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.SH NOTES
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If vgchange recognizes COW snapshot LVs that were dropped because they ran
out of space, it displays a message informing the administrator that the
snapshots should be removed.
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.SH EXAMPLES
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Activate all LVs in all VGs on all existing devices.
.br
.B vgchange -a y
.P
Change the maximum number of LVs for an inactive VG.
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.B vgchange -l 128 vg00