Volume Manager arrangement

I have an E250 with Veritas Volume Manager 3.0.2 installed. Since E250 can have only internal 6 disks and I've mirrored first two disks (encapsulated), that leaves me 4 18G disks to do a RAID 5 for Oracle databases. However, I also want to use Vxvm's RAID 5 logging. I've tried to ceate a RAID 5 with some space left on each of the 4 disks and then attempted to mirror RAID 5 logs across the remaining space on the 4 disks. But Vxvm did not let me. I suppose the RAID 5 log plex should be on seperate disks? On the other hand, to maximize space I don't want to do RAID 5 with only 3 disks and use the 4th one as the RAID 5 log.
Does anybody have any suggestions on how to do RAID 5 with logging for 4 disks while maximizing the available disk space?
thanks!

Or you could do this:
Once you have created the disk group and added the disks you want (the 4 disks available)
vxassist -g <dg name> maxsize layout=raid5,log
Then run:
vxassist -g <dg name> make <volname> <volsize> layout=raid5,log <disk1> <disk2> <disk3> <disk4>
This way of course you'll have to have the 4 disks on a separate dg.
imho, it's not a very good idea to keep data volumes in the rootdg (but I'm sure you already know that)...

Similar Messages

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    RTFM :-)
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    Last edited by Diaz (2008-05-28 20:04:56)

  • Mounting drives on a udev+hal+gnome-volume-manager setup

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  • Linux LVM (Logical Volume Manager) for CentOS on Azure?

    Hi.  I am trying out Azure and installed a OpenLogic CentOS 6 virtual machine.  I note that it is not running LVM (Logical Volume Manager) by default.  I would like to ask if it is possible to:
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    Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact [email protected]

  • How Solaris Volume Manager sync submirrors

    HI Gurus,
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    When in doubt break the mirrors. Its the only safe way.

  • Solaris 10 x86 and Volume Manager fdisk identifiers

    Hi,
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    Had the same problem. Look here:
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  • Solaris Volume Manager Enhanced Storage BUG?

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