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[Discuss] ZFS for an Encrypted External Disk: My Experience and Notes

Subject: [Discuss] ZFS for an Encrypted External Disk: My Experience and Notes
From: markw at mohawksoft.com (markw at mohawksoft.com)
Date: Wed, 27 Jul 2022 16:13:31 -0400
In-reply-to: <20220727154805.00002ce7.Richard.Pieri@gmail.com>
References: <0f9cacf3-e355-1109-6e92-2cab27643886@borg.org> <b7cc0845dafc88d9dd78ded6441d2bf8.squirrel@mail.mohawksoft.com> <34520471-2c87-0751-1293-d797156ee4a5@borg.org> <40c13ef8cbd1396712aa21641a9cb995.squirrel@mail.mohawksoft.com> <20220727125338.5e4e2a69.Richard.Pieri@gmail.com> <0f2a15806f492b56c2189d642b119e03.squirrel@mail.mohawksoft.com> <20220727154805.00002ce7.Richard.Pieri@gmail.com>

> On Wed, 27 Jul 2022 15:06:50 -0400
> markw at mohawksoft.com wrote:
>
>> Why two mirrors and not a RAID5 - or is RAID6 more appropriate 4T?
>
> Because parity RAID (RAIDZ-1/2/3) is slow.

A stripe over two mirrors is not as reliable as RAID6. If you have 4
drives arranged in two mirrors, each mirror can only survive the loss of
one drive. So, your system, if it loses 2 drives, has a 33.33% chance of
losing half its data.

>
> --
> \m/ (--) \m/
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Follow-Ups:
- [Discuss] ZFS for an Encrypted External Disk: My Experience and Notes
  - From: richard.pieri at gmail.com (Rich Pieri)

References:
- [Discuss] ZFS for an Encrypted External Disk: My Experience and Notes
  - From: kentborg at borg.org (Kent Borg)
- [Discuss] ZFS for an Encrypted External Disk: My Experience and Notes
  - From: markw at mohawksoft.com (markw at mohawksoft.com)
- [Discuss] ZFS for an Encrypted External Disk: My Experience and Notes
  - From: kentborg at borg.org (Kent Borg)
- [Discuss] ZFS for an Encrypted External Disk: My Experience and Notes
  - From: markw at mohawksoft.com (markw at mohawksoft.com)
- [Discuss] ZFS for an Encrypted External Disk: My Experience and Notes
  - From: richard.pieri at gmail.com (Rich Pieri)
- [Discuss] ZFS for an Encrypted External Disk: My Experience and Notes
  - From: markw at mohawksoft.com (markw at mohawksoft.com)
- [Discuss] ZFS for an Encrypted External Disk: My Experience and Notes
  - From: richard.pieri at gmail.com (Rich Pieri)

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