> FreeBSD has switched around the terms “slice” and “partition”. They are using “slice" for fdisk/mbr case and “partition” for everything else. Thank you for sharing the fun fact!
Atiq On Thu, Aug 14, 2025 at 1:31 AM Toomas Soome via oi-dev < oi-...@openindiana.org> wrote: > > > On 14. Aug 2025, at 10:43, Atiq Rahman <ati...@gmail.com> wrote: > > Hi Joshua, > Thanks. > > I found that s0 mapped to ESP (boot EFI) partition on my system. I also > found that the newly created solaris partition mapped to s6. So, mostly > slice numbers seem to be 1 less than part# showed by `parted` that can be > found in the photo screenshot attached. > > > > > The “native” tools in illumos (and solaris) are format, prtvtoc, fmthard > and fdisk; they tell you disk partition/slices numbers as they actually can > be found in the system. > > fdisk/mbr partitions are named p1-p4 (as already written), with p0 > historically used to access all of the disk (so you can actually write down > the MBR record). > > format and prtvtoc/fmthard are using term “slice” for partitions; and > slices are numbered from 0. In case of GPT partitioning, the device name to > access all of the disk is the device name without trailing slice component. > The confusing part is, if the disk has no GPT table, then there is no > device name without slice component. > > When using other software, you need to pay attention to slice/partition > numbering (as you have discovered already). > > For time being, illumos does install EFI boot program on ESP as > efi/boot/bootx64.efi — if you want to share ESP between different OS, you > need to back up the existing efi/boot/bootx64.efi, put illumos version to, > say, efi/illumos/loader64.efi, restore the original and create respective > UEFI boot manager configuration. At this time, we can not create UEFI boot > manager config from inside the illumos, so we do rely on default. > > rgds, > toomas > ------------------------------------------ illumos: illumos-discuss Permalink: https://illumos.topicbox.com/groups/discuss/T74729cd92612e3e6-Mf6681cb570f1356dba09f5a8 Delivery options: https://illumos.topicbox.com/groups/discuss/subscription
