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тАО11-23-2007 04:19 AM
тАО11-23-2007 04:19 AM
Stripe
I need to put 3 new pv's in this vg and extend these lvol's. I can extend the vg02 using the command vgextend but I don't know if when I extend the lvols the stripe is extended too or I need to use special flags with the lvextend???
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тАО11-23-2007 04:38 AM
тАО11-23-2007 04:38 AM
Re: Stripe
It depends on how/what kind of stripes the LVs use:
If you are talking of real stripes then you will have to add an extra PV for it will need 4 pvs to extend...or are you talking of PVG-strict/distributed allocation
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тАО11-23-2007 05:19 AM
тАО11-23-2007 05:19 AM
Re: Stripe
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тАО11-23-2007 07:13 AM
тАО11-23-2007 07:13 AM
Re: Stripe
it is not possible to stripe without recreating your lv. if you have an extra phyical volume that can store your data on this striped volume than move your data to this disk , extend your vg to 7 disk and recreate lv ( as striped by 7 ) and move your org data to this lv.
Hasan.
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тАО11-23-2007 07:54 AM
тАО11-23-2007 07:54 AM
Re: Stripe
Striped logical volumes are only allocated using the strict or PVG-
strict allocation policies. The number of extents for a striped
logical volume is always a multiple of the number of disks the logical
volume is striped across. A logical volume striped across n disks, is
allocated in sets of n extents, and each extent of a given set is allocated on a different physical volumes in the volume group.
So, if the lvol was created to stripe across 4 pv's - then you need to add 4 more pv's...
If that doesn't work, then you will have to recreate the lvol from scratch...with either 4 pv's or 8 for striping...
Rgds...Geoff
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тАО11-23-2007 10:20 AM
тАО11-23-2007 10:20 AM