Hello Richard, Friday, October 5, 2007, 6:41:10 PM, you wrote:
RE> Robert Milkowski wrote: >> Hello Richard, >> >> Friday, September 28, 2007, 7:45:47 PM, you wrote: >> >> RE> Kris Kasner wrote: >> >>>>> 2. Back to Solaris Volume Manager (SVM), I guess. It's too bad too, >>>>> because I >>>>> don't like it with 2 SATA disks either. There isn't enough drives to put >>>>> the >>>>> State Database Replicas so that if either drive failed, the system would >>>>> reboot unattended. Unless there is a trick? >>>>> >>>> There is a trick for this, not sure how long it's been around. >>>> Add to /etc/system: >>>> *Allow the system to boot if one of two rootdisks is missing >>>> set md:mirrored_root_flag=1 >>>> >> >> RE> Before you do this, please read the fine manual: >> RE> >> http://docs.sun.com/app/docs/doc/819-2724/chapter2-161?l=en&a=view&q=mirrored_root_flag >> >> The description on docs.sun.com is somewhat misleading. >> >> http://cvs.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/uts/common/io/lvm/md/md_mddb.c#5659 >> 5659 if (mirrored_root_flag == 1 && setno == 0 && >> 5660 svm_bootpath[0] != 0) { >> 5661 md_clr_setstatus(setno, MD_SET_STALE); >> >> Looks like it has to be diskset=0 bootpath has to reside on svm device >> and mirrored_root_flag has to be set to 1. >> >> So if you got other disks (>2) in a system just put them in a separate >> disk group. >> >> >> >> RE> If we have more than 2 disks, then we have space for a 3rd metadb copy. RE> -- richard well, depends - if it's external jbod I prefer to put all disks from that jbod into separate diskset - that way it's easier to move that jbod or re-install host. -- Best regards, Robert mailto:[EMAIL PROTECTED] http://milek.blogspot.com _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
