What process do you guys go through to add new fiber chanel tape drives under Solaris? my standard process is as follows: /> cfgadm -al -o show_FCP_dev ...gets a view of devices attached to FC controllers, and verify they all show up similar to the following: c4::10000000c954e9de,2 tape connected configured unknown but sometimes things show up like: c4::10000000c954ea4c,0 tape connected unconfigured unknown ..in which case, I'll run: /> cfgadm -c configure c# <- where # is the relevant controller (HBA port) then hopefully, everything will come up configured....if it doesn't, powercycle the device, verify it logs into the fabric, then repeat the above. once everything above is complete, I will run... /usr/openv/volmgr/bin/sg.build all -mt 15 -ml 6 <- which allows up to 6 luns (tape drives) on each controller...typically there's only one, LUN0 per tape drive I'll verify the proper strings are in the /kernel/drv/st.conf, then reboot with the reconfigure option. after rebooting: /> /usr/bin/rm -f /kernel/drv/sg.conf /> /usr/openv/volmgr/bin/driver/sg.install then devfsadm, or reboot -- -r again. then sgscan, and config the drive in NBU. that seems to be the standard process, that *should* work, and does probably 50% of the time....the other 50% of the time, if it doesn't work the first try, then I can spend hours upon hours upon hours, trying to get everything working. sometimes, all the devices show up as "configured" when I do a cfgadm -al -o show_FCP_dev, then when I configure the drivers, and reboot, they're "unconfigured" again, or worse, configured but "failing/unusable". then there's the times when everthing show up as configured, and usable, , the driver rebuild is fine, but devfsadm, or a reboot -- -r only creates device files for half the drives......it's absolutely infuriating. Any advice for easy, reliable, repeatable, stress free device configuration?????? Paul
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