USB disk HaikuOS formatted not recognized by Linux/Windows

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1

Hallo,

after some months I came back to HaikuOS, installing last nightly on a Acer Aspire One.
All is almost OK, and of course very very fast :slight_smile:
Iā€™m having a problem with an external usb disk I have chosen for backups.
With Haiku drive setup Iā€™ve created 3 partitions, 2 with BeFS and one with NTFS.
Iā€™ve made copies on the first BeFS partition and all seemed ok.
This morning I connected the disk to my pc in the office, and trying with Linux and Windows the usb disk appeared without any partition.
I had to use Linux fdisk to re-format usb disk, again 2 BeFS and one NTFS, this time with no problem at all.
This evening Iā€™ll see if Haiku has no problem to use this external disk.

Have you ever had such a problem ?
Thanks in advance

2

Which partitionning system did you use? Sometimes such things can happen if your disk has an old GPT header at the end and it is not erased by creating a new MBR (which uses only the start of the disk).

3

Yesterday I simply connected disk via usb and launched ā€œDrive Setupā€.
Then I made 3 partitions and mounted all.
I was able to use all of them, writing about 20 Gb on first BeFS partition and 10 Gb on NTFS partition.
Then this morning I connected usb disk to my work PC (Win7), and the disk appeared like a ā€˜never touchedā€™ one.
I decided to re-format it using an Ubuntu PC via fdisk.
Iā€™ve to wait to come back home to test this drive on my HaikuOS netbook, just to use it like a data backup drive.

4

I does not made a USB with partitons, but coukd be a problem then the ntfs partoiton is not first? Windows can not read bfs by default, so this could be the a solution?

5

I decided to use partitions because is a 1TB disk (I just chose not to use all this space only for Haiku :wink:).
I know that Windows cannot read bfs. What Iā€™ve found strange is that also Linux was unable to see partitions created with Haiku Drive Setup.
But, as I wrote before, I must wait this evening to test if Haiku is now able to ā€˜seeā€™ partitions created with Linux fdisk.
Of course Iā€™ll let you know.

p.s. Btw, apart from this ā€˜strangeā€™ behavior, itā€™s incredible how fast is HaikuOS on such a poor and old hardware (Acer Aspire One). Iā€™ve also last Fedora on it but it seems too slow and consumes too much resources (without talking about Windows 10 ā€¦).

6

Thats my expierience installing haiku:

http://besly.de/menu/search/archiv/sys/haiku_installation_eng.html

I use always a linux file system, because Windows can be change the partiton number if i start it before i covert the filesystem to bfs.

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7

Very well done, thank you !

8

In that case, you did not explicitly create a partition map from Haiku - just partitions inside an existing partition map. So, I donā€™t know what was on your disk before, but itā€™s quite possible that you had both GPT and MBR, and Haiku decided to update the GPT, while other OS kept using the MBR, or vice versa.

Starting from a fresh and clean partition table (as you did by re-partitioning on Linux) should solve the issue, then.

1 Like
9

Yes, I think so.
Iā€™ll be 100% sure in a few hours, Iā€™ll let you know.
Thank you so much!