[CentOS] Centos/Linux Disk Caching, might be OT in some ways
Ross Walker
rswwalker at gmail.com
Fri Jan 29 00:46:37 UTC 2010
On Jan 28, 2010, at 7:25 PM, Christopher Chan <christopher.chan at bradbury.edu.hk
> wrote:
>
>> There are concerns that everyone's currently fast performing LVM file
>> systems will suddenly become doggish once barrier support is included
>> and in some cases it will be true. Using a separate SSD device as a
>> journal can help in some cases.
>>
>
> That's only if you are using ext3/ext4 and data=journal. Are SSDs
> faster
> than bbu nvram cards?
No, but for existing installations it is definitely better then the
alternative.
-Ross
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