[LUNA] FreeBSD ZFS 'RAID0' setup ....

[William A. Mahaffey III]

On 07/03/14 22:54, Jared Wilkinson wrote:


There is no onboard RAID controller, so they are JBOD by default, as far 
as the hardware knows. I read that swapping under ZFS can cause panics, 
so I am planning on 3 partitions per drive, as per the tutorial. I just 
need to figure out how to tell ZFS to STRIPE ....


> My only experience with ZFS so I can't be sure the implementation is the
> same on Linix, but why not just present the disks as JBOD and handle them
> strictly in ZFS? Then you could mirror, stripe or whatever to your hearts
> content inside the ZFS configs.
>
> On Thursday, July 3, 2014, William A. Mahaffey III <wam at hiwaay.net> wrote:
>
>> .... I am provisioning a new box to replace this one (an aging 55W AMD64X2
>> 3800+, 2 GB RAM, 1X 40 GB SATA-1 root drive, 1X 160 GB SATA-1 mounting
>> /home, running Fedora-14 64-bit, to be re-purposed into a m0n0wall box). I
>> never upgraded cuz I liked the look & feel of F14 & felt no urge to move.
>> Now the machine feels *SLOW* (FireFox takes 25-30 sec. to launch, similar
>> for T-bird). New box is AMD 25W quad-core Jaguar based, Sempron 3850, 16 GB
>> of RAM, 4X 2.5" 1 TB 7200 rpm SATA-3 HGST's, to be partitioned &
>> ZFS-RAID-ed & run FreeBSD 9.2 64-bit, I have been reading feverishly on ZFS
>> & FreeBSD, like everything I have found so far, however 1 question. Given
>> only 4 drives, I don't want to RAID-1 (mirror) or RAIDZ-n (RAID-5/6-ish), &
>> lose 25-50 % of possible storage. The machine will be rsynced nightly (at
>> least) & tar-bziped twice weekly, & w/ all new 2.5" drives, good cooling,
>> etc. I don't expect trouble, & will be well prepped if it rears its ugly
>> head. Thus I would like to RAID-0 (stripe) the 4 ZFS partitions. I located
>> several very detailed tutorials, notably https://wiki.freebsd.org/
>> RootOnZFS/GPTZFSBoot/9.0-RELEASE, which walk you through everything in
>> gory detail, except for that 1 question. is it possible to just stripe ZFS
>> partitions ? I thought I remembered reading that somewhere, but failed to
>> bookmark it & haven't been able to re-acquire it .... Any help appreciated
>> ....
>>
>> --
>>
>>          William A. Mahaffey III
>>
>>   ----------------------------------------------------------------------
>>
>>          "The M1 Garand is without doubt the finest implement of war
>>           ever devised by man."
>>                             -- Gen. George S. Patton Jr.
>>
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-- 

	William A. Mahaffey III

  ----------------------------------------------------------------------

	"The M1 Garand is without doubt the finest implement of war
	 ever devised by man."
                            -- Gen. George S. Patton Jr.