Topic
3 replies Latest Post - ‏2013-06-27T16:04:42Z by CCesario
CCesario
CCesario
3 Posts
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Pinned topic Mdisk Expansion V7000/v3700

‏2013-06-20T20:30:42Z |

 

Hi Guys, is it possible expand a Mdisk?
 
eg. I have an existing Mdisk in Raid 5 with 3 hard disks. So I acquire one more hard disk and I would like to add in this Mdisk. 
 
In the Ds3500 it is possible, but I don't found this feature in v3700/v7000.  Somebody can inform me please?!
 
Thanks

Carlos

  • chriscanto
    chriscanto
    216 Posts
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    Re: Mdisk Expansion V7000/v3700

    ‏2013-06-20T21:06:25Z  in response to CCesario

    I'm afraid you can't do this yet on the SVC/Storwize family.

    The common approaches to overcome this seem to be:

    1. use the migration or volume copy features to migrate the data to an intermediate storage pool, delete the current array, create a new array that includes the new drives, migrate/mirror the data back.
    2. use the new drives to create a new array (mdisk) and add that to the existing storage pool to expand the capacity.

    Both those options are non-disruptive.  The first obviously requires that you have enough free storage capacity elsewhere to do the temporary "swing".  The second requires that you've got enough new drives to warrant making a new array from them (i.e. not appropriate if you're just talking about adding a single drive).

  • kopper
    kopper
    165 Posts
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    Re: Mdisk Expansion V7000/v3700

    ‏2013-06-27T15:47:42Z  in response to CCesario

    here you can add an vote or make a comment for this needed feature

    Add additional member to an existing V7000 array

    22769

    http://www.ibm.com/developerworks/rfe/execute?use_case=viewRfe&CR_ID=22769

  • CCesario
    CCesario
    3 Posts
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    Re: Mdisk Expansion V7000/v3700

    ‏2013-06-27T16:04:42Z  in response to CCesario

    Thanks  chriscanto and kopper.

    I already voted and commented the needed feature.