1.2TB 2.5" 10K - Need of Reformat From 520b to 512b - 1179
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- Опубліковано 4 жов 2024
- In this video I show how I reformat some IBM AIX 1.2TB 2.5" HDD that is formatted in 520bit. and make them 512bit... so they are more widely ready to be used.
I will recommend my own previous video on using the sg3_Utility :-) • How to Reformat Sector...
When You have - 𝐋𝐢𝐤𝐞𝐝 - this video, you have my permission to go and download the sg3_utils,, here : sg.danny.cz/sg... (files are prety far down the page)
And you will also need the "cygwin1.dll" file,, I got that form here : www.dll-files....
There is an 32bit and a 64bit,, I used the 64bit for the Microsoft Server 2022.
The commands I used..
𝙨𝙜_𝙨𝙘𝙖𝙣 -- for listing your drives and see what "PDx" you need to put in
𝒔𝒈_𝒇𝒐𝒓𝒎𝒂𝒕 --𝒇𝒐𝒓𝒎𝒂𝒕 --𝒔𝒊𝒛𝒆 512 𝑷𝑫𝒙 -- x is the number that your drive got,,like PD2 or PD1
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For 3$ a month, you get an extra weekly "What's UP" update video. Just for my Patrons. The Support I resave on patreon is all used on stuff to make interesting videos on UA-cam.
My PlayHouse is a channel where i will show, what i am working on. I have this house, it is 168 Square Meters / 1808.3ft² and it is full, of half-finished projects.
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Only change the music on April 1st. And only change it by just playing it in reverse.
uhh that would be nasty...
Do it! That would be fun 😆
5:12 True, it is technically called zone bit recording or constant linear velocity
Cool,, dang,, there is not a chances in hell I can remember that :-/
Thanks Morten! I bought a 10x lot of 600GB SAS drives identical model to these and they're formatted for EMC w/ 520b sectors .... I was trying to sell them on eBay but no bites...now I'll try this and maybe put them into my x3650 M4!!
Best of luck!! :-)
Never change the music I love it 👍
I was not planning to :-) I might want to add some once in a while..
You could try this next time to speed things up:
1 Download ubuntu desktop and put it on a usb stick.
2 Disconnect/remove all drives from the pc, except the drive you want to reformat, just to be on the safe side.
3 Boot the pc from the usb stick and select "try ubuntu"
4 Open a terminal prompt on ubuntu
5 Type lsblk to identify the harddrive and the usb stick, the size numbers should make it obvious which is which. Let's say /dev/sdb is your harddrive.
6 Do a sudo dd status=progress if=/dev/zero of=/dev/sdb count=10000
7 Once completed, pop the disk in your windows system and see if it manages to identify and format it.
The command writes zero's on the first 10000 bytes of the hard drive, meaning that windows doesn't get confused by previous raid or linux stuff. It only takes a minute or two. I believe sg_format deals with the entire drive, but erasing the first 10000 bytes should be plenty.
IT did take some time,, but it was really not that bad.
The extra 8 bits per sector is used as a checksum so the system knows if the data is as written. Hardware RAID uses it to know when a sector has gone bad.
Ahh okay...
Short stroke is a way of making use of the fastest portion of the mechanical drive to boost performance even more. Using the fastest portion of the platter. Something I will try out at some point. Less head movement across the plate makes logical sense that your drive will become much faster as a result.
Hi goldeneyeforevercom
Thank You very much! glad you liked the video :-)
Thank you for watching! :-)
Yes, HD Tune's data rate test starts at the outside of the platters and ends in the center. The speed of rotation remains the same, but on the outside the tracks are longer so more data is read per revolution.
Hi kna60
Thank You very much! glad you liked the video :-)
Thank you for watching! :-)
Very good, I'll comment like I know what you were on about👍
:-) as we all do!
I spent at least an hour reading up on SBR for concrete. And trying to find it locally,, it helped a lot when I found out that the Danish name is "beton binder" (Concrete Binder) I want to try this.
I would not expect you to ever need to reformat enterprises storages drives, to be used in a PC or Server :-)
I'm not sure if sg3_utils under Windows can so it, but on Linux you can use the -e option to "exit early" and then use sg_turs to monitor the format of the drive. This way you can format several drives at the same time from one shell instance.
Ahh that would be smart :-)
Never change the Music….
Also your theory on the drive slowing down is the wrong way round… on the inner edge it will be faster than the outer edge… but this is exactly what happens with spinning disks..
As a practical demonstration, you can use a tennis ball on a string, the longer the string the slower the spin, the shorter the string the faster the ball spins..
Okay,,, interesting,,is the inner or outer tracks the fastest :-/
@@MyPlayHouse Inner tracks are the fastest, as it has less distance to travel for the heads
@@sebastiantruswell5879 only in acces time. not in continous tranfer rate. the heads have shorter ways at the inner tracks, but on the outer tracks more bits come around in the same time.
@@MyPlayHouse I would guess that the outer perimeter would have faster data access.
For example, when the head reads closer to the inner section, the read circumference is shorter than reading near the outer edge which is much larger given the speed / rpm of the HDD stays relatively stable.
A good example of this is with DVD/CD technology where it reads inner to outer (HDD is opposite). If you read / rip a cd, you will notice the transfer speed incrementally increase as it reaches the outer perimeter.
Therefore, as a HDD writes towards the inner from outer perimeter, there is more surface area / bit sectors comprising the outer and less on the inner per the stable rpm of the platter.
5:12 yes outside is fastest, outside track is longer and thus it has more speed at the same motor rpm than center track, this applies only if you do sequential/continuous read/write, that's what hdtune does. SSD should have flat line yet sometimes you can see dropout when writing after while, not gradual like HDD but sudden. This drop is seen regularly on lower cost drives when internal cache is filled (DRAM cache or SLC NAND mode cache for even lower cost DRAM-less SSDs) then you start to write to NAND directly and write with NAND memory can be pretty slow (for example in QLC mode).
Yes the disk moves faster on the outside, than on the inside,, but it does take the same time to do one turn. So do the disk put more data on each spin outside than inside :-?
@@MyPlayHouse Yes, you can look at it also this way - you have same amount of time but outer track is longer thus you see more data in the same time period - more data per revolution = more bits in the same time = faster speed.
Fixed hard drive platter speed. Constant Angular Velocity. This provides a varying linear velocity. Thus providing more surface area at outer tracks than the inner tracks. With the same platter magnetic particles, a higher data rate can thus be written and read on the outer tracks than can be achieved on the inner tracks without the risk of losing data from trying to fit too much data versus particle size.
forever and ever could be a very long time...
like the 900gb raid5 (3disks) that i cloned with dd_rescue onto a new raid5 last sunday (2 days ago) in an x3650m2 with an M5014 controller. it took 11 hours.
Interesting,, if it is just because you want more spaces,, maybe upgrading one disk at the time,, and extend partition at the end.
@@MyPlayHouse Not possible because the existing raid 5 was still degraded (both hotspares were used and defect). So i don't want to risk all and start a raid 5 rebuilt. Just copy (clone) from the old raid to a new one, followed by an expansion of the linux LVM-Volume (old Citrix Xen). The servers are pretty old (running 24/7 since 2010) and also the HDDs (perhaps 100000 hours runtime). So it was time to replace them all. The servers will be replaced in 1 or 2 years with a complete new system (new hardware, new hypervisor, new database, new software).
Who's this scruffy looking mad man
That is called a mirror :-)
It may take a whole week to re-write the blocks on a hard drive. If it is a used drive, it might fail during this long, continuous, stress inducing and arduous process.
Luckily I do not remembering it taking that long..
You can format a stack of drives much faster if you do more than one at a time.
Yeah, I batch a heap at a time when I was buying 3TB drives cheap as heck due to 520b turdiness.
Hi eDoc2020
Thank You very much! glad you liked the video :-)
Thank you for watching! :-)
Now I Know Thanks
Now you know again,, third time I do this :-)
@@MyPlayHouse You can never know enough
9:50 the dangers of the command line :)
Join the dark side,, what can possibly go wrong :-/
Idd like to see a video about how to clone an OS to a new drive ..I cant figure it out
I did something like that in this video,,, : ua-cam.com/video/Aa4kFMa2oDg/v-deo.html
In linux sg_format --format --size=512 /dev/sgx where x is drive #
Thank You,, I did it on Linux many years ago : ua-cam.com/video/BbtPPH3W7nU/v-deo.html
why don't you do more disk's at the same time.
I did not know how..
@@MyPlayHouse just open sg util again and do other disk?
First
Ah ah ah, subito dopo Marco!! Hi Morten!
Noop
Nahh "Ole Morten Njærheim" beat you to it :-) but you are still Awesome :-)
HI Stefano
5:14 it's true
Hi Mister_Magister
Thank You very much! glad you liked the video :-)
Thank you for watching! :-)
: )
Hi Ole Morten Njærheim
Thank You very much! glad you liked the video :-)
Thank you for watching! :-)