[ale] ZFS on Linux

[David Tomaschik]

I can only imagine the power bill for 20-30 hard drives & all the
controllers and CPU needed to spin that all up.  (And unfortunately, I have
good guesses as to what its used for.)


On Fri, Mar 29, 2013 at 3:13 PM, gcs8 <gcsviii at gmail.com> wrote:

> i run raidz2, if i could chang anything it would be adding SSD caching and
> dual SSD ZIL.
>
>
> On Fri, Mar 29, 2013 at 5:07 PM, Jim Kinney <jim.kinney at gmail.com> wrote:
>
>> That sounds encouraging. I'll have probably 2 arrays. One with 15 1TB
>> data and a 2nd with 16 4TB SAS2. thinking raidz with a spare drive for each.
>>  On Mar 29, 2013 4:43 PM, "gcs8" <gcsviii at gmail.com> wrote:
>>
>>> I run a 20 2TB disk array at home and have rather fond of ZFS, its been
>>> stable for me for ~3 years now.
>>>
>>>
>>> On Fri, Mar 29, 2013 at 3:10 PM, Ed Cashin <ecashin at noserose.net> wrote:
>>>
>>>> Thanks in advance for the notes you take.  I'm interested to hear what
>>>> you find.
>>>>
>>>> By the way, work sent me to a Nexenta course in 2010 where I learned
>>>> ZFS stuff from Richard Elling:
>>>>
>>>>   http://www.richardelling.com/
>>>>
>>>> ... and one thing that kept coming up is how users usually reach for
>>>> the RAID-Z options when stripes of mirrors would perform better and offer
>>>> more flexibility.  I thought that was notable.
>>>>
>>>>
>>>>
>>>> On Fri, Mar 29, 2013 at 2:44 PM, Jim Kinney <jim.kinney at gmail.com>wrote:
>>>>
>>>>> There was an update to this that just hit /.
>>>>>
>>>>> WooHoo!
>>>>>
>>>>> I have not used ZFS (minimal solaris experience) before but I have a
>>>>> situation where raidz looks like a very good choice. An external 16 bay
>>>>> JBOD box hanging off a SAS HBA looks like a prime candidate. The big issue
>>>>> for me is the support for native NFSv4 ACLs which solves some issues.
>>>>>
>>>>> As I go through this exercise, I'll keep some notes and maybe look at
>>>>> a presentation on doing this.
>>>>>
>>>>> hints, gotcha's, are very welcome.
>>>>>
>>>>> I did find a pdf of the zfsadmin.pdf  http://pdfhome.org/zfsadmin.pdf
>>>>>
>>>>> --
>>>>> --
>>>>> James P. Kinney III
>>>>> *
>>>>> *Every time you stop a school, you will have to build a jail. What
>>>>> you gain at one end you lose at the other. It's like feeding a dog on his
>>>>> own tail. It won't fatten the dog.
>>>>> - Speech 11/23/1900 Mark Twain
>>>>> *
>>>>> http://electjimkinney.org
>>>>> http://heretothereideas.blogspot.com/
>>>>> *
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>>>>>
>>>>
>>>>
>>>> --
>>>>   Ed Cashin <ecashin at noserose.net>
>>>>   http://noserose.net/e/
>>>>   http://www.coraid.com/
>>>>
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>>>
>>>
>>> --
>>> Charles Selfridge
>>>
>>> PBYC  IT director
>>>
>>> (404) 910-3409
>>>
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>
>
> --
> Charles Selfridge
>
> PBYC  IT director
>
> (404) 910-3409
>
> _______________________________________________
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-- 
David Tomaschik
OpenPGP: 0x5DEA789B
http://systemoverlord.com
david at systemoverlord.com
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