Even with a primary UPS on the *entire PostgreSQL server* does one still
need, or even still recommend, a battery-backed cache on the RAID controller
card? [ref SCSI 320, of course]
If so, I'd be interest in knowing briefly why.
Thanks.
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...
every server I've run PostgreSQL on has been burnt in for at least a
week of heavy testing, and they've all had SCSI drives, and if they had
RAID controllers they all had battery backed cache.
