On Ma, 29 dec 20, 21:37:01, Thomas A. Anderson wrote:
>
> I have been using it for years, and while not a bad "thing," in
> retrospect, not sure it actually meant my critieria (eh, who knows,
> maybe it did), but now I have a more clear use case, basically to have a
> clean backup. I was using RAI
Michael Stone wrote:
> Just be very careful about ever putting both halves of the array on the
> same computer again, as one will overwrite the other, potentially
> automatically, and not necessarily in a direction you like.
yes this is true. when you add the device you should mark it as faulty
On Mi, 30 dec 20, 00:05:55, Kanito 73 wrote:
>
> What can it be? What can I do? Would you recommend to perform a new
> REAL AND FULL INSTALLATION (not restore of backed up brand new
> installation) with latest Debian 10?
Yes.
(unless the backup is pure Debian, without any third-party software
On Tue, Dec 29, 2020 at 10:58:38PM -0500, Felix Miata wrote:
[...]
> So people are supposed to discard or replace their older external devices just
> because something else came along that may or may not actually be as well
> suited
> to task?
"Ending is better than mending"
-- Aldous Huxley
When i enter mdadm --examine /dev/sdb
I get:
/dev/sdb:
MBR Magic: aa55
Partition[0] : 3907026944 sectors at 2048 (type 83)
So I thought I was good. I then tried to reassemble:
mdadm -A -R /dev/md0 /dev/sdb
I get:
mdadm: cannot assembler mbr metadata on /dev/sdb
So, I tried i
Thomas A. Anderson wrote:
> Which bring me to my final question, just for closure.
>
> If hardware raid (like if I bought a controller), would it be any
> different, if I removed the drives and just put on one another machine
> -- would I be able to see the data on it like a normal drive? Or woul
On 30.12.2020 15:42, Thomas A. Anderson wrote:
it could all very well be, that I have borked these two drives. It's not
the end of the world, there was no data loss, and the data was already
transferred off of them. And, my lesson has been learned. RAID sounds
all good and dandy, and does provide
Hi Mick,
On Tue, Dec 29, 2020 at 03:32:07PM +, mick crane wrote:
> On 2020-12-29 13:10, Andy Smith wrote:
> >The default metadata format (v1.2) for mdadm is at the beginning of
> >the device. If you've put a filesystem directly on the md device
> >then the presence of the metadata will prevent
On 2020-12-30 02:21, Michael Stone wrote:
On Wed, Dec 30, 2020 at 01:53:59AM +0100, deloptes wrote:
you can start one of the drives that was member of raid1 array on any
computer, just as Reco said by assembling the mdraid on that computer.
Just be very careful about ever putting both halves
On 2020-12-30 at 08:38, Andy Smith wrote:
> Hi Mick,
>
> On Tue, Dec 29, 2020 at 03:32:07PM +, mick crane wrote:
>
>> On 2020-12-29 13:10, Andy Smith wrote:
>>
>>> The default metadata format (v1.2) for mdadm is at the beginning
>>> of the device. If you've put a filesystem directly on the
On Wed, Dec 30, 2020 at 11:42:37AM +0100, Thomas A. Anderson wrote:
> When i enter mdadm --examine /dev/sdb
>
> I get:
>
> /dev/sdb:
>
> MBR Magic: aa55
>
> Partition[0] : 3907026944 sectors at 2048 (type 83)
It would say more than that if sdb had ever been an md RAID member.
Are
On Tue, Dec 29, 2020 at 10:58:38PM -0500, Felix Miata wrote:
So people are supposed to discard or replace their older external devices just
because something else came along that may or may not actually be as well suited
to task?
Basically, yes. If I'm provisioning a new system, it seems stupid
Hello,
On Wed, Dec 30, 2020 at 02:38:46PM +0100, Jesper Dybdal wrote:
> I would hope that the most recently modified half of the array would be the
> one to overwrite the least recently modified one, so that a temporary
> absence of one disk which later comes back unmodified, will not destroy
> da
On Wed, Dec 30, 2020, 7:39 AM Jesper Dybdal
wrote:
> I would hope that the most recently modified half of the array would be
> the one to overwrite the least recently modified one, so that a
> temporary absence of one disk which later comes back unmodified, will
> not destroy data.
>
> Is that ho
On Wed, Dec 30, 2020, 8:03 AM Nicholas Geovanis
wrote:
>
>
> On Wed, Dec 30, 2020, 7:39 AM Jesper Dybdal
> wrote:
>
>> I would hope that the most recently modified half of the array would be
>> the one to overwrite the least recently modified one, so that a
>> temporary absence of one disk which
Andrei POPESCU writes:
>
>Automatic mirroring / synchronizing is unsuitable for backups, because
>it will also sync accidental changes to files (including deletions) or
>filesystem corruptions in case of power outage or system crash (that may
>lead to corrupted files or entire directories "disa
Hi,
I'm puzzled by VLC's handling of my webcam. When I open it using
default settings, either via the GUI or CLI ('vlc v4l2://'), it opens
(according to 'Tools / Media Information / Codec') in 848x480. The
camera supports HD, however, and I can get that by 'vlc
v4l2://:width=1280:height=720' (or b
On 2020-12-30 13:38, Andy Smith wrote:
Hi Mick,
On Tue, Dec 29, 2020 at 03:32:07PM +, mick crane wrote:
On 2020-12-29 13:10, Andy Smith wrote:
>The default metadata format (v1.2) for mdadm is at the beginning of
>the device. If you've put a filesystem directly on the md device
>then the pre
Marc Auslander wrote:
> Andrei POPESCU writes:
> >
> >Automatic mirroring / synchronizing is unsuitable for backups, because
> >it will also sync accidental changes to files (including deletions) or
> >filesystem corruptions in case of power outage or system crash (that may
> >lead to corrupte
Hi.
On Wed, Dec 30, 2020 at 09:55:06AM -0500, Marc Auslander wrote:
> Andrei POPESCU writes:
> >
> >Automatic mirroring / synchronizing is unsuitable for backups, because
> >it will also sync accidental changes to files (including deletions) or
> >filesystem corruptions in case of power
On Mi, 30 dec 20, 16:56:25, mick crane wrote:
>
> I just confused myself. Initially I read somewhere that to make the raid
> first copy the OS from one disk to another.
Do you mean copy as in 'cp' or 'rsync' or similar? RAID operates at a
lower level, typically below the filesystem (except for Z
Michael Stone composed on 2020-12-30 08:56 (UTC-0500):
> On Tue, Dec 29, 2020 at 10:58:38PM -0500, Felix Miata wrote:
>>So people are supposed to discard or replace their older external devices just
>>because something else came along that may or may not actually be as well
>>suited
>>to task?
Reco writes:
>
>And what purpose would it serve? IMO it's not a backup unless it's
>stored in a way that's inaccessible to the system its taken from (until
>it's actually needed of course).
>
>Reco
IMHO, there are two levels of backup. The more common use is to undo
user error - deleting the wron
On Mi, 30 dec 20, 13:35:19, Felix Miata wrote:
>
> Again you stripped context. Managing media is a component of most backup
> systems.
> Labeling is an integral component of such management, as is storage of the
> media.
> I've yet to see a USB stick storage system that accommodates either label
On Wed, Dec 30, 2020 at 01:35:19PM -0500, Felix Miata wrote:
Michael Stone composed on 2020-12-30 08:56 (UTC-0500):
On Tue, Dec 29, 2020 at 10:58:38PM -0500, Felix Miata wrote:
So people are supposed to discard or replace their older external devices just
because something else came along that
On Mi, 30 dec 20, 13:29:05, Marc Auslander wrote:
>
> IMHO, there are two levels of backup. The more common use is to undo
> user error - deleting the wrong thing or changing something and wanting
> to back out. For that, backups on the same system are the most
> convenient. And if its on the sa
Le mercredi 30 décembre 2020 à 16:40:06 UTC+1, Celejar a écrit :
[...]
> 1) Why does VLC default to the lower resolution? Incidentally, I see
> that Cheese also opens the camera by default at a lower resolution -
> but a different one: 960x540. Why? Is this to save space when recording?
I don't
On Wed, Dec 30, 2020 at 09:12:08PM +0200, Andrei POPESCU wrote:
On Mi, 30 dec 20, 13:29:05, Marc Auslander wrote:
IMHO, there are two levels of backup. The more common use is to undo
user error - deleting the wrong thing or changing something and wanting
to back out. For that, backups on the
Le mercredi 30 décembre 2020 à 16:40:06 UTC+1, Celejar a écrit :
[...]
> 1) Why does VLC default to the lower resolution? Incidentally, I see
> that Cheese also opens the camera by default at a lower resolution -
> but a different one: 960x540. Why? Is this to save space when recording?
to set
On Wed, Dec 30, 2020, 1:12 PM Andrei POPESCU
wrote:
> On Mi, 30 dec 20, 13:29:05, Marc Auslander wrote:
> >
> > IMHO, there are two levels of backup. The more common use is to undo
> > user error - deleting the wrong thing or changing something and wanting
> > to back out. For that, backups on
Le 30/12/2020 à 00:11, Linux-Fan a écrit :
Yvan Masson writes:
Hi list,
I need to run a graphical software called Noethys that also listens on
some TCP port. It:
1. needs to be reachable from the network during work hours
2. needs to be accessible remotely a few times per day, mainly by a
W
Nicholas Geovanis wrote:
> And also an argument in favor of using only SSD, now that we're past the
> first couple generations of it which were quite unreliable.
It depends. For example on the machine at home with LSI adapter that
provides the speed of SATA II I do not see any benefit of using SS
Michael Stone composed on 2020-12-30 14:10 (UTC-0500):
> On Wed, Dec 30, 2020 at 01:35:19PM -0500, Felix Miata wrote:
> Wasting power running obsolete equipment is a personal hobby, not an
> environmental benefit. If you're really concerned about generating new
> waste, then repurpose someone e
Thomas A. Anderson wrote:
> If hardware raid (like if I bought a controller), would it be any
> different, if I removed the drives and just put on one another machine
> -- would I be able to see the data on it like a normal drive? Or would I
> run into the same issue??
if you choose using hardwar
On Wed, Dec 30, 2020 at 04:07:01PM -0500, Felix Miata wrote:
If it works, it shouldn't need fixing, or replacing.
And yet, this entire subthread was premised on an upgrade! If you want
to keep running old hardware then do so. Why on earth would it upset you
that someone else isn't?
It's ve
On Wed, Dec 30, 2020 at 09:44:09PM +0100, deloptes wrote:
It depends. For example on the machine at home with LSI adapter that
provides the speed of SATA II I do not see any benefit of using SSD except
power saving
The improvement in seek times typically makes for a dramatic improvement
in usa
Michael Stone wrote:
> The improvement in seek times typically makes for a dramatic improvement
> in usability and user experience, regardless of maximum transfer rate.
> Replacing an SSD with an HD will usually breathe new life into an old
> system; people tend to dramatically underestimate how m
Yvan Masson writes:
[...]
What I did not understand from your answers (sorry maybe I missed something)
is how to start the graphical session automatically when the container
starts, so that the software can be started and listening on the network,
and then later someone can attach to this
> On Wed, Dec 30, 2020, 3:08 PM deloptes wrote:
>
>> Thomas A. Anderson wrote:
>>
>> > If hardware raid (like if I bought a controller), would it be any
>> > different, if I removed the drives and just put on one another machine
>> > -- would I be able to see the data on it like a normal drive? Or
Hello,
On Wed, Dec 30, 2020 at 11:14:37PM +0100, deloptes wrote:
> Can someone recommend server or NAS grade (SATA) SSD - a reliable one for
> RAID use?
I suggest checking smartctl values on your existing device to see
how much data you write in a week or so, then convert that to the
matching uni
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