Fibre Channel Multipathing

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rmakogon

Cadet
Joined
Feb 8, 2012
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Hello,
I'm trying to use multipath'ed FC LUNs. I was able to create multipath devices:

[root@freenas] ~# gmultipath list MSA_disk1
Geom name: MSA_disk1
Providers:
1. Name: multipath/MSA_disk1
Mediasize: 622832221696 (580G)
Sectorsize: 512
Mode: r1w1e1
Consumers:
1. Name: da1
Mediasize: 622832222208 (580G)
Sectorsize: 512
Mode: r1w1e1
2. Name: da3
Mediasize: 622832222208 (580G)
Sectorsize: 512
Mode: r1w1e1

[root@freenas] ~# gmultipath list MSA_disk2
Geom name: MSA_disk2
Providers:
1. Name: multipath/MSA_disk2
Mediasize: 499999997440 (466G)
Sectorsize: 512
Mode: r1w1e1
Consumers:
1. Name: da2
Mediasize: 499999997952 (466G)
Sectorsize: 512
Mode: r1w1e1
2. Name: da4
Mediasize: 499999997952 (466G)
Sectorsize: 512
Mode: r1w1e1


and create a pool from the two multipath disks:

[root@freenas] ~# zpool list
NAME SIZE USED AVAIL CAP HEALTH ALTROOT
testraidz 1.02T 87K 1.02T 0% ONLINE /mnt/testraidz

[root@freenas] ~# zpool status
pool: testraidz
state: ONLINE
scrub: none requested
config:

NAME STATE READ WRITE CKSUM
testraidz ONLINE 0 0 0
multipath/MSA_disk1 ONLINE 0 0 0
multipath/MSA_disk2 ONLINE 0 0 0

errors: No known data errors



It is mounted and seems ready to be used:


[root@freenas] ~# df -h /mnt/testraidz/
Filesystem Size Used Avail Capacity Mounted on
testraidz 1.0T 21K 1.0T 0% /mnt/testraidz

[root@freenas] ~# touch /mnt/testraidz/z

[root@freenas] ~# ll /mnt/testraidz/
total 3
drwxr-xr-x 2 root wheel 3 Feb 8 04:12 ./
drwxr-xr-x 4 root 1002 512 Feb 2 09:57 ../
-rw-r--r-- 1 root wheel 0 Feb 8 04:12 z

I can't see the volume in the GUI. However, there is Diskspace graph for the testraidz volume under System->Reporting.

Am I missing something?

Thank you,
Roman.
 
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