Hello Cindy, Thursday, April 26, 2007, 8:57:54 PM, you wrote:
CSSC> Nenad, CSSC> I've seen this solution offered before, but I would not recommend this CSSC> except as a last resort, unless you didn't care about the health of CSSC> the original pool. CSSC> Removing a device from an exported pool, could be very bad, depending CSSC> on the pool's redundancy. You might not get your all data back unless CSSC> you put the disk back. CSSC> See the output below. CSSC> Definitely not for a pool and data on a production system. CSSC> Cindy CSSC> # zpool status epool CSSC> pool: epool CSSC> state: ONLINE CSSC> scrub: none requested CSSC> config: CSSC> NAME STATE READ WRITE CKSUM CSSC> epool ONLINE 0 0 0 CSSC> mirror ONLINE 0 0 0 CSSC> c7t6d0 ONLINE 0 0 0 CSSC> c7t5d0 ONLINE 0 0 0 CSSC> c5t5d0 ONLINE 0 0 0 CSSC> c6t6d0 ONLINE 0 0 0 CSSC> c6t5d0 ONLINE 0 0 0 CSSC> c6t7d0 ONLINE 0 0 0 CSSC> errors: No known data errors CSSC> # cfgadm | grep c6t7d0 CSSC> sata4/7::dsk/c6t7d0 disk connected configured ok CSSC> # zpool export epool CSSC> # cfgadm -c unconfigure sata4/7 CSSC> Unconfigure the device at: CSSC> /devices/[EMAIL PROTECTED],0/pci1022,[EMAIL PROTECTED]/pci11ab,[EMAIL PROTECTED]:7 CSSC> This operation will suspend activity on the SATA device CSSC> Continue (yes/no)? y CSSC> # zpool import epool CSSC> # zpool status epool CSSC> pool: epool CSSC> state: DEGRADED CSSC> status: One or more devices could not be opened. Sufficient replicas CSSC> exist for CSSC> the pool to continue functioning in a degraded state. CSSC> action: Attach the missing device and online it using 'zpool online'. CSSC> see: http://www.sun.com/msg/ZFS-8000-D3 CSSC> scrub: resilver completed with 0 errors on Thu Apr 26 11:38:21 2007 CSSC> config: CSSC> NAME STATE READ WRITE CKSUM CSSC> epool DEGRADED 0 0 0 CSSC> mirror DEGRADED 0 0 0 CSSC> c7t6d0 ONLINE 0 0 0 CSSC> c7t5d0 ONLINE 0 0 0 CSSC> c5t5d0 ONLINE 0 0 0 CSSC> c6t6d0 ONLINE 0 0 0 CSSC> c6t5d0 ONLINE 0 0 0 CSSC> c6t7d0 UNAVAIL 0 0 0 cannot open CSSC> errors: No known data errors CSSC> # What's wrong with above? It's perfectly normal and in such a config it's definitely safe (there're still 5 copies of valid data). -- 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
