[CentOS] OT: Caching synchronous writes
centos at linuxpowered.net
Thu Apr 22 22:57:01 UTC 2010
John R Pierce wrote:
> 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.
OT too but really thought this was a good post/thread on ZFS
"ZFS is designed for high *reliability*"
"You want something completely different. You expect it to deliver
And availability is something ZFS doesn't promise. It simply can't
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