jrm4

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18 years ago

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jrm4

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April 16th, 2009 11:00

Question about adding disks to Celerra

Hello,

I'm looking to expand the storage of my Celerra NS500 and not sure what my options are. I'm trying to avoid purchasing another shelf if I can. My current setup is:

I have a Celerra NS500 Integrated unit with CX-500 attached storage. System is used for MS Exchange Data. We have 2 data movers. 1 active and 1 standby. Where I'm confused is if I can add drives to my bottom shelf which is filled with empty plastic cartridges. The shelf layout is:

CX-500 (top) - loaded 15k 146 GB FC drives

NS500-Aux - loaded with clarrion flare code (5 drives) and 10 more 36GB and 73 GB 15k FC drives. Has FC cabling.

NS501 - no drives. just plastic cartridges. Has cge ports on back.

Can I add drives to the NS501 on the bottom and use that shelf to create/extend file systems?

Thank for any input!
  • nandas

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    Posted April 16th, 2009 12:00

    My absolute pleasure - you may mark the answer as "Correct" or "Helpful" to facilate finding correct answer for future searches.

    Wish to talk to you soon on the forums :)
    Regards,
    Sandip
  • jrm4

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    Posted April 16th, 2009 12:00

    That definitely helps. I had a feeling this was the reality but wanted to make sure before I look into adding another shelf.

    Thanks a lot!
  • nandas

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    Posted April 16th, 2009 12:00

    No - you can not add any disk drive to the Bottom enclosure which has plastic fillers on the front.

    This is actually the Data Mover enclosure - which contains the Data movers (you get the cge ports at the back of the data movers) - and no disk can be used on this enclosure. Even you forcefully add a disk here - it will not be usable at all.

    The NS500 Data mover enclosure used to have the same chasis as a CX500 Disk processor enclosure (Storage processors at the back and disks at the front) - so when the same chasis is used for Data mover enclosure - the data movers are in the place of SPs - and thus leaving the front side open. Many by mistake assume that disks can be inserted here - but that's not true.

    So - the configuration you have will be represented as

    DAE (disk array enclosure) - on the top - with 15x146 GB drives
    NS500-AUX (CX500 DPE) - in the middle - with SPs and Flare disks
    NS500 - DME (Data Mover Enclosure) ---- at the bottom

    In fact there are two more units in the middle - the NAS control station and the CX500 SPS (battery) enclosure).

    So - if you don't have any space left in the currently configured storage pools even after some cleanup - you may have to buy new Disk enclosure.

    Hope this helps,
    Regards,
    Sandip