I run over 30 instances of Virtualbox with various OSs without issue all
running ontop of ZFS environments. Most of my clients have at least 3 VMs
running a variant of Windows ontop of ZFS without any issues. Not sure what you
mean with your NAT issue. Perhaps posting your setup info might be of more help.
Sent from my iPad
> On Apr 1, 2014, at 11:34 AM, Eric Jaw <naisa...@gmail.com> wrote:
>> On Tuesday, April 1, 2014 7:04:39 AM UTC-4, jasonbelec wrote:
>> ZFS is lots of parts, in most cases lots of cheap unreliable parts,
>> refurbished parts, yadda yadda, as posted on this thread and many, many
>> others, any issues are probably not ZFS but the parts of the whole. Yes, it
>> could be ZFS, after you confirm that all the parts ate pristine, maybe.
> I don't think it's ZFS. ZFS is pretty solid. In my specific case, I'm trying
> to figure out why VirtualBox is creating these issues. I'm pretty sure that's
> the root cause, but I don't know why yet. So I'm just speculating at this
> point. Of course, I want to get my ZFS up and running so I can move on to
> what I really need to do, so it's easy to jump on a conclusion about
> something that I haven't thought of in my position. Hope you can understand
>> My oldest system running ZFS is an Mac Mini Intel Core Duo with 3GB RAM (not
>> ECC) it is the home server for music, tv shows, movies, and some interim
>> backups. The mini has been modded for ESATA and has 6 drives connected. The
>> pool is 2 RaidZ of 3 mirrored with copies set at 2. Been running since ZFS
>> was released from Apple builds. Lost 3 drives, eventually traced to a new
>> cable that cracked at the connector which when hot enough expanded lifting 2
>> pins free of their connector counter parts resulting in errors. Visually
>> almost impossible to see. I replaced port multipliers, Esata cards, RAM,
>> mini's, power supply, reinstalled OS, reinstalled ZFS, restored ZFS data
>> from backup, finally to find the bad connector end one because it was hot
>> and felt 'funny'.
>> Frustrating, yes, educational also. The happy news is, all the data was
>> fine, wife would have torn me to shreds if photos were missing, music was
>> corrupt, etc., etc.. And this was on the old out of date but stable ZFS
>> version we Mac users have been hugging onto for dear life. YMMV
>> Never had RAM as the issue, here in the mad science lab across 10 rotating
>> systems or in any client location - pick your decade. However I don't use
>> cheap RAM either, and I only have 2 Systems requiring ECC currently that
>> don't even connect to ZFS as they are both XServers with other lives.
>> Jason Belec
>> Sent from my iPad
>>> On Apr 1, 2014, at 12:13 AM, Daniel Becker <razz...@gmail.com> wrote:
>>>> On Mar 31, 2014, at 7:41 PM, Eric Jaw <nais...@gmail.com> wrote:
>>>> I started using ZFS about a few weeks ago, so a lot of it is still new to
>>>> me. I'm actually not completely certain about "proper procedure" for
>>>> repairing a pool. I'm not sure if I'm supposed to clear the errors after
>>>> the scrub, before or after (little things). I'm not sure if it even
>>>> matters. When I restarted the VM, the checksum counts cleared on its own.
>>> The counts are not maintained across reboots.
>>>> On the first scrub it repaired roughly 1.65MB. None on the second scub.
>>>> Even after the scrub there were still 43 data errors. I was expecting they
>>>> were going to go away.
>>>>> errors: 43 data errors, use '-v' for a list
>>> What this means is that in these 43 cases, the system was not able to
>>> correct the error (i.e., both drives in a mirror returned bad data).
>>>> This is an excellent question. They're in 'Normal' mode. I remember
>>>> looking in to this before and decided normal mode should be fine. I might
>>>> be wrong. So thanks for bringing this up. I'll have to check it out again.
>>> The reason I was asking is that these symptoms would also be consistent
>>> with something outside the VM writing to the disks behind the VM’s back;
>>> that’s unlikely to happen accidentally with disk images, but raw disks are
>>> visible to the host OS as such, so it may be as simple as Windows deciding
>>> that it should initialize the “unformatted” (really, formatted with an
>>> unknown filesystem) devices. Or it could be a raid controller that stores
>>> its array metadata in the last sector of the array’s disks.
>>>> memtest86 and memtest86+ for 18 hours came out okay. I'm on my third scrub
>>>> and the number or errors has remained at 43. Checksum errors continue to
>>>> pile up as the pool is getting scrubbed.
>>>> I'm just as flustered about this. Thanks again for the input.
>>> Given that you’re seeing a fairly large number of errors in your scrubs,
>>> the fact that memtest86 doesn’t find anything at all very strongly suggests
>>> that this is not actually a memory issue.
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