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Thread: SAN LUN space increase !!

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  1. #1

    SAN LUN space increase !!

    Dear ,

    I have increased the space on LUN mapped to the server from SAN but even after re-scanning of LUNs and rebooting of the server it is not reflecting on the server !!

    Any suggestions !!

  2. Re: SAN LUN space increase !!

    Hi adym333,

    since the size stays the same even after a server reboot, are you sure the SAN correctly exports the LUN?

    Or is it that the *file system* on the server stays the same size? That's independent from the LUN size and would have to be adjusted separately.

    From the times when today's "old school" was "new school"

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  3. Re: SAN LUN space increase !!

    hello adym,

    please check with the commands fdisk -l, lsblk and multipath -l if the size of the LUN is recognized correctly

    after that you will have to
    - increase the size of the physical partition
    - increase the size of the logical volume (if there is one)
    - increase the size of the file system on the logical volume / physical partition

    in this particular order.

    Please be careful - especially when using logical volume management - because if you are doing it wrong you can destroy your whole data. So if possible, first make a full image or snapshot of your hard disks.


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