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1 Reply Latest reply: Jan 19, 2013 6:43 AM by rukbat RSS

on Sun Fire X4170 M2, two internal drives, but only one is shown?

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I can see 2 physical disks, 100GB each under Oracle Linux 5.5. However, it seems only one being used, and following is fdisk -l output. this is the default configuration, and we have 8 such kind of the server, all the same. Where is the other disk? I can not believe only single one is used and there is no any mirrors. vg info only contains sd2.
Or, is there a disk level software being used, and somehow it has combined two disk, therefore only /dev/sda could be shown?
If it is not configured yet, how do I let OS to discover the disk?

Please help me out, Thank you!

# fdisk -l

Disk /dev/sda: 98.9 GB, 98999205888 bytes
255 heads, 63 sectors/track, 12035 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System
/dev/sda1 * 1 13 104391 83 Linux
/dev/sda2 14 12035 96566715 8e Linux LVM

Disk /dev/dm-0: 81.6 GB, 81671487488 bytes
255 heads, 63 sectors/track, 9929 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Disk /dev/dm-0 doesn't contain a valid partition table

Disk /dev/dm-1: 17.1 GB, 17179869184 bytes
255 heads, 63 sectors/track, 2088 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Disk /dev/dm-1 doesn't contain a valid partition table
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  • 1. Re: on Sun Fire X4170 M2, two internal drives, but only one is shown?
    rukbat Guru Moderator
    Currently Being Moderated
    In your other thread on this same topic, that you posted to the Oracle Linux forum:
    on Sun Fire X4170 M2, two internal drives, but only one is shown?
    you were advised to seek guidance in this hardware forum.
    It would have been polite to include a link the ongoing conversation that occurred there, so that people wouldn't spend efforts duplicating what you've already been told.

    Here's the link to the product documentation for your X4170 M2:
    http://docs.oracle.com/cd/E19762-01/index.html
    You might take a few moments to read the Linux installation manual again, justs in case you've overlooked something.

    .
    we have 8 such kind of the server, all the same
    If they are all showing the same problems, you've done the same to all of them. If this one system is the only one showing these issues, then go back into your datacenter and compare how it is different from the others.

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