ufs2 / softupdates / ZFS / disk write cache

[Andrew Snow]

Šimun Mikecin wrote:
> 21. lip. 2009., u 13:41, Andrew Snow <andrew at modulus.org> napisao:
>> Folks who need to maximize safety and can't afford the performance  
>> hit of no write cache need to do what they always have had to do in  
>> the past - buy a controller card with battery-backed cached.
> 
> Or:
> B) use SCSI instead of ATA disks
> C) use UFS+gjournal instead of UFS+SU
> D) use ZFS instead of UFS+SU


All of these solutions still involve disabling of write cache, with a 
performance hit of varying degrees. (I have tried all of those except 
gjournal!)