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Hey Guys,

I've got a HP MicroServer N36L as my primary Storage server at home, currently running 4 x 2TB Drives in a Software RAID5 configuration. This gives me around 5.5TB of Storage with some redundancy.

I need to increase the amount of storage available to this array so I want to exchange one of the 2TB drives with a 3TB Drive. What steps should I take to achieve this?

RAID-5 was created in Windows Server 2008 R2

Thanks

Chris

Due to how RAID-5 is, you need all the disks to be the same capacity. Simply removing one 2TB drive and replacing it with a 3TB drive will not gain you a single byte of extra storage. You would need to change each disk individually until they are all 3TB then you can expand the array if the built in Windows software raid function supports it. Unfortunately I cannot comment on if it does support that as I've only ever used Hardware RAID cards under Windows.

All drives must be the same capacity. You can't just add a little more. And I have not seen adding drives to an existing raid set without first destroying the raid set which means either take an image of the drive, copy all of your data off, or be prepared to loose your data.

Well, losing the Data isn't an option. So I guess I'll order another HP MicroServer in a few months and begin using FreeBSD to setup a ZFS pool and migrate the data over. Either that or maybe a Drobo-esque solution.

Any ideas for an expandable storage solution? Doesn't Windows Server 2012 come with some new RAID-style redundant data spanning system?

Just thought I would mention how I am handling my storage on my N40L

I am running 2k8r2 essentials storage server (big brother of WHS) And the drivepool addon - http://stablebit.com/ in a virtual machine. I then have RDM of the drives to this VM.

Sweet thing about the addon is that allows you to create pool of all your storage without having to worry about any sort of raid. And allow you to expand on the file - no need for same size or speed of disks, etc.

So for example I have a 2TB, a 2x 750 all in one pool. So it adds up to like 3.18TB -- now for safety reasons I have my grand daughter vids duplicated (copy on more than one disk).. This is not my backup!! This is just so if I loose a drive in the pool I don't have to worry about recovery those files from backup - which they are (in multiple places!)

post-14624-0-08230800-1340653945_thumb.j

If I want to add more space, just connect another disk - with the N40L I can add 2 more drives for a total of six. But my current plan is to wait til drives come down in price and then swap out my 750s for bigger drives. Its as simple as remove drive from pool (will need enough space free to move the files off of it in the pool). Then just replace with newer bigger drive and it will the redistribute the files across the pool.

I just don't see the need in home setup for the overhead of conventional raids. Now I have looked into the ZFS pool stuff, and it is slick stuff. But you might want to read the details of adding more space - you can not just add one more drive to the pool. Say you have a raidz setup with 3 drives in 5, to add more space to the pool you would have to create another raidz with 3 more drives, etc. It is SLICK, don't get me wrong!! But in the home setup, I would go with unraid setup or what I am doing. I would like to go with unraid as my space requirements grow - but I was able to accomplish my goals on a very cheap budget by leveraging the drive bays of my N40L and just using a VM as the frontend to the drives.

Since I can add 2 more drives to my N40L, and not counting the drive I am using for my VMs datastore - I can have like 5 drives in one large pool or 5x3TB say for 15TB of storage - with the ability to duplicate my stuff across multiple.. Shoot even if I just limit myself to the 3 actual bays of the N40L using now - could go with 4TBx3 if really needed space for 12TB.

And as you saw from the performance thread -- able move files on and off this pool with no issues at very very good speeds.

edit: Another nice thing about the drivepool addon, is I was able to add the drives with their files on them, no need to wipe the drive or anything when added to the pool.. And then just moves the files into the pool, etc.

Hmm, I'd give something like that a spin, but I need 100% disk-disk redundancy not just file-level redundancy. I guess the only 'true' solution for this right now is something like a Drobo Pro mounted back to the File Server over iSCSI.

"but I need 100% disk-disk redundancy"

Why?? Is this a home setup or not? And sorry to break it too you, but you have clearly stated your running raid 5 - that is not 100% disk-disk redundancy.

So which is it? Do you need 100% disk-disk redundancy, or do you not really know what you need ;)

Please tell me your not using your RAID as your backup.. If I had a dollar for every time we have gone over this -- RAID is NOT a BACKUP!!

"but I need 100% disk-disk redundancy"

Why?? Is this a home setup or not? And sorry to break it too you, but you have clearly stated your running raid 5 - that is not 100% disk-disk redundancy.

So which is it? Do you need 100% disk-disk redundancy, or do you not really know what you need ;)

Please tell me your not using your RAID as your backup.. If I had a dollar for every time we have gone over this -- RAID is NOT a BACKUP!!

Maybe my wording there was a little off, but if one of these drives fails and I replace it, I will not lose any data. 100% Disk-Disk would be closer to RAID10 I guess...

And no, I'm fully aware RAID is not a Backup solution, critical data is duplicated on Amazon S3. But Data Loss of any form sucks and RAID5 is the best preventative measure easily available to protect the entire storage pool.

All 'Personal' data is backed up to a Time Machine volume located at my office, hopefully they don't mind me chewing up their Bandwidth.

I've been looking at various NAS solutions for this and I believe the Drobo Pro would provide the best redundancy vs capacity expansion in this when using iSCSI, but I've had data-loss with a Drobo first gen in the past.

ZFS is worth looking at again; and with most of the critical systems moved off of this server onto the ESXi Server I could easily reformat this server and set-it-up as a FreeBSD box.

In my opinion you should look in to purchasing a hardware RAID card something like an LSI 9260-8i which is an 8 Port RAID card with 512MB onboard Cache and a Dedicated RAID5/RAID6 XOR chip by Intel. It supports expansion and migration.

The reason I recommend this card is for its dedicated RAID processor and its RAID6 capability which offers you two disk redundancy instead of the one disk redundancy that RAID5 has.

I'm also going to recommend that perhaps it is time you moved off your HP Microserver and built yourself a server. You like to run VM's you need a lot of storage and I think you've probably outgrown that box. The Drobo is nice but I think you can build a much better complete system for only a little bit more than the Drobo which would last you a lot longer and provide you with a significant performance bump in the CPU area which will benefit your virtual machines.

But this is just my advice and my opinion I'm not saying this is right I'm just giving my assessment.

What I hear about drobo is they are slow! I would prob look at http://www.qnap.com/useng/index.php?sn=69〈=en-us

"RAID5 is the best preventative measure easily available to protect the entire storage pool."

Best?? Depends on what your doing - Raid 1 would be better in some cases, 10 in others - 6 as already mentioned in others even.

If what you want is parity, and expansion -- take a look at unraid. It gives you parity you want to help prevent having to restore from backup on hardware failure. But allows for very easy expansion. http://lime-technology.com/

I got raid 5 too (thinking of 6 but would have required a bit mor money) ... suffice to say in my case I have a free SAS (4Sata) available so what I do (in the near future) is get 4x3T and connect them -- then move the 4x1T on them and done.

Well, losing the Data isn't an option. So I guess I'll order another HP MicroServer in a few months and begin using FreeBSD to setup a ZFS pool and migrate the data over. Either that or maybe a Drobo-esque solution.

Any ideas for an expandable storage solution? Doesn't Windows Server 2012 come with some new RAID-style redundant data spanning system?

RAID 5 is starting to be non-recommended, and for good reason.

Personally i have a ZFS RAIDZ2 setup, thats double redunancy, ie.e whereas in RAID5 (or ZFS RAIDZ) you can only survive one bad drive in the array (lose another while waiting to replace (or even while replacing) the defective drive and theres your data gone...

ZFS RAIDZ2 will survive 2 bad drives, so for me, and this might seem extreme, and even as my data is home based i find it comforting. Of course along with backups to external once in a while.

There is of course RAIDZ3 (triple redendancy), but i wasnt going to push things that far, pricewise.

Currently i have:

FreeBSD

ZFS with RAIDZ2

5 2Tb drives in the array pool

1 hot spare

2 spare

Be aware that upgrading the storage has caveats as mentioned above, growing your pool is not what you would call easy.

Options for software raid (ZFS) are:

FreeBSD

OpenSolaris

OpenIndiana

FreeNAS

NAS4Free (continued version of FreeNAS NOT based on NanoBSD)

Linux...not recommended (ZFS via FUSE eek)

I always prefer to go software RAID rather than get locked into a chipset and find yourself one day not able to easily recover data.

Software RAID you can at least transfer...

This is topic I am very curious about (expansion of drive pool and raid in the home) -- so I want to bring up a couple of other things. BTW great post LiquidCrystalMeth for only 3rd one on the board, and nice nick as well ;)

I fail to understand the requirement for spending boat loads of money on parity/redundancy in the home setup to be honest. For example I am well over 1.8GB worth of music and video.. Not really a large collection, but its starting to expand now that I have a bit more breathing room. Then again I keep the files small vs large 8GB rips of movies, etc. So your talking quite a few (just looked over 3.1k video files and 3.5k music)

Here's the thing - would it suck if it all was lost, ok sure.. But they are not critical files, every single one of them can be replaced. Be it rerip or just download, etc. Now my "critical" (home videos/pictures) files are redundant as well as backed up all over the place on different media, different locations, online as well.

As to the vast majority of my storage requirements - its just videos and music that I could replace no problem. So why spend extra money on redundancy and or parity on such data?

My thought process here is I have my drives in a pool, so even if one fails only the data on that drive is lost - not the whole array. So would only have to rerip/replace those files - if I desired to do so. Quite possible those videos have already been watched and not really all that important that I have a live online copy.

It's cool to have your video's online and such to watch with a flick of a button - but come on, how many times do you watch the same video. Its more as show piece when friends come over, etc. Hey you want to watch X? - Click here you go, oh remember that south park episode from season 3 - click there you go. That sort of thing.

But if those files were lost - not really that big of deal. Now don't get me wrong, I would love to throw some parity in there. Have been looking at unraid, and almost went that route when my server died. But then going the esxi route to allow me easy VMs to play with along with storage for a cheaper budget won out in the race for my dollars.

Now I do have smart monitoring of my data drives (drive scanner from same people that make drivepool) And it emails me if there is any issues with the drives that might point to failure. So if that were the case I could replace with new drive before actual failure and not have to worry about redo of my video/music/etc that might of been lost.

So I guess my real question is - what sort of media do you have on your storage, and why does it warrant redundancy/parity to help prevent loss of access to data in hardware failure. Keep in mind that raid is not a backup!! So you can't say you don't want to loose critical files.. Because you wouldn't - all critical files would be backed up anyway! So what your saying is loss of access until replacement/recovery of the files only.

In a company setup, this is a major issue! If loss of access to the WORK files were lost for even a day or so you could be talking large loss of revenue with workers having nothing to do ;) So you prevent that with raid! So drive fails you just pop in another and no time loss in access to files. But this really doesn't scale to the home imho.

And no not talking about striping or raid 0 -- this I do believe has some merit in the home, if looking for performance or just playing, etc.

So are you running raid in the home because you have money to burn, or this is your hobby and what you want to spend your dollars on. Or are you really worried about loss of access to some files that can be replaced with just some effort. The creation of the raid, can also mean loss of MORE data that has to be replaced if bad luck and you loose 2 drives. If your just pooling them - only the % of files stored on those disks would have to be replaced.

Which is part of the reason I think unraid makes a lot of sense. You can get way more bang for your buck while still having parity vs typical raid 5 be it hardware or software setup. Best of both worlds kind of solution.

Your opinions and thoughts on this are most welcome - kind of a tangent to the original thread. But hey its still on point in helping the OP make a decision on how to best store his files. Should he expand his current setup with raid5 or go a different route? etc.

edit:

"Where can I pick p a copy of 2k8r2 essentials storage server? "

http://www.microsoft.com/en-us/server-cloud/windows-server/storage-server-essentials.aspx

It's not really sold in stores.. Are you an OEM? I work in the field, so I have lots and lots of OEM contacts plus my own oem system builders lic

http://www.microsoft.com/oem/en/licensing/sblicensing/Pages/index.aspx

Plus full access to MS downloads directly with enterprise agreement. Normally you get it with an appliance, lots of places to get it with an appliance. So if you buy an appliance you will get it - then depends if come pre installed or if you get media to install yourself, etc.

There are a few places on the web to buy just the software, quick google found this

http://www.mybusinesswebspace.com/cart/index.php?main_page=product_info&cPath=2_270_272&products_id=435

I have never dealt with that company, so please don't me linking to it as recommendation of it.

This is topic I am very curious about (expansion of drive pool and raid in the home) -- so I want to bring up a couple of other things. BTW great post LiquidCrystalMeth for only 3rd one on the board, and nice nick as well ;)

I fail to understand the requirement for spending boat loads of money on parity/redundancy in the home setup to be honest. For example I am well over 1.8GB worth of music and video.. Not really a large collection, but its starting to expand now that I have a bit more breathing room. Then again I keep the files small vs large 8GB rips of movies, etc. So your talking quite a few (just looked over 3.1k video files and 3.5k music)

Here's the thing - would it suck if it all was lost, ok sure.. But they are not critical files, every single one of them can be replaced. Be it rerip or just download, etc. Now my "critical" (home videos/pictures) files are redundant as well as backed up all over the place on different media, different locations, online as well.

As to the vast majority of my storage requirements - its just videos and music that I could replace no problem. So why spend extra money on redundancy and or parity on such data?

My thought process here is I have my drives in a pool, so even if one fails only the data on that drive is lost - not the whole array. So would only have to rerip/replace those files - if I desired to do so. Quite possible those videos have already been watched and not really all that important that I have a live online copy.

It's cool to have your video's online and such to watch with a flick of a button - but come on, how many times do you watch the same video. Its more as show piece when friends come over, etc. Hey you want to watch X? - Click here you go, oh remember that south park episode from season 3 - click there you go. That sort of thing.

But if those files were lost - not really that big of deal. Now don't get me wrong, I would love to throw some parity in there. Have been looking at unraid, and almost went that route when my server died. But then going the esxi route to allow me easy VMs to play with along with storage for a cheaper budget won out in the race for my dollars.

Now I do have smart monitoring of my data drives (drive scanner from same people that make drivepool) And it emails me if there is any issues with the drives that might point to failure. So if that were the case I could replace with new drive before actual failure and not have to worry about redo of my video/music/etc that might of been lost.

So I guess my real question is - what sort of media do you have on your storage, and why does it warrant redundancy/parity to help prevent loss of access to data in hardware failure. Keep in mind that raid is not a backup!! So you can't say you don't want to loose critical files.. Because you wouldn't - all critical files would be backed up anyway! So what your saying is loss of access until replacement/recovery of the files only.

In a company setup, this is a major issue! If loss of access to the WORK files were lost for even a day or so you could be talking large loss of revenue with workers having nothing to do ;) So you prevent that with raid! So drive fails you just pop in another and no time loss in access to files. But this really doesn't scale to the home imho.

And no not talking about striping or raid 0 -- this I do believe has some merit in the home, if looking for performance or just playing, etc.

So are you running raid in the home because you have money to burn, or this is your hobby and what you want to spend your dollars on. Or are you really worried about loss of access to some files that can be replaced with just some effort. The creation of the raid, can also mean loss of MORE data that has to be replaced if bad luck and you loose 2 drives. If your just pooling them - only the % of files stored on those disks would have to be replaced.

Which is part of the reason I think unraid makes a lot of sense. You can get way more bang for your buck while still having parity vs typical raid 5 be it hardware or software setup. Best of both worlds kind of solution.

Your opinions and thoughts on this are most welcome - kind of a tangent to the original thread. But hey its still on point in helping the OP make a decision on how to best store his files. Should he expand his current setup with raid5 or go a different route? etc.

For me, i dont have money to burn...anymore, i have several thousands of dollars in legally bought DVD's, and god knows how many terabytes of mp3's ripped legally thats where i once had money to burn once, and like any collector when you collect things you tend to throw money at it..

As the original DVD's and CD's deteriorate over time, even wihtout being played (environmental factors, rotting dyes etc), it was

important to me to safeguard the investment i made (like i said, thousands of dollars on DVD's alone).

I rarely play the actual original media, as i treat that as archival as well.

I dont want to have to purchase all those things again.

So i spent just over a thousand to build my RAID pool as really both an investment and an additonal level of protection. Add to that a backup to external onc ein a while and its worth the outlay.

As for the nick, i always try and put a spin on something tech :)

So you have a backup of them, then why the Raid? Don't get me wrong I would do it as well if money to play with - but I spend enough on tech. Personally the added cost of conventional raid is not worth it in my home setup.

To me the dollars spent on drives sitting there doing nothing but parity could be spent on either more storage, or more Movies/Music. There is nothing there that can not be replaced.

So you state TBs of storage.. Which I just noticed I stated 1.8GB -- thats TBs ;) That you actually "backup" So why spend money on the parity if you have a backup. Your just spending money on not having to spend any time on restore from your backup sounds like to me.

Which is fine, just trying to understand the thought process. So your worried about lost time on hardware failure in replacement time.. For me I would spend that money on other tech or more media, etc. But that is me.

If I lost a drive, it would be at most 1/3 of my collection currently. And its just that a collection, more of pack rat syndrome than actually NEED of the files. So what your doing is your hobby, ripping the stuff, storing it, protecting it, etc. Which is great!

Have you looked at say unraid -- lots of bang for the buck there in parity vs storage costs. With the 1 disk as your parity disk, you can have a very very large pool.

I had looked at unRAID but I don't feel the technology was explained well enough, again, I'd rather have a single large pool of Data with a folder structure instead of multiple filesystems being linked together in some mysterious way; that said being able to use any old disk I have lying around is a great idea. FreeNAS was another I was looking at; as was OpenFilier.

I guess I just want an easy 'just works' solution.

If your trying to understand how their parity drive works, this is a start

http://lime-technolo..._parity_work.3F

With links to deeper discussions.

You would have a large data pool, with 1 folder structure.

To be honest if what your looking for is folder structure and ease of access - what does it matter what the filesystem is or standalone on multiple disks vs striped across. I would worry about striping across spindles for performance. But if performance is not of primary concern, to be honest the tech used to provide you with your 1 common folder structure should be of secondary importance.

I fully agree with understanding the tech, at least at a basic level before using it. But its really not all that different than parity in a normal striped raid setup like 5. Just that the parity is stored on 1 drive vs stripped across all of them in the array.

One of the cool things about it and some of the other options, is that unlike with a typical raid where parity has to be created on the fly when you write the file. With unraid the parity can be created in the background after the fact for performance increase with the use of a cache drive. And my other below options also have ability to not have to do realtime parity creation.

I was a couple of minutes a way from going with unraid on the N40L, and even running it as a VM just like doing with my current setup. But the ability of the drivepool addon to add my existing data into the pool without having to wipe drives pushed me to go my current route. As long as I can have duplication of specific data that I don't want to have to recover from backup on a loss its a win win for me.

I get my common folder structure that spans the multiple drives for ease of use. I have a media folder, and then under that subfolders for tv/movies/music/etc -- I don't really care what filesystem its on. What is nice with this setup as well - is if need be I can directly access the files off the disks on any system that can read NTFS - with same folder structure and names.

My point being is I would expand your view of what is available - and not get stuck using the old standard raids and methods of file storage/parity and access.

If your priority is ease of file management (folder structure) and ease of expandability and ability to use nonlike drives I would look to some of the newer methods vs just plain jane raid 5. I have been very impressed with using the drivepool on my windows based server - you can use WHS if you want.

Other options that will work on just plain server or desktop version of windows is http://snapraid.sourceforge.net/ (free) another is http://www.flexraid.com/ (cheap!)

There are other things to look today other just standard raid 5 - that is for damn sure! Expanding your options is always a good thing!

All that being said if you want to stick with 5, there are cards out there even on soho budget that allow for expansion of the array on the fly. The intel matrix storage stuff is pretty freaking slick for example

I may review unRAID again in the future, for now I have about 500GB left on this Server so I'll clear out some of the junk that has been mounting up for a while and streamline things a little.

I guess one of the other huge bonuses of unRAID is being able to have discs spun-down when not using them, that could potentially save a lot of power when the Media Drives aren't being accessed.

Like I said, I'll research this and see what I can dig up, Ideally I'll also need AFP support and Active Directory authentication.

Thanks for all the recommendations thus far.

I don't know about the other home users here but my home server is quite beefy. 70TB of Storage, SAS Expanders + Three RAID Cards. 30 disk hot swapping in a Lian Li 343B case. Even the CPU is a power hungry Core i7 940 and I have 24GB of RAM installed, although I'm intending to put 48GB of RAM in it soon.

You asked about why would someone run RAID in the home BudMan. For me I run RAID6 on my arrays because I want redundancy. If my drives were to fail I would need to rely on my backups. What if those backups were to fail at the same time? Or what if some data that was mirrored to those backups a year ago was corrupted and I never knew? For me I don't want to lose any data and I also don't want to spend time worrying about it or managing it. And I definitely don't want to spend a weekend copying from backups to my main server.

I agree with what you're saying about parity, it is annoying spending extra money on a drive that is simply being used for parity. But to me it doesn't feel like a waste of my money, it feels more like insurance for time saved in the event that one or two drives fail simultaneously. I'm willing to incur that extra cost today for peace of mine and time saved retrieving files from my backups in the future.

Apart from just using RAID6 and having on-site backups. I also have a paid subscription to CrashPlan where my server is constantly backing up everything. They offer a great service by the way.

I can say this though it would be devastating to lose all my home movies, family pictures, my personal music collection etc these are things that are mostly not replaceable and so I'm taking multiple steps to safeguard it I'm not just going to rely on my backups that I rarely interact with to save my files in the event of a catastrophic drive failure.

"all my home movies, family pictures, my personal music collection"

So you have 70TB of "home movies" and pictures and music you created? Really?

I find that a bit difficult to believe to be honest..

And no that setup would not be a typical HOME setup ;) -- What does that cost you in power?? Do you have killawatt or ups that shows you what its drawing - just curious.

And you also have backed up all 70TB to the cloud -- what kind of internet connection do you have?

Hey more power too you - but to be honest that whole setup seems more like a hobby of yours in what you can do. Not what you actually need when on a budget ;)

I agree -- it not an option to loose your Home Movies/Pictures - these things are irreplaceable. Multiple backups, on multiple types of media in multiple locations for SURE!! But to me raid 6 seems a bit excessive to be honest. You have these files backed up do you not. To the home budget minded person running raid 6 is not very cost effective way to store media that can be replaced. What your spending money on is yes insurance from having to restore from backup. But with running that sort of hardware, I think its more a hobby of yours than actual need of insurance ;)

So you want to test Unraid virtual -- this should get you up and running

http://lime-technology.com/forum/index.php?topic=7914.0

I'll give that a miss; I'll wait on them to push an ISO before I begin messing around with Datastores etc. Plus RDM doesn't seam to work on my build of ESXi, maybe because it's free?

This topic is now closed to further replies.
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When I first learned about Delta Chat, it required users to sign in with an email account, but I was pleasantly surprised upon trying it in 2026 that this is no longer a requirement, or the preferred method was to use the app. Recently, I’ve tried UAD-ng on my old Nokia 3.4 to disable most of the Google apps because the bootloader is locked, and this is the next best option. While finding replacement apps in F-Droid, I came across Delta Chat again, and it has undergone quite a big change since I last used it, with its new chatmail relays, which no longer require you to sign in to your own email account, providing anonymity, and they offer greater security. Android and Desktop Delta Chat apps. Not only does it run on my de-googled phone, but it also works on desktop computers and iOS, making it truly ubiquitous. For me, Delta Chat is a wonderful alternative messenger because it gives you more control. It supports switching between different profiles, which you can set up super quickly; you don’t register a username, you don’t register a password. The only thing you do have is a random string email address on a chatmail relay (which you don’t have to memorize). To maintain access to your profile, you just need to add a second device to your account via QR code or make a backup of your account, which you can restore later. Fail to do these, your account is gone - as it should be if you don’t want to leave accounts that could get hacked later on. My decision to block Google stuff on my Nokia was done for practical reasons; the device sucked when it launched, and it sucks even more now. The nice thing about F-Droid and the apps within is that they’re usually lightweight, free of bloat, and work well on that device. What was inconvenient for me was that it was hard to send messages from that device, say if I wanted to copy a code over to my main phone or send family members a link from that device. That’s when I decided to look at the available chat apps and saw Delta Chat. Another nice thing about Delta Chat is its notifications. Some messaging apps rely on Google’s ecosystem for notification transport on Android; however, with Delta Chat, it can use Google’s solutions if you have Play Services or MicroG installed. Otherwise, it is able to keep a background connection to the chatmail relay server so that you can get notified when you receive a message. As free software, the code of Delta Chat is open for all who want to take it and build upon it. In the future, if the developers of Delta Chat make a catastrophically bad decision and take the app in an undesirable direction, users can take the code and fork the project. This contrasts with closed-source apps from corporations that can take their products in any direction they like. By relying on free software instead of closed-source programs, you actually control your computing. I’ve spoken at length about how running this type of software is like owning your own home rather than renting it. The same applies here; if you use Delta Chat, you don’t need to worry about it going away in the future. Whether it is Telegram, WhatsApp, or Messenger, you are required to register a username and password to use these services. A major flaw in this design is that anyone can try various passwords and potentially break into your account with your complete chat history intact. Sure, there is encryption in Messenger, where you need a second PIN and two-factor authentication in Telegram, but breaches happen all the time. Unlike before, when you used to sign in to your email account to send and receive messages, the primary way to do it now is to create an account on a chatmail relay. The resulting email address is a random string followed by the name of the relay you pick. This means you can start and begin adding contacts Without a username and password, you either need to ensure you have a backup or at least one device running your Delta Chat profile. The primary way to log in on another device is to go to the settings and add a second device. Then, you’ll just scan a QR code with your new device, and it’ll log in to your account and sync all your chat history and contacts. To end users, Delta Chat just looks like any instant messenger; however, it is really sending your messages as encrypted emails to your contact. This is pretty cool from a censorship perspective, as it makes the service more difficult to block. Previously, the main way to use the app was by logging in with email, but nowadays, it’s recommended that you use chatmail relays. Chatmail relays temporarily hold messages in case your device is offline. They are cheap, simple servers that don’t store data as group states. Other information, like your name and avatar, only exists on your device and the devices of those you share your contact information with. The relays are also decentralized and operated by various groups and individuals. It is even possible to set up your own chatmail relay, but most people will want to use one hosted elsewhere. To keep your messages secure, Delta Chat uses a secure subset of the OpenPGP standard that gives you automatic end-to-end encryption. It also uses Secure-Join to exchange encryption setup information through QR-code scanning or invite links. Autocrypt is also used to automatically establish end-to-end encryption between contacts and all members of group chat, but sometime this year Autocrypt v2 will be rolled out, bringing post-quantum resistant encryption and forward secrecy. The Delta Chat FAQ is an interesting read that explains many more details about the app. Credit: Pexels Delta Chat is unique among messaging apps because it is built on email, a technology that’s decades old and isn’t going anywhere soon. What’s more is that email is not centralized either, so it’s far more difficult for any authoritarian regime to disrupt the Delta Chat app. I haven’t spoken too much about features yet, so I will do that now. Delta Chat allows you to do one-on-one chats, group chats, and create channels. It also supports file sharing and making audio and video calls when chatting one-to-one, but it’s not available for group chats right now. At the time of writing, the calling functionality is disabled and can be enabled in Settings > Advanced > Debug Calls. I have used the video calling feature, and the quality is excellent. It works over WebRTC, another open standard. The app also lets you send voice notes, enables disappearing messages, and has its own app ecosystem. I did try playing chess one time there, but it was a bit spotty; though, we did manage to complete the game with a victory for me. To add people to Delta Chat, you can either give them your Delta Chat link or your QR code to scan. These are the only ways to add users, so you won't have any spam bots bothering you. If the people you want to chat with don't have the app yet, just send them your link, and it will take them to a webpage where they can install the app and then add you. It's really quick for them to install it and get started, which is nice. Credit: Microsoft. The Majorana 2 quantum chip unveiled in 2026. I do not think quantum computers are too far out now, and I do hope that Delta Chat is able to push out Autocrypt v2 sooner, rather than later, so bad actors do not attempt to collect encrypted communications and then decrypt them in the future using quantum computers. By getting people’s messages post-quantum-safe now, users won’t have to worry when quantum computers start cracking legacy encryption. Overall, I would recommend this app to people who are already past WhatsApp and Messenger and have perhaps begun using apps like Telegram or Session. It shares a lot of characteristics with these apps and goes a lot further than Telegram in terms of security. By being based on email, it is also resistant to censorship, and the lack of a username and password makes you anonymous (if you want to be) and safe from brute force password cracking attempts. Let me know in the comments if you’ve tried Delta Chat recently. Do you think it's a good bulwark against governments that are tightening their grip on the internet?
    • Putin was behind Farage/Brexit and behind Trump/MAGA. Different idiot lying beasts, same fascist master. Same screwed up results for both nations.
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