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1 vote

What are the advantages and disadvantages of using an L2ARC and a ZIL cache on a RAID 1 or RAIDZ ZFS SSD?

The advantage of zil and l2arc is that you make them SSDs that are faster than your main spinning rust disk. If your main disk is already an SSD, then l2arc and zil will gain you nothing. If they are ...
  • 2,889
0 votes
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Clean Installation with manual partitioning

When you are in the manual partitioning section of the installer there is a checkmark "wipe" or "format " in options for creating or assigning a /home partition The other option is ...
  • 59
1 vote

I installed Ubuntu on ZFS, How to move to ext4 without a reinstall

Let's look at the logical chain: "Move from zfs to ext4" means changing your filesystem format. Changing your filesystem format means that partition must be reformatted. No shortcut. No way ...
  • 51.5k
0 votes

SSD min-io/physical sector size issue

@versoljc, do you know how you got this physical 512 Bytes sectors on this drive ? I discover I have the same issue as you on a CT1000MX500 that currently shows a raw partition. So I want to clone it ...
  • 1,664
2 votes
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How to change the location of a swapfile?

You can create a new swap file anywhere you like. Then update /etc/fstab and add there the new path, also remove the old one. Then you can reboot and delete the old swap file. It can be done without ...
  • 85.7k
1 vote

Is a USB stick required to complete a UEFI install of Ubuntu 20.04 or can it be accomplished with two SSD disks instead?

Update: today I was able to just use SSD disks and dd if=/....iso of=/dev/sda conv=sync to generate the boot disk. This was from a different computer than the one that was giving me trouble. I used ...
3 votes

How I can recover my windows data after almost installing ubuntu by mistake in the same drive

It is unlikely to get restoration of data on a SSD. Don't use the disk anymore for booting purpose as it may totally remove all your old data. Use another drive that would act as your replica for ...
  • 287k
2 votes

How I can recover my windows data after almost installing ubuntu by mistake in the same drive

Now that the partitions have been written, the data is erased. The only way to recover it would be to use a data recovery software or service, although it may be difficult or potentially expensive to ...

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