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тАО03-31-2010 10:46 AM
тАО03-31-2010 10:46 AM
On our MSA1000, one of our LUN#2 consist of a pool of physical disks of 72.8GB (160 MB/s). Now the diskspace is running out we bought a new disk with 146.8GB and want to add this disk to the same pool.
eg:
show unit 2
:
LUN#2:
disk01 72.8GB 160 MB/s
disk02 72.8GB 160 MB/s
disk03 72.8GB 160 MB/s
disk04 72.8GB 160 MB/s
We bought a new different physical disk of 146.8GB (160 MB/s).
My question is can we safetly add this new disk to this existing LUN#2?
disk05 146.8GB 160 MB/s
using this CLI> expand unit 2 disk05
Please advice.
Solved! Go to Solution.
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тАО03-31-2010 11:58 PM
тАО03-31-2010 11:58 PM
Re: Extending existing LUN on MSA1000
How to assign points on this new forum? Click the Kudos Star!
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тАО04-01-2010 01:35 PM
тАО04-01-2010 01:35 PM
Re: Extending existing LUN on MSA1000
Yes, but it depends upon your RAID and OS configuration.
See this guide for expanding LUNs and warnings:
http://bizsupport1.austin.hp.com/bc/docs/support/SupportManual/c01183955/c01183955.pdf
Hope this helps!
Rgds,
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тАО04-01-2010 01:40 PM
тАО04-01-2010 01:40 PM
Re: Extending existing LUN on MSA1000
Check the EXTEND and EXPAND commands in the guide. EXPAND adds the disk to the ARRAY. EXTEND adds the disk to LUN.
Rgds,
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тАО04-02-2010 05:13 AM
тАО04-02-2010 05:13 AM
Re: Extending existing LUN on MSA1000
We are using RAID5, so is that means it will only see 72.8GB instead of 146.8GB?
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тАО04-02-2010 05:51 AM
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тАО04-02-2010 09:12 AM
тАО04-02-2010 09:12 AM
Re: Extending existing LUN on MSA1000
If you want to get the most capacity then backup the RAID5 volume, make all of drives 146GB or larger, re-create the RAID5 and restore your data to the newly created RAID5.
Rgds,
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тАО04-02-2010 09:14 AM
тАО04-02-2010 09:14 AM
Re: Extending existing LUN on MSA1000
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тАО04-02-2010 09:14 AM
тАО04-02-2010 09:14 AM