disk`
#. Edit `/etc/fstab` and add #. Edit `/etc/fstab` and add
`/srv/swift-disk /mnt/sdb1 xfs loop,noatime,nodiratime,nobarrier,logbufs=8 0 0` `/srv/swift-disk /mnt/sdb1 xfs loop,noatime,nodiratime,nobarrier,logbufs=8 0 0`