Re: FreeBSD, Illumos ZFS, and OpenZFS
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Date: Thu, 22 Feb 2024 21:16:01 UTC
On 2/18/24 22:39, Dewayne Geraghty wrote: > PS ufs2 is well supported and both gmirror and geli are reliable > friends. ;) Thank you for the reply. :-) Today, I was preparing a disk and (re-)discovered that geli(8) can do data integrity verification: init Initialize providers which need to be encrypted. ... -a aalgo Enable data integrity verification (authentication) using the given algorithm. So (?): * geli(8) for data integrity verification. * gmirror(8) for data integrity repair via data redundancy. * gstripe(8) for capacity (RAID10). newfs(8): * Defaults to UFS2. Are there any good reasons for choosing UFS1 today? * I see three related options -- journaling (-J), soft updates (-U), and soft updates journaling (-j). * Is -j alone equal to -J and -U together? * It appears -j is incompatible with mount(8) live snapshots (?). * Is -J compatible with mount(8) live snapshots? * Is -U compatible with mount(8) live snapshots? * Other feature interactions I should consider? I own a stack of Lucas books, notably the following: https://mwl.io/nonfiction/os#fmse Are there other resources I should read? Comments or suggestions? David