hot swap drive raid 5

Posted on 2014-08-26
Last Modified: 2014-08-26
I have a Dell server that has a software RAID 5 configuration.  there are four drives in the array.I have recently replaced a failed hard drive.the drive was smaller than the other drives and was not able to assign it as a global hot spare.
my question is, am I able to remove the smaller drive without impacting the array or do I need to bring the server down to swap it outas we do not have a global hot spare
Question by:datzit
    LVL 32

    Accepted Solution

    No, because the small drive is not (and cannot be) participating in the array, removing it will have no effect on the array.

    Never power down to remove/introduce a hot-swappable drive to an array.

    The drive must be at least as large as the others in the array (can be larger), and must be the same type (SAS/SATA).

    Author Comment

    I see it in open manage as part of the physical disks however I see a failed virtual disk. That must be the disc that is smaller. I'm heading in now to swap it out will reply when done to confirm. Thank you very much.
    LVL 32

    Expert Comment

    If it is showing alone as a virtual disk, then you must have imported its foreign configuration.  Delete the VD associated with it.

    Expert Comment

    You should be able to identify the disks which are part of the RAID.  Go into physical disk and Blink the LED and you will be able to see which disk belongs to VD. The smaller disk is not going to be part of the RAID array and you should be able to remove it as PE tech mentioned. Have you had Global spare disk prior to failure?
    I would not delete the VD unless I am 100 % sure that the new disk is showing as a virtual disk. If i am like I will open a case with Dell and ask them to check.

    Author Closing Comment

    Thank you for your quick response.  All worked out.  Deleted the VD and then replaced.

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