Re: [zfs-discuss] ZFS, Oracle and Nexenta

2011-05-24 Thread Hung-ShengTsao (Lao Tsao) Ph.D.
yes IMHO, oracle and nexenta are target different customer On 5/24/2011 3:30 PM, Hans Rattink wrote: IMHO, oracle would prefer customer go with ZFS appliance with added WebGUI and all the extra support like Analytics, L2ARc and ZIL with SSD etc Last week i've seen mirrored ZIL upon ZEUS SSD i

Re: [zfs-discuss] ZFS, Oracle and Nexenta

2011-05-24 Thread Hung-ShengTsao (Lao Tsao) Ph.D.
IMHO, oracle would prefer customer go with ZFS appliance with added WebGUI and all the extra support like Analytics, L2ARc and ZIL with SSD etc On 5/24/2011 2:30 PM, Hans Rattink wrote: Hi Erik and Kebabber, Thanks for your answers. Do i summarize it right saying: the best conclusion would

Re: [zfs-discuss] ndmp?

2011-05-24 Thread Hung-ShengTsao (Lao Tsao) Ph.D.
On 5/24/2011 9:37 AM, Edward Ned Harvey wrote: When I search around, I see that nexenta has ndmp, and solaris 10 does not, and there was at least some talk about supporting ndmp in opensolaris ... So ... Is ndmp present in solaris 11 express? Is it an installable 3rd party package? How

Re: [zfs-discuss] Mapping sas address to physical disk in enclosure

2011-05-19 Thread Hung-ShengTsao (Lao Tsao) Ph.D.
IIRC there are tool/SW from lsi like MegaRaid SW that may display some info not sure you can use Common Array Manager On 5/19/2011 11:20 AM, Eric D. Mudama wrote: On Thu, May 19 at 9:55, Evaldas Auryla wrote: Hi, we have SunFire X4140 connected to Dell MD1220 SAS enclosure, single path, MP

Re: [zfs-discuss] Mapping sas address to physical disk in enclosure

2011-05-19 Thread Hung-ShengTsao (Lao Tsao) Ph.D.
what is output echo |format On 5/19/2011 3:55 AM, Evaldas Auryla wrote: Hi, we have SunFire X4140 connected to Dell MD1220 SAS enclosure, single path, MPxIO disabled, via LSI SAS9200-8e HBA. Disks are visible with sas-addresses such as this in "zpool status" output: NAME

Re: [zfs-discuss] Reboots when importing old rpool

2011-05-17 Thread Hung-ShengTsao (Lao Tsao) Ph.D.
may be do zpool import -R /a rpool On 5/17/2011 1:56 PM, Orvar Korvar wrote: I have a fresh install of Solaris 11 Express on a new SSD. I have inserted the old hard disk, and tried to import it, with: # zpool import -f Old_rpool but the computer reboots. Why is that? On my old hard disk, I h

Re: [zfs-discuss] Performance problem suggestions?

2011-05-10 Thread Hung-ShengTsao (Lao Tsao) Ph.D.
it is my understanding for write (fast) consider faster HDD (SSD) for ZIL for read consider faster HDD(SSD) for L2ARC There were many discussion for V12N env raid1 is better than raidz On 5/10/2011 3:31 PM, Don wrote: I've been going through my iostat, zilstat, and other outputs all to no avail.