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Author Topic: Formatting a 512GB microSD Card to ext4  (Read 134 times)

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Offline AndyInMokum

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Formatting a 512GB microSD Card to ext4
« on: April 12, 2018, 09:56:46 pm »
Hi all, how's it going?   I'm throwing this one out to you guys because I have no experience with formatting microSD Cards.  I've either stuck one in my smartphone, or one of the Raspberry Pi's I have.  That's my total experience with them. 

The other week,  I picked up from Wish a Verbatim Premium 512GB microSD Card.  I couldn't resist the 7 deal on the thing  :o.  My idea is to format the card to ext4 and add it to my Dell Latitude D430's fstab as an extra /DATA partition.   I've already customized the Baby Dell to use a 240GB eSATA SSD, instead of the default 1.8 inch hard drive.  A bit more customization would be cool; plus I thought it would be a nice way of adding some bonus storage space to the laptop.  Unfortunately, fstab hates FAT32.  It plain refuses to mount the drive as FAT32.  In fact  the computer won't boot.  I tried formatting the card to the desirable ext4 using GParted.  I received a warning and the thing wouldn't automount in Nemo  It kicked up a bunch of errors, I stupidly didn't copy onto paper - doh  :-X!  I've reformatted it back to FAT32 and there are no errors ans it's working fine. 

I've read that maybe formatting it to ext4 with the journalling switched off may work.  I don't like that idea much.  It sounds totally counterintuitive to me.  I don't want to try formatting the card to ext4 again without fully knowing what I'm doing.  There's too much of a chance the thing will become corrupted and end up in the rubbish bin.  I really want to be able to say, that was 7 well spent  ;D.   Any help with formatting this card correctly to ext4, is much appreciated  ;).
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Offline alynur

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Re: Formatting a 512GB microSD Card to ext4
« Reply #1 on: April 12, 2018, 10:17:09 pm »
Hi AndyinMokum, although I haven't tried to format a microsd card, I remember reading about them once upon a time. Check out this link,
https://www.sdcard.org/downloads/formatter_4/

Good luck!  :)

Offline murraymint

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Re: Formatting a 512GB microSD Card to ext4
« Reply #2 on: April 13, 2018, 12:16:58 am »
Are you sure that capacity of card is supported? It must be a pretty new thing.

Offline PCNetSpec

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Re: Formatting a 512GB microSD Card to ext4
« Reply #3 on: April 13, 2018, 11:37:49 am »
Half terabyte microSD :o

Though they do exist .. but for 7 euros ??? .. they're more like 250, so either you got the deal of the century or a fake.

What is listed by:
Code: [Select]
dmesg | tail -n 40
immediately after plugging it in ?



Even if it's real, something tells me it won't be formatted FAT32 as I'm pretty sure FAT32 doesn't support volumes of that size .. possibly exFAT ?

let's say it is recognised and given a device node or say /dev/sdc1

Maybe try
Code: [Select]
sudo apt-get install exfat-fuse exfat-utils
then
Code: [Select]
sudo mkdir /media/exfat
then
Code: [Select]
sudo mount -t exfat /dev/sdc1 /media/exfat
then see if it got mounted at /media/exfat or if mount threw an error ?



I'd also suspect the D430's SD port simply doesn't support SDXC (too new of a standard) .. Though you could probably get a USB card reader that supports SDXC and works in Linux .. but I wouldn't want to transfer 512GB of data over the D430's USB2.0, would you ?
(though I suppose you could always go on holiday whilst waiting)
« Last Edit: April 13, 2018, 11:55:53 am by PCNetSpec »
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Offline AndyInMokum

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Re: Formatting a 512GB microSD Card to ext4
« Reply #4 on: April 13, 2018, 06:16:36 pm »
My money is on it being fake.  The capacity is genuine though  ;).  I'm just being tight and trying to save my 7 :)).  Here is the requested output:
Spoiler (click here to view / hide)
andy@Baby-Dell-D430 ~ $ dmesg | tail -n 40
[ 1004.937072] wlp12s0: send auth to d0:60:8c:25:f3:37 (try 1/3)
[ 1004.937575] wlp12s0: authenticated
[ 1004.940109] wlp12s0: associate with d0:60:8c:25:f3:37 (try 1/3)
[ 1004.940974] wlp12s0: RX AssocResp from d0:60:8c:25:f3:37 (capab=0x1011 status=0 aid=5)
[ 1004.942157] wlp12s0: associated
[ 1007.556075] [UFW BLOCK] IN=wlp12s0 OUT= MAC=00:1c:bf:37:3a:27:00:02:9b:d0:ca:f7:08:00 SRC=192.168.2.1 DST=192.168.2.223 LEN=477 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=39685 DPT=45410 LEN=457
[ 1007.648615] [UFW BLOCK] IN=wlp12s0 OUT= MAC=00:1c:bf:37:3a:27:9c:ad:97:43:39:18:08:00 SRC=192.168.2.110 DST=192.168.2.223 LEN=443 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=41238 DPT=45410 LEN=423
[ 1008.557312] [UFW BLOCK] IN=wlp12s0 OUT= MAC=00:1c:bf:37:3a:27:00:02:9b:d0:ca:f7:08:00 SRC=192.168.2.1 DST=192.168.2.223 LEN=477 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=34068 DPT=45410 LEN=457
[ 1026.984440] perf: interrupt took too long (3186 > 3178), lowering kernel.perf_event_max_sample_rate to 62750
[ 1050.811959] [UFW BLOCK] IN=wlp12s0 OUT= MAC=01:00:5e:00:00:01:d0:60:8c:25:f3:36:08:00 SRC=192.168.2.254 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2
[ 1129.718143] [UFW BLOCK] IN=wlp12s0 OUT= MAC=00:1c:bf:37:3a:27:00:02:9b:d0:ca:f7:08:00 SRC=192.168.2.1 DST=192.168.2.223 LEN=477 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=49492 DPT=50705 LEN=457
[ 1130.288206] [UFW BLOCK] IN=wlp12s0 OUT= MAC=00:1c:bf:37:3a:27:9c:ad:97:43:39:18:08:00 SRC=192.168.2.110 DST=192.168.2.223 LEN=443 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=41238 DPT=50705 LEN=423
[ 1130.719382] [UFW BLOCK] IN=wlp12s0 OUT= MAC=00:1c:bf:37:3a:27:00:02:9b:d0:ca:f7:08:00 SRC=192.168.2.1 DST=192.168.2.223 LEN=477 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=58436 DPT=50705 LEN=457
[ 1131.165987] [UFW BLOCK] IN=wlp12s0 OUT= MAC=00:1c:bf:37:3a:27:9c:ad:97:43:39:18:08:00 SRC=192.168.2.110 DST=192.168.2.223 LEN=443 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=41238 DPT=50705 LEN=423
[ 1131.720443] [UFW BLOCK] IN=wlp12s0 OUT= MAC=00:1c:bf:37:3a:27:00:02:9b:d0:ca:f7:08:00 SRC=192.168.2.1 DST=192.168.2.223 LEN=477 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=50901 DPT=50705 LEN=457
[ 1137.300600] perf: interrupt took too long (4017 > 3982), lowering kernel.perf_event_max_sample_rate to 49750
[ 1139.117811] [UFW BLOCK] IN=wlp12s0 OUT= MAC=01:00:5e:00:00:fb:2c:f0:a2:95:6c:47:08:00 SRC=192.168.2.5 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=24661 PROTO=2
[ 1175.887296] [UFW BLOCK] IN=wlp12s0 OUT= MAC=01:00:5e:00:00:01:d0:60:8c:25:f3:36:08:00 SRC=192.168.2.254 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2
[ 1249.718558] [UFW BLOCK] IN=wlp12s0 OUT= MAC=00:1c:bf:37:3a:27:00:02:9b:d0:ca:f7:08:00 SRC=192.168.2.1 DST=192.168.2.223 LEN=477 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=49744 DPT=46713 LEN=457
[ 1249.729272] [UFW BLOCK] IN=wlp12s0 OUT= MAC=00:1c:bf:37:3a:27:9c:ad:97:43:39:18:08:00 SRC=192.168.2.110 DST=192.168.2.223 LEN=443 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=41238 DPT=46713 LEN=423
[ 1250.719427] [UFW BLOCK] IN=wlp12s0 OUT= MAC=00:1c:bf:37:3a:27:00:02:9b:d0:ca:f7:08:00 SRC=192.168.2.1 DST=192.168.2.223 LEN=477 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=46708 DPT=46713 LEN=457
[ 1251.368988] [UFW BLOCK] IN=wlp12s0 OUT= MAC=00:1c:bf:37:3a:27:9c:ad:97:43:39:18:08:00 SRC=192.168.2.110 DST=192.168.2.223 LEN=443 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=41238 DPT=46713 LEN=423
[ 1300.821155] [UFW BLOCK] IN=wlp12s0 OUT= MAC=01:00:5e:00:00:01:d0:60:8c:25:f3:36:08:00 SRC=192.168.2.254 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2
[ 1304.079796] perf: interrupt took too long (5063 > 5021), lowering kernel.perf_event_max_sample_rate to 39500
[ 1321.276520] mmc0: card 21cb removed
[ 1344.333412] mmc0: new high speed SDXC card at address 21cb
[ 1344.334039] mmcblk0: mmc0:21cb APPSD 500 GiB
[ 1344.338869]  mmcblk0: p1
[ 1344.568451] mmcblk0: error -84 transferring data, sector 1048575488, nr 112, cmd response 0x900, card status 0xb00
[ 1369.718814] [UFW BLOCK] IN=wlp12s0 OUT= MAC=00:1c:bf:37:3a:27:00:02:9b:d0:ca:f7:08:00 SRC=192.168.2.1 DST=192.168.2.223 LEN=477 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=60942 DPT=45678 LEN=457
[ 1370.130760] [UFW BLOCK] IN=wlp12s0 OUT= MAC=00:1c:bf:37:3a:27:9c:ad:97:43:39:18:08:00 SRC=192.168.2.110 DST=192.168.2.223 LEN=443 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=41238 DPT=45678 LEN=423
[ 1370.719811] [UFW BLOCK] IN=wlp12s0 OUT= MAC=00:1c:bf:37:3a:27:00:02:9b:d0:ca:f7:08:00 SRC=192.168.2.1 DST=192.168.2.223 LEN=477 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=57330 DPT=45678 LEN=457
[ 1371.104127] [UFW BLOCK] IN=wlp12s0 OUT= MAC=00:1c:bf:37:3a:27:9c:ad:97:43:39:18:08:00 SRC=192.168.2.110 DST=192.168.2.223 LEN=443 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=41238 DPT=45678 LEN=423
[ 1371.728937] [UFW BLOCK] IN=wlp12s0 OUT= MAC=00:1c:bf:37:3a:27:00:02:9b:d0:ca:f7:08:00 SRC=192.168.2.1 DST=192.168.2.223 LEN=477 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=55042 DPT=45678 LEN=457
[ 1425.857620] [UFW BLOCK] IN=wlp12s0 OUT= MAC=01:00:5e:00:00:01:d0:60:8c:25:f3:36:08:00 SRC=192.168.2.254 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2
[ 1489.719593] [UFW BLOCK] IN=wlp12s0 OUT= MAC=00:1c:bf:37:3a:27:00:02:9b:d0:ca:f7:08:00 SRC=192.168.2.1 DST=192.168.2.223 LEN=477 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=45020 DPT=57652 LEN=457
[ 1489.862449] [UFW BLOCK] IN=wlp12s0 OUT= MAC=00:1c:bf:37:3a:27:9c:ad:97:43:39:18:08:00 SRC=192.168.2.110 DST=192.168.2.223 LEN=443 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=41238 DPT=57652 LEN=423
[ 1490.720532] [UFW BLOCK] IN=wlp12s0 OUT= MAC=00:1c:bf:37:3a:27:00:02:9b:d0:ca:f7:08:00 SRC=192.168.2.1 DST=192.168.2.223 LEN=477 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=57581 DPT=57652 LEN=457
[ 1491.079380] [UFW BLOCK] IN=wlp12s0 OUT= MAC=00:1c:bf:37:3a:27:9c:ad:97:43:39:18:08:00 SRC=192.168.2.110 DST=192.168.2.223 LEN=443 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=41238 DPT=57652 LEN=423
[ 1491.721456] [UFW BLOCK] IN=wlp12s0 OUT= MAC=00:1c:bf:37:3a:27:00:02:9b:d0:ca:f7:08:00 SRC=192.168.2.1 DST=192.168.2.223 LEN=477 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=41878 DPT=57652 LEN=457
andy@Baby-Dell-D430 ~ $
[close]
« Last Edit: April 13, 2018, 06:28:38 pm by AndyInMokum »
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Offline AndyInMokum

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Re: Formatting a 512GB microSD Card to ext4
« Reply #5 on: April 13, 2018, 06:27:56 pm »
I already had the latest versions of: exfat-fuse and exfat-utils installed.  This is the output from fdisk -l:
Code: [Select]
Disk /dev/sda: 238,5 GiB, 256060514304 bytes, 500118192 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x8a95336b

Device     Boot     Start       End   Sectors   Size Id Type
/dev/sda1  *         2048  62916110  62914063    30G 83 Linux
/dev/sda2        62916608 477048831 414132224 197,5G 83 Linux
/dev/sda3       477048832 485437439   8388608     4G 82 Linux swap / Solaris


Disk /dev/mmcblk0: 500 GiB, 536870912000 bytes, 1048576000 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x322a48b8

Device         Boot Start        End    Sectors  Size Id Type
/dev/mmcblk0p1       2048 1048575999 1048573952  500G  b W95 FAT32
and blkid:
Code: [Select]
andy@Baby-Dell-D430 ~ $ sudo blkid
/dev/sda1: UUID="046f6cc2-1fef-40fd-a331-566caa18e446" TYPE="ext4" PARTUUID="8a95336b-01"
/dev/sda2: LABEL="/DATA" UUID="d66de699-d73c-49fa-b1d3-093151855120" TYPE="ext4" PARTUUID="8a95336b-02"
/dev/sda3: UUID="bdd92931-6fb6-43b5-99f3-49682bef44c3" TYPE="swap" PARTUUID="8a95336b-03"
/dev/mmcblk0: PTUUID="322a48b8" PTTYPE="dos"
/dev/mmcblk0p1: LABEL="500GB" UUID="B5BA-F1FE" TYPE="vfat" PARTUUID="322a48b8-01"
andy@Baby-Dell-D430 ~ $
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Offline PCNetSpec

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Re: Formatting a 512GB microSD Card to ext4
« Reply #6 on: April 13, 2018, 08:14:55 pm »
So does running
Code: [Select]
sudo mkdir /media/vfat
then
Code: [Select]
sudo mount -t vfat /dev/mmcblk0p1 /media/vfat
result in an error, or it being mounted at /media/vfat ?
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Offline AndyInMokum

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Re: Formatting a 512GB microSD Card to ext4
« Reply #7 on: April 13, 2018, 09:51:36 pm »
So does running
Code: [Select]
sudo mkdir /media/vfat
then
Code: [Select]
sudo mount -t vfat /dev/mmcblk0p1 /media/vfat
result in an error, or it being mounted at /media/vfat ?

No errors, it's mounted at: /media/vfat.
Code: [Select]
andy@Baby-Dell-D430 ~ $ cd /media/vfat/
andy@Baby-Dell-D430 /media/vfat $ ls -a
.  ..  Movies  .Trash-1000
andy@Baby-Dell-D430 /media/vfat $
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Re: Formatting a 512GB microSD Card to ext4
« Reply #8 on: April 14, 2018, 07:13:35 am »
Cool, so is there still a problem now Andy ?

Is this just about automounting, and/or formatting as EXT4 ?

[EDIT]

Oops, sorry Andy I obviously missed the bit in your original post that said it was working :-[ .. so is the problem that you're just struggling to get it automounted via fstab ?
« Last Edit: April 14, 2018, 07:19:13 am by PCNetSpec »
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Offline AndyInMokum

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Re: Formatting a 512GB microSD Card to ext4
« Reply #9 on: April 14, 2018, 08:32:04 am »
Cool, so is there still a problem now Andy ?

Is this just about automounting, and/or formatting as EXT4 ?

[EDIT]

Oops, sorry Andy I obviously missed the bit in your original post that said it was working :-[ .. so is the problem that you're just struggling to get it/dev/mmcblk0p1 automounted via fstab ?

The problem is formatting the thing to ext4.  I've only tried formatting it with GParted.  That created the errors.  Why, is the mystery  :-\?
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Re: Formatting a 512GB microSD Card to ext4
« Reply #10 on: April 14, 2018, 12:18:54 pm »
Maybe try formatting it manually from the CLI
Code: [Select]
sudo umount /dev/mmcblk0p1
then
Code: [Select]
sudo fdisk /dev/mmcblk0p1
then to switch to a gpt partition table (we'll switch back in a sec)
Code: [Select]
g
then to write it to disk
Code: [Select]
w
okay you should be back at a normal $ prompt.

eject the sdcard .. then reinsert it.

run:
Code: [Select]
sudo umount /dev/mmcblk0p1
then
Code: [Select]
sudo fdisk /dev/mmcblk0p1
then to switch to a dos partition table:
Code: [Select]
o
then to write the changes
Code: [Select]
w
okay you should be back at a normal $ prompt.

eject the sdcard .. then reinsert it.

run:
Code: [Select]
sudo umount /dev/mmcblk0p1
then
Code: [Select]
sudo fdisk /dev/mmcblk0p1
then to delete any partition (if it exists)
Code: [Select]
d
then to write a new partition
Code: [Select]
n
at this point it'll ask for a partition type, hit
Code: [Select]
p
at this point it'll ask for a partition number, hit
Code: [Select]
1
at this point it'll ask you for the beginning sector .. just hit enter to accept the default

at this point it'll ask you for the ending sector .. just hit enter to accept the default

then change the partition type to Linux with
Code: [Select]
t
then
Code: [Select]
83
now write the changes to disk with
Code: [Select]
w
okay you should be back at a normal $ prompt.

Now to format the new partition and give it the label "DATA" run .. first let's ensure it's not mounted again:
Code: [Select]
sudo umount /dev/mmcblk0p1
then
Code: [Select]
sudo mkfs.ext4 /dev/mmcblk0p1 -L DATA
and wait till if finishes.

If at this point you want to disable journaling on its shiney new EXT4 file system (to minimise writes), run:
Code: [Select]
sudo tune2fs -O ^has_journal /dev/mmcblk0p1
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Offline AndyInMokum

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Re: Formatting a 512GB microSD Card to ext4
« Reply #11 on: April 14, 2018, 08:34:32 pm »
Thanks mate, I'll give it a go in the morning.  Fingers crossed, it'll work.  The card is only going to be used as a secondary /DATA storage partition.  Would you disable journaling?
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Re: Formatting a 512GB microSD Card to ext4
« Reply #12 on: April 14, 2018, 08:59:07 pm »
probably not if it's just storage.
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