September 2001
Intermediate to advanced
580 pages
12h 30m
English
book
Linux for IBM eServer zSeries and S/390: Distributions
by Michael MacIsaac, Ronald Annuss, Wolfgang Engel, Chris Gombola, Timothy Nunes, Mark Post, Don Stubbs, Egon Terwedow, Craig Vernon
Content preview from Linux for IBM eServer zSeries and S/390: Distributions
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Chapter 17. Logical Volume Manager 311
See Figure 17-3 for an overview. It shows a LV with three PVs. These PVs are
configured with three stripes.
Figure 17-3 LVM - striping with three stripes
17.6 Using pvmove to migrate PEs to other PVs
If you have to release some DASDs from your VG, you can move the PEs to
other PVs. Consider the following scenarios:
A file system is running out of space because you are using only 3390-3
volumes in your VG.
One possible solution is to add 3390-9s to your VG and increase the size. But
why not use all 3390-9s and release the 3390-3s for other tasks, without
unmounting the file system?
A similar scenario occurs ...
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