From: William Kenworthy <billk@iinet.net.au>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] [OT] SMR drives (WAS: cryptsetup close and device in use when it is not)
Date: Sun, 1 Aug 2021 11:46:02 +0800 [thread overview]
Message-ID: <7b00c8ee-b142-cd21-fc9e-77d272bb116e@iinet.net.au> (raw)
In-Reply-To: <faf7bf15-ec9e-ba6f-a840-fa062faccf18@iinet.net.au>
On 1/8/21 11:36 am, William Kenworthy wrote:
> On 1/8/21 8:50 am, Frank Steinmetzger wrote:
>> Am Sat, Jul 31, 2021 at 12:58:29PM +0800 schrieb William Kenworthy:
>>
>>> Its not raid, just a btrfs single on disk (no partition). Contains a
>>> single borgbackup repo for an offline backup of all the online
>>> borgbackup repo's I have for a 3 times a day backup rota of individual
>>> machines/data stores
>> So you are borg’ing a repo into a repo? I am planning on simply rsync’ing
>> the borg directory from one external HDD to another. Hopefully SMR can cope
>> with this adequatly.
>>
>> And you are storing several machines into a single repo? The docs say this
>> is not supported officially. But I have one repo each for /, /home and data
>> for both my PC and laptop. Using a wrapper script, I create snapshots that
>> are named $HOSTNAME_$DATE in each repo.
> Basicly yes: I use a once per hour snapshot of approximately 500Gib of
> data on moosefs, plus borgbackups 3 times a day to individual repos on
> moosefs for each host. 3 times a day, the latest snapshot is stuffed
> into a borg repo on moosefs and the old snapshots are deleted. I
> currently manually push all the repos into a borg repo on the USB3 SMR
> drive once a day or so.
>
> 1. rsync (and cp etc.) are dismally slow on SMR - use where you have to,
> avoid otherwise.
>
> forgot to mention
1a. borgbackup repos are not easily copy'able - each repo has a unique
ID and copy'ing via rsync creates a duplicate, not a new repo with a new
cache and metadata which depending on how you use can cause
corruption/data loss. Google it.
BillK
next prev parent reply other threads:[~2021-08-01 3:47 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-14 4:50 [gentoo-user] cryptsetup close and device in use when it is not Dale
2021-06-15 13:48 ` Ramon Fischer
2021-06-15 14:21 ` Dale
2021-06-15 14:52 ` Jack
2021-06-15 15:26 ` Dale
2021-06-15 19:04 ` Ramon Fischer
2021-06-21 4:18 ` Dale
2021-06-21 4:49 ` Dale
2021-06-21 5:41 ` Dale
2021-06-21 5:59 ` Dale
2021-06-28 3:35 ` Dale
2021-07-05 3:19 ` Dale
2021-07-06 18:40 ` Ramon Fischer
2021-07-06 19:43 ` Dale
2021-07-07 14:48 ` Dr Rainer Woitok
2021-07-07 18:08 ` Dale
2021-07-08 8:20 ` Ramon Fischer
2021-07-12 8:31 ` Dale
2021-07-12 13:14 ` Ramon Fischer
2021-08-02 13:33 ` Dale
2021-08-09 13:38 ` Ramon Fischer
2021-09-19 11:55 ` Dale
2021-07-25 20:29 ` Frank Steinmetzger
2021-07-25 23:10 ` Dale
2021-07-26 21:00 ` Frank Steinmetzger
2021-07-26 22:48 ` Dale
2021-07-29 16:46 ` Wols Lists
2021-07-29 20:55 ` [gentoo-user] [OT] SMR drives (WAS: cryptsetup close and device in use when it is not) Frank Steinmetzger
2021-07-29 21:31 ` Frank Steinmetzger
2021-07-30 12:48 ` Frank Steinmetzger
2021-07-30 5:14 ` William Kenworthy
2021-07-30 14:29 ` Rich Freeman
2021-07-30 16:50 ` antlists
2021-07-30 18:38 ` Rich Freeman
2021-07-31 3:14 ` William Kenworthy
2021-07-31 3:50 ` Wols Lists
2021-07-31 4:58 ` William Kenworthy
2021-07-31 12:12 ` Rich Freeman
2021-08-01 0:41 ` Frank Steinmetzger
2021-08-01 0:56 ` Rich Freeman
2021-07-31 16:38 ` antlists
2021-08-01 0:50 ` Frank Steinmetzger
2021-08-01 3:36 ` William Kenworthy
2021-08-01 3:46 ` William Kenworthy [this message]
2021-08-01 21:38 ` Frank Steinmetzger
2021-08-02 5:38 ` William Kenworthy
2021-08-02 21:52 ` Frank Steinmetzger
2021-08-02 23:10 ` William Kenworthy
2021-08-03 8:18 ` Frank Steinmetzger
2021-08-05 20:40 ` Frank Steinmetzger
2021-08-06 7:22 ` William Kenworthy
2021-08-01 21:55 ` Frank Steinmetzger
2021-08-02 6:12 ` William Kenworthy
2021-08-02 22:03 ` Frank Steinmetzger
2021-08-02 23:35 ` William Kenworthy
2021-08-01 3:41 ` William Kenworthy
2021-08-01 21:41 ` Frank Steinmetzger
2021-07-31 12:21 ` Rich Freeman
2021-07-31 12:59 ` William Kenworthy
2021-07-31 13:30 ` Rich Freeman
2021-08-01 3:05 ` William Kenworthy
2021-08-01 11:37 ` Rich Freeman
2021-07-31 5:23 ` William Kenworthy
2021-06-15 17:48 ` [gentoo-user] Re: cryptsetup close and device in use when it is not Remy Blank
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