[CentOS] OT: Caching synchronous writes
John R Pierce
pierce at hogranch.com
Thu Apr 22 22:50:11 UTC 2010
Ray Van Dolson wrote:
>> I think what you want is a proper storage array with mirrored write
> Which is what we have with ZFS + SSD-based ZIL for far less money than
> a NetApp.
not unless you have a pair of them configured as an active/standby HA
cluster, sharing dual port disk storage, and some how (magic?) mirroring
the cache pool so that if the active storage controller/server fails,
the standby can take over wthout losing a single write.
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