Linked by Eugenia Loli-Queru on Fri 6th Apr 2007 05:52 UTC, submitted by binarycrusader
Pawel Dawidek announced today that the ZFS filesystem is now part of the FreeBSD operating system. iSCSI, booting, ICLs, and extended attributes are not supported yet.
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RE: ZFS: Why is it so hard to boot from?
by zdzichu on Fri 6th Apr 2007 07:48
in reply to "ZFS: Why is it so hard to boot from?"
Member since:2006-11-07
Support for reading it must be done in bootloader (GRUB for Solaris x86). So one have reimplement part of filesystem, in pretty hostile environment (bootloader is simple compared with fullblown OS with memory management and stuff). Also volume management part of ZFS makes it harder -- you can't just read some sectors of hard drive, you have to recreate stripes, mirrors, raids first.
But it's doable. Solaris people were working on it ( http://opensolaris.org/os/project/zfsboot/ ) and it's now possible to boot Solaris from ZFS on x86 ( http://www.opensolaris.org/os/community/on/flag-days/pages/20070328... ).
Member since:
2006-09-20
I know Sun has been working on making ZFS bootable for 2 years, and I'm sure Apple has been interested in this for some time as well. What makes ZFS so much more difficult to boot from than other filesystems?