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тАО03-26-2008 02:36 PM
тАО03-26-2008 02:36 PM
TYPE OF RAID SUPPORTED BY LVM
Hello All,
just wanted to know if LVM supports raid 5 and if yes how and what are the steps to create raid 5 and what tpye of raid levels are supported by it any help appreciated.
Thanks regards
Sammy :)
just wanted to know if LVM supports raid 5 and if yes how and what are the steps to create raid 5 and what tpye of raid levels are supported by it any help appreciated.
Thanks regards
Sammy :)
3 REPLIES 3
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тАО03-26-2008 02:55 PM
тАО03-26-2008 02:55 PM
Re: TYPE OF RAID SUPPORTED BY LVM
No LVM does NOT support raid 5.
Prior to 11.31 you could only RAID 0 (striping) or RAID 1 (mirroring). You could not do true RAID 10, but you could sort of do it with extent-based stripes and mirroring.
At 11.31 you now have the ability to do true RAID 10. This may be available on 11.23 via patches, but I don't recall at the moment.
Now, if you want to switch volume manager and use the Veritas Volume Manager, VxVM, then I believe you can do RAID 5. I don't think software based RAID 5 is a good idea though.
For true RAID 5 you are far better using a RAID controller in the server, or just going to a SAN and letting the SAN do all the work of RAID 5 and the parity calculations needed for it.
Prior to 11.31 you could only RAID 0 (striping) or RAID 1 (mirroring). You could not do true RAID 10, but you could sort of do it with extent-based stripes and mirroring.
At 11.31 you now have the ability to do true RAID 10. This may be available on 11.23 via patches, but I don't recall at the moment.
Now, if you want to switch volume manager and use the Veritas Volume Manager, VxVM, then I believe you can do RAID 5. I don't think software based RAID 5 is a good idea though.
For true RAID 5 you are far better using a RAID controller in the server, or just going to a SAN and letting the SAN do all the work of RAID 5 and the parity calculations needed for it.
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тАО03-26-2008 02:55 PM
тАО03-26-2008 02:55 PM
Re: TYPE OF RAID SUPPORTED BY LVM
Sammy,
Ever heard about this wonderful newfangled web site thingy called google? Try it some day!
Feed it a search string like: hpux lvm raid5
It will come back with the answer to your question and then some!
http://forums11.itrc.hp.com/service/forums/questionanswer.do?threadId=1168258
Hope this helps!
Hein.
Ever heard about this wonderful newfangled web site thingy called google? Try it some day!
Feed it a search string like: hpux lvm raid5
It will come back with the answer to your question and then some!
http://forums11.itrc.hp.com/service/forums/questionanswer.do?threadId=1168258
Hope this helps!
Hein.
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тАО03-27-2008 10:19 PM
тАО03-27-2008 10:19 PM
Re: TYPE OF RAID SUPPORTED BY LVM
Not aware of 11.31 but prior to that raid0 & 1 are supported.
Any comments, experts ?
Any comments, experts ?
The opinions expressed above are the personal opinions of the authors, not of Hewlett Packard Enterprise. By using this site, you accept the Terms of Use and Rules of Participation.
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