The cmirror package provides user-level tools for managing cluster mirroring. Cmirror is needed for LVM-based mirroring (RAID1) in a cluster environment
I if rember well, the cmirror daemon is needed when you have a share storage and you use a lvm mirror
2013/3/17 Nattapon Viroon <droidbkk@xxxxxxxxx>
Hi,
I try setup data replication between storages and use gfs on top.
Im not sure which solutions is good to go between clvm+cMirror+gfs or DRBD+gfs
DRBD is do raid1 across network that require extra network channel to do replication
But I don't know how actually cMirror work to replicate data between luns.
Do the cMirror require separate network channel to do data replication ?
or cMirror do replicate via fibre channel ?
Please advise.
Nattapon
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