Jerry Gilliam <jg at jurassic.sfbay.sun.com> wrote:
> ramdisk
>
> The ramdisk is a boot archive containing either kernel modules or an install
> miniroot. This boot archive is the same boot archive as is used on Solaris
> x86.
> Its FS format is private to itself. i.e., neither the booter nor the kernel
> needs to know whether the archive is HSFS or UFS (or ZFS for that matter).
> The
> ramdisk will extract the kernel image from the boot archive and execute it.
>
> In order to minimize the size of the ramdisk, in particular the
> install miniroot, which must reside in memory, the contents of the
> miniroot will be compressed. This compression is on a per file level
> and is implemented within the filesystem. In order to create
> compressed files a userland utility is used that simply compresses the
> file in place, the file is then marked as compressed via the
> _FIO_COMPRESSED (private) ioctl in the filesystem metadata.
Do you like to implement the zisofs extension for Rock Ridge or does this
apply to ZFS only?
> 5.4 Coexistence with other OSes
>
> The only other OS of note for SPARC is Linux, and they currently have no grub
> plans. SPARC / Linux boots from a loader called SILO, which already has a
> grub-like menu facility.
I have no idea about SILO on harddisks, on CDs/DVDs, it is imcompatible to the
Sun boot.
J?rg
--
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