Arch Linux

theking2

Banned

From: Romanshorn Switzerland

Registered: 2009-03-04

Posts: 372

[SOLVED] logical device do not appear in /dev

Command (m for help): p
Disk /dev/sde: 59.6 GiB, 64023257088 bytes, 125045424 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0xca75d5ee

Device     Boot    Start       End   Sectors   Size Id Type
/dev/sde1  *          63    208844    208782   102M 83 Linux
/dev/sde2         208845    738989    530145 258.9M 82 Linux swap / Solaris
/dev/sde3         738990  16113194  15374205   7.3G 83 Linux
/dev/sde4       16113664 125045423 108931760    52G  5 Extended
/dev/sde5       16115712  58058751  41943040    20G 83 Linux
/dev/sde6       58060800 125045423  66984624    32G 83 Linux

yet

# ls /dev/sde* -l
brw-rw---- 1 root disk 8, 64 Dec 24 19:39 /dev/sde
brw-rw---- 1 root disk 8, 65 Dec 24 19:39 /dev/sde1
brw-rw---- 1 root disk 8, 66 Dec 24 19:39 /dev/sde2
brw-rw---- 1 root disk 8, 67 Dec 24 19:39 /dev/sde3
brw-rw---- 1 root disk 8, 68 Dec 24 19:39 /dev/sde4

block devices /dev/sde5 and /dev/sde6 are not listed here.
How do I access / addres these two?

Last edited by theking2 (2014-12-24 19:09:33)

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archlinux on a Gigabyte C1037UN-EU, 16GiB
a Promise  PDC40718 based ZFS set
root on a Samsung SSD PB22-J
running LogitechMediaServer(-git), Samba, MiniDLNA, TOR

WorMzy

Administrator

From: Scotland

Registered: 2010-06-16

Posts: 13,572

Website

Re: [SOLVED] logical device do not appear in /dev

Have you just modified the partition table? Try running partprobe or rebooting.

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theking2

Banned

From: Romanshorn Switzerland

Registered: 2009-03-04

Posts: 372

Re: [SOLVED] logical device do not appear in /dev

Thanks WorMzy

Partprobe informed me of

# partprobe
Error: Partition(s) 5, 6 on /dev/sde have been written, but we have been unable to inform the kernel of the change, probably because it/they are in use.  As a result, the old partition(s) will remain in use.  You should reboot now before making further changes.

So indeed, again, a reboot is required.

EDIT: after a reboot the two devices were there. (now I can add them as log and cache to my ZFS)

Last edited by theking2 (2014-12-24 19:09:17)

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archlinux on a Gigabyte C1037UN-EU, 16GiB
a Promise  PDC40718 based ZFS set
root on a Samsung SSD PB22-J
running LogitechMediaServer(-git), Samba, MiniDLNA, TOR