[Linux-cluster] Does GFS support MD multi-device in a two node cluster?

jOe smartjoe at gmail.com
Tue Jul 11 07:35:52 UTC 2006

Hello All,

We want to confirm that GFS support SCSI based MD multi-device

Server: HP dl380g4 x 2, each has 4-port additional array adapter installed
Storage: HP MSA500g2, SCSI array disk system, has 4-port option installed,
support 4 SCSI cable connect to this system.(4 individual physical server or
two server with dual SCSI path.)

We've already deployed RHCS on it (without GFS) and use linux's MD
multi-device for SCSI multi-path. (merge two lun path from the disk array to
single failover path.  /dev/sda+/dev/sdb ->/dev/md0)

Question: Can we deploy GFS on such hardware configuration and is it
possible to create GFS on MD multi-device ? Any pros and cons?

Thanks a lot,

Joe Yu
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