Virtual lun migrator with caviat that you need to move to device with different protection.
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In one of my original questin... for FAST...
during the data migration.. is it good to enabel/use FAST ???? or is it best to leave it till data migration is complete ??
when my DBAs are using Oracle ASM to migrate data from DMX3 to VMAX, i do not enable FAST on the storage group until after they complete their migration. I figured FAST would be trashing back and forth during the migration so i prefer to let it "back-in" for a week and then enable FAST.
back to the performance issue ,
i got a tdev : about 1.90TB meta of 240GB each meta meber. SATA drives.RAID6.
i grabed the stats from spa and i can see 5000,6000,2000 WP counts.
Is this normal, i think the figure is high. users are saying they are expereincing slowness etc. how can i decrease these.
probably not a very good i/o profile for raid-6, so many WP because SATA is slow, can't destage writes fast enough. Might need to move storage vmotion some VMs to other datastores or move this entire device to another tier.