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SVHLABEL(8) NetBSD System Manager's Manual SVHLABEL(8)
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Maintained for NetBSD
by Kimmo Suominen.
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svhlabel -- update disk label from SGI Volume Header
svhlabel [-fqrw] device
svhlabel is used to update a NetBSD disk label from the Silicon Graphics
Volume Header on disks that were previously used on IRIX systems.
svhlabel scans the Volume Header contained in the first blocks of the
disk and generates additional partition entries for the disk from the
Each Volume Header entry which does not have an equivalent partition in
the disk label (equivalent in having the same size and offset) is added
to the first free partition slot in the disk label. A free partition
slot is defined as one with an fstype of `unused' and a size of zero
(`0'). If there are not enough free slots in the disk label, a warning
will be issued.
The raw partition (typically partition c, but d on i386 and some other
platforms) is left alone during this process.
By default, the proposed changed disk label will be displayed and no disk
label update will occur.
-f Force an update, even if there has been no change.
-q Performs operations in a quiet fashion.
-r In conjunction with -w, also update the on-disk label. You probably
do not want to do this.
-w Update the in-core label if it has been changed.
disklabel(8), dkctl(8), mount_efs(8), sgivol(8)
The svhlabel command appeared in NetBSD 5.0.
NetBSD 9.99 February 26, 2007 NetBSD 9.99