[CentOS] Best practice preparing for disk restoring system

Wed Nov 18 02:35:25 UTC 2020
H <agents at meddatainc.com>

On November 17, 2020 4:07:52 PM EST, "Felix Kölzow" <felix.koelzow at gmx.de> wrote:
>Maybe "rear" is an appropriate solution for you?
>
>https://relax-and-recover.org/
>
>On 17/11/2020 18:23, Chris Schanzle via CentOS wrote:
>> I would include LVM and mdadm info as well, since I use those
>features.  I encourage you to look at what long-lived tools, such as
>clonezilla, write into their archive directories.  It's impressive.
>>
>> If you zero out all free space on all of your HDD partitions (dd
>bs=1M if=/dev/zero of=/path/deleteme; rm /path/deleteme) or use
>'fstrim' for SSD's, you could use dd to image with fast & light
>compression (lzop or my current favorite, pzstd) and get maximum
>benefit of a bit-by-bit archival copy.
>>
>>
>> On 11/16/20 11:02 PM, H wrote:
>>> Short of backing up entire disks using dd, I'd like to collect all
>required information to make sure I can restore partitions, disk
>information, UUIDs and anything else required in the event of losing a
>disk.
>>>
>>> So far I am collecting information from:
>>> - fdisk -l
>>> - blkid
>>> - lsblk
>>> - grub2-efi.cfg
>>> - grub
>>> - fstab
>>>
>>> Hoping that this would supply me with /all/ information to restore a
>system - with the exception of installed operating system, apps and
>data.
>>>
>>> I would appreciate any and all thoughts on the above!
>>> _______________________________________________
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Thank you, that tool is new to me but looks very interesting!