Hopfgeist

@Hopfgeist@feddit.de

Safety Engineer, Dad, Husband, Pilot, Musician. Not necessarily in that order.

Ingenieur für funktionale Sicherheit, Vater, Ehemann, Pilot, Musiker. Nicht notwendigerweise in dieser Reihenfolge.

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Hopfgeist,

What are we looking at? Incendiary cluster munitions?

Hopfgeist,

Not sure this has been the official “explanation” this time, but looking at it from a technical side, there isn’t normally anything in a transformer flammable enough to be ignited by a cigarette, even if you could drop it directly into the cooling oil (which you can’t: they are normally sealed). My understanding is that you need a sustained arc over several minutes of “normal” electric current, or several lightning strikes to heat up the oil enough to catch fire. That requires some major fault. I guess a suitable type of warhead could cause it eventually, but not immediately.

Hopfgeist,

Yes, or other light aircraft. Not military. But what is or was in the building is anyone’s guess.

Hopfgeist,

That thing still looks like a combat robot from a science fiction movie. Especially the muzzle devices look so silly. I know they are important as they measure the actual muzzle velocity, which helps to make it as accurate as it is, but still: http://leopardclub.ca/reviews/Meng/Gepard/images/real-muzzle-2.jpg

Hopfgeist,

They need more Gepards! They can do it with fewer shots, I guess. But even though slow and low, hitting those things with manually tracked FlaK is no small feat. Well done!

Hopfgeist,

I heard about 60 from Jordan. Have to check my sources.

Hopfgeist,

Nice. My longest-running NetBSD system is a tiny virtual machine I only use for my IRC client, with an uptime of 901 days now, running NetBSD 9.1_STABLE.

The fact that NetBSD 10.0 isn’t even released yet shows the slow update cycle for NetBSD. None of the “a major release every year” nonsene. “It will be released when it’s ready.” I like that, and all my home servers run NetBSD (with the ocassional Linux VM for stuff that is so “all-the-world-is-linux”-narrowminded that I couldn’t get it to run natively on NetBSD, such as Collabora Online and BigBlueButton).

Hopfgeist,

I was going to say, “burnt” seems like a bit of an understatement. It even blew the engine block to pieces.

Hopfgeist,

It’s over 1,000 km from Ukraine; I don’t think they have anything with that range. That is beyond even the elusive Taurus in its original form.

Hopfgeist,

Oh no, another red line! How many were there now?

Normally, the Russian air defense should deal with Tomahawks easily (they’ve had decades to prepare: Tomahawks are nuclear-capable, so it was a top priority to develop the look-down shoot-down capabilities of the MiG-31 and others), but the way it’s been going recently I would give it a substantial chance of getting through to Alabuga.

Hopfgeist, (edited )

I think the Gepard is probably the most cost-effective way of shooting down Shaheds. These fly low and slow, exactly what the Gepard was designed for. I didn’t know Jordan had so many of them, but this is good news and will help protect Ukrainian infrastructure during winter, together with additional Patriot and IRIS-T from Germany. I hope they can also secure enough ammunition.

Hopfgeist,

Edit: expected delivery, may 2024… well shit.

Yes, so not for this winter. Sh*t indeed. They really need them.

Hopfgeist,

Yes, literally called “Flakpanzer” in German. Or “Flugabwehrkanonenpanzer” in its full form.

Different "geometries" for same disk model?

I know that for decades now, hard disks don’t really reveal their actual internal geometry (which is complicated anyway, since inner cylinders may have fewer sectors than outer cylinders, etc.), and present fictional geometries to satisfy legacy software, but I found it weird anyway....

Hopfgeist, (edited )

I’m not touching that post again. But a small rant about typesetting in lemmy: It seems there is no way whatsoever to put angle brackets in a “code” section. In an overzealous attempt to prevent HTML injection, everything in angle brackets is just removed when posting (although it remains there in preview). In normal text, you can use “<”, but not inside “code” segments, where it will be retained verbatim.

Hopfgeist,

Sure, SCSI disks will show their defective list (“primary defects”, as delivered by the factory, and grown defects, accumulated during use), and they all have a couple hundred primary defects. But I don’t see why that would affect the reported geometry, given that it is fictional, anway. And all disks have enough spare tracks to accommodate for the defects, and offer the specified full number of total sectors, even for long list of grown defects. Incidentally, all the 4TB disks are still “perfect” in that they have no grown defects.

And yes, ever since LBA, nobody has used sectors and cylinders for anything.

Hopfgeist,

Ich weiß nicht, was der SUV für einen Verbrauch hat, aber die abgebildete TBM-850 hat im Reiseflug auf großer Höhe einen Verbrauch von ca. 36 L/100 km (Quelle). Wenn man die Umwege durch Straßenführung abzieht, kommt man vielleicht auf ein Äquivalent von 25 L/100km für dieselbe Strecke. Im Steigflug wird aber deutlich mehr verbraucht, so dass realistische Werte höher sind, je nach Strecke.

Für typische Sporflugzeuge kommt das mit den 15 L/100 km schon fast hin (200 km/h, 30 L/h), der Vorteil für Luftlinie bringt einen in den 10 L/100km-Bereich.

Kleine moderne Zweisitzer brauchen bei 200 km/h z. T. nur 13 L/h, da ist man schon im Bereich von 5L/100km-Äquivalent (Luftlinie vs. kurvige Straßen.

Schon bei dem Flug von Merz zu Lindners Hochzeit haben Leute berechnet, dass sein Diesel-Flugzeug (kein Jet) etwa so viel verbraucht wie die dicken Limousinen anderer Gäste. Nur dass er viel schneller da war. Und dass alle anderen Kosten ein vielfaches von Pkw-Kosten betragen.

Je nachdem, was man betrachtet, hat Fliegen mehr oder weniger Freiheiten als Autofahren. Keine Staus, in vielen Lufträumen keine Strecken- oder Höhenvorgaben, aber insgesamt viel stärkere Reglementierung.

Hopfgeist,

Very unlikely. The West has enough sources in the Kremlin. We would know when he died. Things like this cannot be kept secret.

Hopfgeist,

RAID is generally a good thing but don’t get complacent, follow the 3-2-1 method

To expand on that: Redundant drive setup and backups serve completely different purposes. The only overlap is in case of a single disk failure, where RAID (or similar) may save the data.

Redundancy is all about reducing downtime in case of single hardware failures. Backups not only protect you from data loss in case of multiple simultaneous failures, but also from accidental deletion. Failures that require restoration of data almost always involve downtime. In short: You always need backups (unless it’s strictly a local cache, and easily recreatable), but if you want high availability, redundancy may help.

3-2-1-rule for backups, in case you’re unfamiliar: 3 copies of important data, on 2 different media, with 1 off-site.

Hopfgeist,

If you’re as paranoid as me about data integrity, SAS drives on a host adapter card in “Initiator Target” (IT) mode with write-cache on the disks disabled is the safest. It will degrade performance when writing many small files concurrently, but not as badly as with SATA drives (that’s for spinning disks, of course, not SSD). With a good error-correcting redundant system such as ZFS you can probably get away with enabled write cache in most cases. Until you can’t.

Hopfgeist,

I had no idea that the North-Koreanification of Russia was already that far advanced. Propaganda and music so hilariously over the top that nobody could possibly believe any of it, and yet everyone must pretend to.

Hopfgeist,

At first I thought “Yes”. Everyone helps defending the country. But thinking about I have to agree with you 100%. Children must be shielded from war and given a normal childhood as far as possible. Don’t lie to them when they ask why they have to run for shelter, or where their father is, but don’t involve them in hating and killing other people, no matter how justified it may be.

Hopfgeist,

“Speed limit enforced by aircraft.”

Hopfgeist,

It is up to Ukraine, but I think a few points remain extremely important:

  • Any gain that Russia can retain from its aggression vindicates their invasion. And they will do it again. To the Russian government, personnel losses are irrelvant.
  • Any peace that does not include Ukraine in a strong alliance (read: full NATO membership) will allow Russia to rebuild military strength and attack again to finish what they started
  • Any deal that Russia signs is not worth the paper, as we have seen with the wanton violation of the Budapest Memorandum, in which Russia agrees to respect the borders of Ukraine as defined in the Helsinki Accords, and not to use force or threat of force against any signatory state (which included Ukraine).
  • From which follows: only a strong Ukraine, backed by credible assurances of defense by all of NATO will keep Russia from attacking again. Not a written deal alone.
Hopfgeist, (edited )

That assumes the people “broaching the topic of negotiations” are the same that promised support for however long it takes. Since the negotiation-supporters have chosen to remain anonymous, this is not an assertion we can make. But we know some likely names among US Republicans, parroting Russian propaganda.

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