On Fri, May 03, 2024 at 01:50:52PM -0700, David Christensen wrote:
> Thank you for devising a benchmark and posting some data. :-)
I did not do the comparison hosted on github. I just wrote the
script which tests the dm-integrity on dm-raid error detection
and error correction.
> FreeBSD also
On 5/3/24 04:26, Marc SCHAEFER wrote:
On Mon, Apr 08, 2024 at 10:04:01PM +0200, Marc SCHAEFER wrote:
For off-site long-term offline archiving, no, I am not using RAID.
Now, as I had to think a bit about ONLINE integrity, I found this
comparison:
On 3 May 2024 13:26 +0200, from schae...@alphanet.ch (Marc SCHAEFER):
> https://github.com/t13a/dm-integrity-benchmarks
>
> Contenders are btrfs, zfs, and notably ext4+dm-integrity+dm-raid
ZFS' selling point is not performance, _especially_ on rotational
drives. In fact, it's fairly widely
On Mon, Apr 08, 2024 at 10:04:01PM +0200, Marc SCHAEFER wrote:
> For off-site long-term offline archiving, no, I am not using RAID.
Now, as I had to think a bit about ONLINE integrity, I found this
comparison:
https://github.com/t13a/dm-integrity-benchmarks
Contenders are btrfs, zfs, and
On 4/12/24 08:14, piorunz wrote:
On 10/04/2024 12:10, David Christensen wrote:
Those sound like some compelling features.
I believe the last time I tried Btrfs was Debian 9 (?). I ran into
problems because I did not do the required manual maintenance
(rebalancing). Does the Btrfs in Debian
On 10/04/2024 12:10, David Christensen wrote:
Those sound like some compelling features.
I believe the last time I tried Btrfs was Debian 9 (?). I ran into
problems because I did not do the required manual maintenance
(rebalancing). Does the Btrfs in Debian 11 or Debian 12 still require
On 4/10/24 08:49, Paul Leiber wrote:
Am 10.04.2024 um 13:10 schrieb David Christensen:
Does the Btrfs in Debian 11 or Debian 12 still require
manual maintenance? If so, what and how often?
Scrub and balance are actions which have been recommended. I am using
btrfsmaintenance scripts [1][2]
Am 10.04.2024 um 13:10 schrieb David Christensen:
On 4/9/24 17:08, piorunz wrote:
On 02/04/2024 13:53, David Christensen wrote:
Does anyone have any comments or suggestions regarding how to use
magnetic hard disk drives, commodity x86 computers, and Debian for
long-term data storage with
On 2024-04-10, David Christensen wrote:
>>
>> I use Btrfs, on all my systems, including some servers, with soft Raid1
>> and Raid10 modes (because these modes are considered stable and
>> production ready). I decided on Btrfs not ZFS, because Btrfs allows to
>> migrate drives on the fly while
On 4/9/24 17:08, piorunz wrote:
On 02/04/2024 13:53, David Christensen wrote:
Does anyone have any comments or suggestions regarding how to use
magnetic hard disk drives, commodity x86 computers, and Debian for
long-term data storage with ensured integrity?
I use Btrfs, on all my systems,
On 02/04/2024 13:53, David Christensen wrote:
Does anyone have any comments or suggestions regarding how to use
magnetic hard disk drives, commodity x86 computers, and Debian for
long-term data storage with ensured integrity?
I use Btrfs, on all my systems, including some servers, with soft
On 4/8/24 13:04, Marc SCHAEFER wrote:
Hello,
On Mon, Apr 08, 2024 at 11:28:04AM -0700, David Christensen wrote:
So, an ext4 file system on an LVM logical volume?
Why LVM? Are you implementing redundancy (RAID)? Is your data larger than
a single disk (concatenation/ JBOD)? Something else?
Hello,
On Mon, Apr 08, 2024 at 11:28:04AM -0700, David Christensen wrote:
> So, an ext4 file system on an LVM logical volume?
>
> Why LVM? Are you implementing redundancy (RAID)? Is your data larger than
> a single disk (concatenation/ JBOD)? Something else?
For off-site long-term offline
On 4/8/24 02:38, Marc SCHAEFER wrote:
For offline storage:
On Tue, Apr 02, 2024 at 05:53:15AM -0700, David Christensen wrote:
Does anyone have any comments or suggestions regarding how to use magnetic
hard disk drives, commodity x86 computers, and Debian for long-term data
storage with ensured
For offline storage:
On Tue, Apr 02, 2024 at 05:53:15AM -0700, David Christensen wrote:
> Does anyone have any comments or suggestions regarding how to use magnetic
> hard disk drives, commodity x86 computers, and Debian for long-term data
> storage with ensured integrity?
I use LVM on ext4, and
On Tue Apr 2, 2024 at 10:57 PM BST, David Christensen wrote:
> AIUI neither LVM nor ext4 have data and metadata checksum and correction
> features. But, it should be possible to achieve such by including
> dm-integrity (for checksumming) and some form of RAID (for correction)
> in the storage
On 4/2/24 14:57, David Christensen wrote:
AIUI neither LVM nor ext4 have data and metadata checksum and correction
features. But, it should be possible to achieve such by including
dm-integrity (for checksumming) and some form of RAID (for correction)
in the storage stack. I need to explore
On 4/2/24 06:55, Stefan Monnier wrote:
The most obvious alternative to ZFS on Debian would be Btrfs. Does anyone
have any comments or suggestions regarding Btrfs and data corruption bugs,
concurrency, CMM level, PSP, etc.?
If you're worried about such things, I'd think "the most obvious
> The most obvious alternative to ZFS on Debian would be Btrfs. Does anyone
> have any comments or suggestions regarding Btrfs and data corruption bugs,
> concurrency, CMM level, PSP, etc.?
If you're worried about such things, I'd think "the most obvious
alternative" is LVM+ext4. Both Btrfs and
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