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318 questions with no upvoted or accepted answers
4 votes
1 answer
1k views

Disk configuration on Ubuntu server for rook-ceph in kubernetes cluster

I recently set up my Kubernetes cluster with three worker and one master node, as storage service I'm using rook-ceph. As I know the rook pods require a raw disk in order to run the osd-pods. Last ...
XH_P's user avatar
  • 41
4 votes
1 answer
703 views

Rebuilding FakeRAID RAID 5 with new disk, no partitions show up, invalid PMBR

I have a RAID 5 array with 4 2TB disks on a HP Z800. One disk failed and was swapped out for a new one. I went into BIOS Intel Storage Matrix Utility and set the Array to rebuild with the new disk. ...
Bitdivision's user avatar
3 votes
1 answer
475 views

Accidentally partitioned & formatted my boot partition

While reformatting several portable disks with gparted, with disk 5 I made a terrible mistake: I forgot to choose the correct disk, so gparted took the first listed one, which fortunately was not my 1 ...
Thomas Reerink's user avatar
3 votes
0 answers
2k views

USB drive ejects itself while formatting

I have a 32GB Toshiba USB drive. Recently I tried writing an image of chrome OS to it with balenaEtcher. It failed. Since then my drive has been unreadable on both windows 10 and Ubuntu. I have ...
Stel Dare's user avatar
3 votes
3 answers
8k views

External hard disk showing unknown, not initialised in Disk Management

I removed my 1 tb external hard disk (Seagate) directly from a windows system and now it is not working anymore. I'm trying to fix it via ubuntu now, and when I try to check it in Disks (gnome utility)...
Sachin's user avatar
  • 31
3 votes
0 answers
752 views

Cannot shrink ntfs partition with GParted - couldn't update MFT error

I'm shrinking my data partition (>550 GB) to open up some space for installing Ubuntu (along side my existing Windows 7). However, I received this message: ERROR(30): Couldn't update MFT own ...
Heisenberg's user avatar
3 votes
1 answer
2k views

Recover data from USB which doesnt appear to have a partition

Possible duplicate but all other example seems to have output for sudo fdisk -l /dev/sdx. Upon inserting the USB the following appears in dmesg· Ubuntu doesn't acknowledge the device in terms of ...
Horba's user avatar
  • 131
3 votes
1 answer
2k views

Partman automatic partition within preseed file

Can anyone explain to me what the numbers 512 512 512 mean? string dom0-domU :: 512 512 512 ext3 $primary{ } $bootable{ } method{ format } format{ } use_filesystem{ } filesystem{ ext3 } ...
ageis23's user avatar
  • 671
2 votes
0 answers
659 views

Methods to make a backup of the sytem boot disk, UBUNTU 20.04

I have a system disk that is on my system on a 2TB drive that is a VD as part of a RAID. The other 5 drives are setup as a RAID5. See the screenshot below. The system is probably never going to get ...
SScotti's user avatar
  • 121
2 votes
0 answers
114 views

Should I remove swap file before shrinking partition? (Ubuntu)

I have a laptop which dual boots Windows 10 and Ubuntu 20.04. I have realized that I gave the Windows partition too little space when I installed Ubuntu so I want to shrink the Ubuntu partition (p4) ...
glaux's user avatar
  • 123
2 votes
0 answers
37 views

Error: no such partition - when starting up my laptop

When I start my laptop (dual boot, Windows 10 and Ubuntu 20), I am getting a black screen that says "Error: no such partition. Press any key to continue". When I press the key, I am directed ...
Lazarus Rising's user avatar
2 votes
0 answers
8k views

Cannot boot ubuntu after installing windows 10

Solved: In the BIOS settings, there was an option to "enable EFI file as safe" or something. It was greyed out so I set a BIOS admin password to unlock it. I then clicked it, selected HD0 -> grubx....
mbards's user avatar
  • 21
2 votes
1 answer
1k views

Ubuntu live USB not shown as bootable device in bios

I'd like to make a bootable Ubuntu USB with a writable partition for storing backups and data. I want the USB to be bootable for mobility, i.e. I'd be able to boot it on another arbitrary machine, ...
stuart balfour's user avatar
2 votes
0 answers
95 views

How to resolve error: no such partition after removing Ubuntu on a triple boot system?

My system consists of Ubuntu, Elementary OS, and Windows 10. After removing the Ubuntu partition in Windows, I restarted the system and got the error: Error: no such partition. Entering rescue mode... ...
Snow's user avatar
  • 229
2 votes
0 answers
9k views

How to reinstall Windows 10 (dual boot) without losing Ubuntu?

My system came installed with Windows 10. Since I wanted to mainly run Ubuntu, I used Gparted to partition my drive and in the process lost my Windows installation but since I didn't lose any data (it ...
LRei's user avatar
  • 41

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