Hi there,
because of a problem with EMC Power Path we need to change the
configuration of a ZFS pool changing "emcpower?g" devices (EMC Power
Path created devices) to underlaying "c#t#d#" (Solaris path to those
devices). Problem is that they has non redundant config:
"amebdo:/>zpool status orapool
conjunto: orapool
estado: ONLINE
limpiar: no se ha solicitado ninguna
config:
NAME STATE READ WRITE CKSUM
orapool ONLINE 0 0 0
emcpower1g ONLINE 0 0 0
emcpower2g ONLINE 0 0 0
emcpower3g ONLINE 0 0 0
emcpower4g ONLINE 0 0 0
emcpower5g ONLINE 0 0 0
emcpower6g ONLINE 0 0 0
emcpower7g ONLINE 0 0 0
emcpower8g ONLINE 0 0 0
emcpower9g ONLINE 0 0 0
i'm thinking about creating a mirror, then replacing the "emcpower?g" by
"c#t#d#", then recreating the mirror, then broken the mirror leving the
original disks but this has two problems:
1.- Pool is huge so lot of IO will be done when sync afecting perf.
2.- lot of available LUNs are needed to create the mirror
is there any way appart from the above (or taking a full backup and then
recreate from scratf the pool) to do this?
remember that we only want to change config but LUNs are physically the
same.
Many thanks,
Gonzalo.
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