It would be a manual process. As with any arbitrary name, it's a useful tag, not much more.
James C. McPherson wrote: > Gregory Shaw wrote: > >> Hi. I'd like to request a feature be added to zfs. Currently, on >> SAN attached disk, zpool shows up with a big WWN for the disk. If >> ZFS (or the zpool command, in particular) had a text field for >> arbitrary information, it would be possible to add something that >> would indicate what LUN on what array the disk in question might be. >> This would make troubleshooting and general understanding of the >> actual storage layout much simpler, as you'd know something about any >> disks that are encountering problems. >> >> Something like: >> >> zpool status >> pool: local >> state: ONLINE >> scrub: scrub completed with 0 errors on Sun Sep 23 04:16:33 2007 >> config: >> >> NAME STATE READ WRITE CKSUM NOTE >> local ONLINE 0 0 0 >> raidz1 ONLINE 0 0 0 >> c2t0d0 ONLINE 0 0 0 Internal SATA on >> left side >> c2t2d0 ONLINE 0 0 0 Internal SATA on >> right side >> c2t3d0 ONLINE 0 0 0 External SATA disk 1 >> in box on top >> c2t4d0 ONLINE 0 0 0 External SATA disk 2 >> in box on top >> spares >> c2t5d0 AVAIL External SATA disk 3 >> in box on top >> >> errors: No known data errors >> >> >> The above would be very useful should a disk fail to identify what >> device is what. >> > > How would you gather that information? > How would you ensure that it stayed accurate in > a hotplug world? > > > > James C. McPherson > -- > Senior Kernel Software Engineer, Solaris > Sun Microsystems > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss > _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss