Built for Failure

[Todd Cole]

I have been using ZFS almost two years on servers and it is easy to deal
with drive replacements. I have even switched my desktops and laptops to
ubuntu 20.04 ZFS for the snapshots.
Issues are learning ZFS and Raids they are not real hard to learn but then
replacing drives as they fail = Time vs money saved Do you have the Time to
learn and spend swapping?
I have a old synology NAS you or someone  else can have that can be updated
to debian and ZFS 5 bay hot swap, great way to start out


On Wed, Dec 30, 2020 at 5:59 PM Stephen Partington via PLUG-discuss <
plug-discuss at lists.phxlinux.org> wrote:

> How many drive are you looking to spin up at one time? Across how many
> machines?
>
> On Wed, Dec 30, 2020, 5:39 PM Seabass via PLUG-discuss <
> plug-discuss at lists.phxlinux.org> wrote:
>
>> That is a good question.
>> Probably not, though.
>>
>> Have a software raid version? I need to check what these have, but I
>> don't think there is much beyond raid1 and raid0.
>>
>>
>>
>>
>>
>>
>> -------- Original Message --------
>> On Dec 30, 2020, 4:02 PM, Rusty Ramser < rusty_ramser at hotmail.com> wrote:
>>
>>
>> Hi, Seabass.
>>
>>
>>
>> RAID-6 comes to mind, since it will support two disk failures
>> simultaneously... and it sounds like you just may experience that with
>> these disks.  Does your disk controller hardware/software support
>> configuring a RAID-6 array?
>>
>>
>>
>> Cheers.
>>
>>
>>
>> *From:* PLUG-discuss [mailto:plug-discuss-bounces at lists.phxlinux.org] *On
>> Behalf Of *Seabass via PLUG-discuss
>> *Sent:* Thursday, 31 December 2020 11:01
>> *To:* plug-discuss at lists.phxlinux.org
>> *Cc:* Seabass <PrivateSeaBass at pm.me>
>> *Subject:* Built for Failure
>>
>>
>>
>>
>> Weird question:
>>
>> I can get a bunch of ancient (~2013) HDDs. Each have varying amounts of
>> space, and few (if any) are ever the same size.
>>
>> These were marked to be disposed, though that is just because of age or
>> having plenty that are better. Thus I can take them. However, them being
>> this old, and having found about 3 that eventually broke or never worked,
>> I'm left with this question:
>>
>> Because purchasing new drives takes too long (no idea when/if they would
>> arrive), I can take as many of the decommissioned drives I'd like. Seeing
>> as some failed, how does one build a system that is resilient to drives
>> failing?
>>
>> It can be reset as much as wanted, hardware is literally in arm's reach,
>> and there is not burning need for it to be up immediately.
>> There is also massive (comparatively) external drive space and as many
>> live boot USBs as one might desire.
>>
>> So how would one build a system that is designed expecting HDD failure
>> regularly?
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-- 
Todd Cole
Ubuntu Arizona Team
2928 W El Caminito
Phoenix AZ  85051-3957
toddc at azloco.com
602-677-9402
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