Suzune

This is an old PC (Intel i7 3770K) with 2 HDDs (16 TB) attached to onboard SATA3 controller, 16 GB RAM and 1 SSD (120 GB). Nothing special. And it’s quite busy because it’s my home server with a VM and containers.

The question is how do you get a bad performance with ZFS?

I just tried to read a large file and it gave me uncached 280 MB/s from two mirrored HDDs.

The fourth run (obviously cached) gave me over 3.8 GB/s.

Go to hell Russia.

There is nothing to refurbish in drives. They are just second hand devices. You can check if they are fine pretty easy and you need to take a look at the age (power on hours). I replace drives at 50k-60k hours, no matter if they are fine.

If you break trains programmatically (by software) you’re an industrial saboteur.

That’s much worse than to hack them to work again.

Most of these observations are subjective. I’ve had some Seagate drives that worked well but were very hot and wasted energy. On the other hand WD was crap so far, starting with 3 TB. Not because of quality, but because of power saving features that were a major annoyance to me (green and some blue drives). Red drives I had were mostly fine, even they wore out pretty quickly (Load_Cycle_Count bugs). They ran at 0% health left for a few years and had other awful SMART and on-drive controller bugs.

Since Seagate and WD are essentially the same company and they lied about SMR before, I wouldn’t buy either of them.

Are you looking for something like cached credentials?

I think they are just expecting that the upper management generates code using AI and the coders will try to fix it to get it to work.

They don’t block torrents because they like to watch people connect to the nodes and then sue them.

It’s always better to use onion routing.

Many manufacturers offer product sheets. You can also use price comparison websites. They sometimes offer an easy way to look at the specs or even compare them side by side.

Some hard drives are built for 24/7 operation. They have higher MTBF ratings and longer guarantees.

Hard drives are very different. Many of them waste energy, lie in the SMART log or just are weird (spin up and down, lose speed, get incredibly hot etc.)

I’ve been self-hosting Postfix for several years and it’s not difficult, if you’re absolutely confident what you do. I don’t recommend it if you don’t know basic behaviors and internals of SMTP and relaying. Also you need to know how to secure your server so you don’t get spammed a lot and getting hammered with brute force attacks.

From time to time you need to react to delivery problems. Most interesting one is perhaps Microsoft, which you need to ask to whitelist your server or your email won’t be accepted.

I recently removed my 25Gbps PCIe dual port cards from my 2 servers because they were using 20W more. My entire rack including 2 UniFi PoE connections uses 90 W now (so 110 W just for having 25 Gpbs).

There is some heat from such cards, but usually it gets transported outside fine. The ones I bought did not come with a fan. I think you cannot operate them without one. The heat sinks get very hot.

It’s so easy to work around an audit. Companies lie. Auditors are being bribed. Everything is based on trust.

I still don’t really know what you mean. How a document looks like depends on you. I’ve got very many fonts available, much more than average Microsoft Office user has. And it’s easier to use LibreOffice from my point of view, because it emphasizes structure. It looks much cleaner by default than MS Word. The only thing MS Word is better in is typesetting. LibreOffice simply fails to place letters properly.

Documents produced by office suites are not really good for publications. They are very annoying to handle, no matter if it’s MS Office or Libre. The cheapest option to have something professional is LaTeX.

I don’t understand why ODT is complicated. It’s a zipfile with inspectible data. The standard document is also not as vendor-specific as MS OOXML which is thousands of pages that everybody gave up upon.

It’s because it’s not the native format. How does MS Office show/edit ODT documents? Does it work better?

Passkeys are an open standard. You need to install a Webauthn-compliant supplicant that talks to the browser. The supplicant can be anything, as long as it does the required protocol. The browser doesn’t care.

At the moment the browsers are the main problem. They need to open their APIs properly.

Did you use iperf? It makes sure that HDD/SSD is not the bottleneck.

You can also check the statistics and watch for uncommon errors. Or trace the connection with tcpdump.

The only problem is sync across devices. There are not many good options. Maybe it’ll get better with DB support later.