On 18 May 2013, at 01:15, Joshua Isom <jri...@gmail.com> wrote:

> Your hardware raid should be faster than ZFS raid.  Don't use zfs raid 
> because there will be no benefit.  


Self healing much ?

I wouldn't dream of dropping it for a 20mb/s performance increase from a HW 
controller.

What if the controller derps and writes bad data ?



> You'll get the performance of software raid using CPU time, along with lost 
> space for already backed up data.
> 
> ZFS should work fine.  A lot of the tuning on the wiki page isn't needed 
> anymore, so it's not too bad.  The biggest thing to be careful with is 
> upgrading your zpool, every so often your boot blocks may need updated and if 
> you forget, you can't boot.  You won't upgrade your pool often of course.  
> Reliability shouldn't be an issue, it's FreeBSD.  ZFS will make it easier to 
> play around with jails, have fun and create a 1000 node beowulf on one system.
> 
> On 5/17/2013 5:24 PM, b...@todoo.biz wrote:
>> Hi,
>> 
>> I have a question regarding ZFS install on a system setup using an Intel 
>> Modular.
>> 
>> This system runs various flavor of FreeBSD and Linux using a shared pool 
>> (LUNs).
>> These LUNs have been configured in RAID 6 using the internal controller (LSI 
>> logic).
>> 
>> So from the OS point of view there is just a volume available.
>> 
>> 
>> I know I should install a system using HBA and JBOD configuration - but 
>> unfortunately this is not an option for this server.
>> 
>> What would you advise ?
>> 
>> 1. Can I use an existing partition and setup ZFS on this partition using a 
>> standard Zpool (no RAID).
>> 
>> 2. Should I use any other solution in order to setup this (like full ZFS 
>> install on disk using the entire pool with ZFS).
>> 
>> 3. Should I avoid using ZFS since my system is not well tuned and It would 
>> be asking for trouble to use ZFS in these conditions.
>> 
>> 
>> P.S. Stability is a must for this system - so I won't die if you answer "3" 
>> and tell me to keep on using UFS.
>> 
>> 
>> Thanks.
>> 
>> 
>> ________________________________________________
>> «?»¥«?»§«?»¥«?»§«?»¥«?»§«?»¥«?»§«?»¥«?»§«?»¥«?»§
>> ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
>> BSD - BSD - BSD - BSD - BSD - BSD - BSD - BSD -
>> ________________________________________________
>> «?»¥«?»§«?»¥«?»§«?»¥«?»§«?»¥«?»§«?»¥«?»§«?»¥«?»§
>> ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
>> PGP ID --> 0x1BA3C2FD
>> 
>> _______________________________________________
>> freebsd-questions@freebsd.org mailing list
>> http://lists.freebsd.org/mailman/listinfo/freebsd-questions
>> To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"
> 
> _______________________________________________
> freebsd-questions@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-questions
> To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"
_______________________________________________
freebsd-questions@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/freebsd-questions
To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"

Reply via email to