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I have a SAN, and it's able to read and write to the 50TB RAID just fine, but when I run 

fdisk -l

it only lists the boot partition of the SAN server, and doesn't display anything about the other partitions on the RAID. I've also tried using

parted -l

with the same result. Now when I type

mount

it shows that the partitions are mounted just fine. I've never seen this happen. The box is running Openfiler 2.3 (I know it's old, we're in the process of upgrading all our old equipment). We have another SAN that's configured almost identically, and it's able to display the partition info with either of the two commands I mentioned above.

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  • Are you using iSCSI?
    – Sven
    Nov 6, 2012 at 21:30
  • No, it's fibre channel
    – Franklin
    Nov 13, 2012 at 14:31

1 Answer 1

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You can not partition hard disks remotely in the manor. You must have direct access to the block device as to modify the partitioning table you must first unmount it. If you want to repartition the disks use the tools that are appropriate for your SAN. If you are simply after more information about free space and such use df -h

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4
  • It's quite usual in a SAN (e.g. FibreChannel or iSCSI) to see the storage available as block devices which you can indeed partition as you like on the machine that can see it.
    – Sven
    Nov 6, 2012 at 21:29
  • I'm not trying to partition anything. All I want to do is display all the partitions available to the machine. The Openfiler box is hooked directly up to the RAID.
    – Franklin
    Nov 6, 2012 at 21:47
  • I edited my question for clarity.
    – Franklin
    Nov 6, 2012 at 21:53
  • You didn't say anything about iSCSI in your original post SAN could have meant any number of things. Shame about the downvote though :/
    – James Park-Watt
    Nov 6, 2012 at 22:36

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