Fujitsu ETERNUS2000 model 100 Manual Koneksi - Halaman 27
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Chapter 10 Setting Up and Checking the device-mapper multipath
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10.2 For SLES
10.2.3
Rebooting the Linux Server
Reboot the Linux server.
Example:
# shutdown -r now
10.2.4
Recognizing the Post device-mapper multipath LUNs
Check the device file created by the device-mapper multipath.
Also check that the device file is linked to the "/dev/dm-X" file.
Example:
#cd /dev/disk/by-name/
#ls -l
lrwxrwxrwx 1 root root 10 Aug 25 13:40 mpatha -> ../../dm-0
lrwxrwxrwx 1 root root 10 Aug 25 13:40 mpathb -> ../../dm-1
lrwxrwxrwx 1 root root 10 Aug 25 13:39 mpathc -> ../../dm-2
lrwxrwxrwx 1 root root 10 Aug 25 13:39 mpathd -> ../../dm-3
lrwxrwxrwx 1 root root 10 Aug 25 13:40 mpathe -> ../../dm-4
lrwxrwxrwx 1 root root 10 Aug 25 13:39 mpathf -> ../../dm-5
lrwxrwxrwx 1 root root 10 Aug 25 13:39 mpathg -> ../../dm-6
10.2.5
Checking the device-mapper multipath Status and Created Devices
Check the path status using the "multipath -ll" command.
•
When both paths are in normal status (This example is for the ETERNUS2000)
The multipath consists of the block device
names "sde" and "sdc". "mpathc" is created.
# multipath -ll
mpathc (3600000e00d00000000000f7e00010000) dm-2 FUJITSU,E2000
size=10G features='1 queue_if_no_path' hwhandler='0' wp=rw
|-+- policy='round-robin 0' prio=150 status=active
| '- 4:0:0:1 sde 8:64 active ready running
'-+- policy='round-robin 0' prio=10 status=enabled
:
:
P3AM-4212-02ENZ0
ETERNUS2000 Disk storage systems Server Connection Guide (SAS) for Linux
:
'- 3:0:0:1 sdc 8:32 active ready running
Two block device names are
displayed for a two-path configuration.
"E2000" is displayed since
the ETERNUS2000 is connected.
When the path status is normal,
"active ready" is displayed.
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