that's strange indeed - I've never seen two SATA drives with the same WWN. May Samsung have doen something 'smart' here to stop people from using 'cheap' drives for serious stuff?
roy ----- Opprinnelig melding ----- > Sure. > > Here's the only one that can be seen in the expander: > > $ smartctl -d sat,12 -i /dev/rdsk/c7t5002538043584D30d0s0 > smartctl 5.42 2011-10-20 r3458 [i386-pc-solaris2.11] (local build) > Copyright (C) 2002-11 by Bruce Allen, > http://smartmontools.sourceforge.net > > === START OF INFORMATION SECTION === > Device Model: SAMSUNG SSD 830 Series > Serial Number: S0Z3NEAC876961 > LU WWN Device Id: 5 002538 043584d30 > Firmware Version: CXM03B1Q > User Capacity: 128,035,676,160 bytes [128 GB] > Sector Size: 512 bytes logical/physical > Device is: Not in smartctl database [for details use: -P showall] > ATA Version is: 8 > ATA Standard is: ACS-2 revision 2 > Local Time is: Wed Oct 17 10:58:36 2012 MDT > SMART support is: Available - device has SMART capability. > SMART support is: Enabled > > > And these are the two that are connected to the mobo's built-in SATA > ports: > > $ smartctl -d sat,12 -i /dev/rdsk/c4t0d0s0 > smartctl 5.42 2011-10-20 r3458 [i386-pc-solaris2.11] (local build) > Copyright (C) 2002-11 by Bruce Allen, > http://smartmontools.sourceforge.net > > === START OF INFORMATION SECTION === > Device Model: SAMSUNG SSD 830 Series > Serial Number: S0Z3NEAC876658 > LU WWN Device Id: 5 002538 043584d30 > Firmware Version: CXM03B1Q > User Capacity: 128,035,676,160 bytes [128 GB] > Sector Size: 512 bytes logical/physical > Device is: Not in smartctl database [for details use: -P showall] > ATA Version is: 8 > ATA Standard is: ACS-2 revision 2 > Local Time is: Wed Oct 17 11:01:56 2012 MDT > SMART support is: Available - device has SMART capability. > SMART support is: Enabled > > $ smartctl -d sat,12 -i /dev/rdsk/c4t1d0s0 > smartctl 5.42 2011-10-20 r3458 [i386-pc-solaris2.11] (local build) > Copyright (C) 2002-11 by Bruce Allen, > http://smartmontools.sourceforge.net > > === START OF INFORMATION SECTION === > Device Model: SAMSUNG SSD 830 Series > Serial Number: S0Z3NEAC876031 > LU WWN Device Id: 5 002538 043584d30 > Firmware Version: CXM03B1Q > User Capacity: 128,035,676,160 bytes [128 GB] > Sector Size: 512 bytes logical/physical > Device is: Not in smartctl database [for details use: -P showall] > ATA Version is: 8 > ATA Standard is: ACS-2 revision 2 > Local Time is: Wed Oct 17 11:02:25 2012 MDT > SMART support is: Available - device has SMART capability. > SMART support is: Enabled > > > I called Samsung and they basically told me there was nothing they > could do. The guy I spoke with said the 830s weren't intended to be > used in servers. (He did seem to understand what I was talking about, > which was actually more than I expected from simply picking up the > phone and getting transferred twice to get to the right department. So > at least kudos to Samsung there.) > > He did suggest that maybe the new 840 Pros might work, and he was > going to check to see if they report unique WWNs or not. Since those > don't appear to be shipping yet, I don't have any way of finding out > myself, but if anybody is interested, I can pass along what Samsung > says when (if) they get back to me on the 840 Pro. > > Thanks again! > > -Scott > > On Oct 17, 2012, at 10:57 AM, Roy Sigurd Karlsbakk <[email protected]> > wrote: > > > make that smartctl -i … > > > > you may have to add -d sat to that > > > > roy > > > > ----- Opprinnelig melding ----- > >> it'd be interesting to see what WWN smartctl -l would report from > >> these. I've worked with SATA SSDs in similar setups, but never seen > >> them reported with the same WWN > >> > >> roy > >> > >> ----- Opprinnelig melding ----- > >>> Ah, I see now. Yes, all the drives report the same LU WWN Device > >>> Id > >>> in > >>> smartctl, and I see the same constant WWN reported online (for > >>> example, > >>> http://blog.gmane.org/gmane.linux.utilities.smartmontools.database/page=7). > >>> I'll see what Samsung has to say. > >>> > >>> Thanks! This at least gives me more to work from. > >>> > >>> -Scott > >>> > >>> > >>> On Oct 17, 2012, at 10:13 AM, Rich <[email protected]> wrote: > >>> > >>>> SATA devices are not required to provide a WWN - I would guess > >>>> that > >>>> they're providing the same WWN, and as a result, your SAS devices > >>>> are > >>>> becoming sad. > >>>> > >>>> If you could tell the expander(s) to ignore that and assign one, > >>>> that'd be neat. If there's a firmware update to fix it, even > >>>> better. > >>>> If you want to shell out for SAS -> SATA interposers, that would > >>>> probably also solve it, though I can't swear to anything, but > >>>> that'd > >>>> probably be more expensive than returning + replacing the SSDs. > >>>> > >>>> Don't know. If it were me, I'd complain to Samsung support and > >>>> see > >>>> what you got back. > >>>> > >>>> - Rich > >>>> > >>>> On Wed, Oct 17, 2012 at 11:13 AM, Scott Marcy <[email protected]> > >>>> wrote: > >>>>> Well, I enabled multipath support with 'stmsboot -e -D mpt' and > >>>>> rebooted and now it seems I have two paths to what is no doubt > >>>>> two > >>>>> physical devices: > >>>>> > >>>>> $ mpathadm list LU > >>>>> /dev/rdsk/c7t5002538043584D30d0s2 > >>>>> Total Path Count: 2 <-- Unlikely that this is > >>>>> correct > >>>>> Operational Path Count: 2 > >>>>> /dev/rdsk/c7t5000C5005168B2F0d0s2 > >>>>> Total Path Count: 1 > >>>>> Operational Path Count: 1 > >>>>> /dev/rdsk/c7t5000C5005169A612d0s2 > >>>>> Total Path Count: 1 > >>>>> Operational Path Count: 1 > >>>>> /dev/rdsk/c7t5000C500517042D9d0s2 > >>>>> Total Path Count: 1 > >>>>> Operational Path Count: 1 > >>>>> /dev/rdsk/c7t5000C5005169CC6Ad0s2 > >>>>> Total Path Count: 1 > >>>>> Operational Path Count: 1 > >>>>> /dev/rdsk/c7t5000C500515199BDd0s2 > >>>>> Total Path Count: 1 > >>>>> Operational Path Count: 1 > >>>>> /dev/rdsk/c7t5000C500513A0EFEd0s2 > >>>>> Total Path Count: 1 > >>>>> Operational Path Count: 1 > >>>>> > >>>>> $ mpathadm show LU /dev/rdsk/c7t5002538043584D30d0s2 > >>>>> Logical Unit: /dev/rdsk/c7t5002538043584D30d0s2 > >>>>> mpath-support: libmpscsi_vhci.so > >>>>> Vendor: ATA > >>>>> Product: SAMSUNG SSD 830 > >>>>> Revision: 3B1Q > >>>>> Name Type: unknown type > >>>>> Name: 5002538043584d30 > >>>>> Asymmetric: no > >>>>> Current Load Balance: none > >>>>> Logical Unit Group ID: NA > >>>>> Auto Failback: on > >>>>> Auto Probing: NA > >>>>> > >>>>> Paths: > >>>>> Initiator Port Name: w500605b0054819b0 > >>>>> Target Port Name: w5002538043584d30 > >>>>> Override Path: NA > >>>>> Path State: OK > >>>>> Disabled: no > >>>>> > >>>>> Initiator Port Name: w500605b0054819b0 > >>>>> Target Port Name: w5002538043584d30 > >>>>> Override Path: NA > >>>>> Path State: OK > >>>>> Disabled: no > >>>>> > >>>>> Target Ports: > >>>>> Name: w5002538043584d30 > >>>>> Relative ID: 0 > >>>>> > >>>>> And cfgadm still only shows one SSD on each expander, when I > >>>>> actually have two on each expander. > >>>>> > >>>>> $ cfgadm -al > >>>>> Ap_Id Type Receptacle Occupant Condition > >>>>> c6 scsi-sas connected configured unknown > >>>>> c6::es/ses0 ESI connected configured unknown > >>>>> c6::smp/expd0 smp connected configured unknown > >>>>> c6::w5002538043584d30,0 disk-path connected configured unknown > >>>>> c6::w5000c500513a0efe,0 disk-path connected configured unknown > >>>>> c6::w5000c5005168b2f0,0 disk-path connected configured unknown > >>>>> c6::w5000c5005169a612,0 disk-path connected configured unknown > >>>>> c6::w5000c5005169cc6a,0 disk-path connected configured unknown > >>>>> c6::w5000c500515199bd,0 disk-path connected configured unknown > >>>>> c6::w5000c500517042d9,0 disk-path connected configured unknown > >>>>> c8 scsi-sas connected configured unknown > >>>>> c8::es/ses1 ESI connected configured unknown > >>>>> c8::smp/expd1 smp connected configured unknown > >>>>> c8::w5002538043584d30,0 disk-path connected configured unknown > >>>>> c9 scsi-sas connected unconfigured unknown > >>>>> > >>>>> I also wonder if there might be an issue with duplicate > >>>>> initiator-port names: > >>>>> > >>>>> $ mpathadm list initiator-port > >>>>> Initiator Port: w500605b0054819b0 > >>>>> Initiator Port: > >>>>> iqn.1986-03.com.sun:01:bb4db0fbffff.507ec650,4000002a00ff > >>>>> Initiator Port: w500605b0054819b0 > >>>>> > >>>>> Although I'm definitely venturing outside my knowledge base > >>>>> here--maybe this is expected and correct. (I assume each > >>>>> initiator-port represents an expander, but both expanders are > >>>>> connected to the one HBA, one to each SFF-8087 port. Also, I do > >>>>> have comstar running, which I expect explains the iSCSI > >>>>> initiator > >>>>> in this list.) > >>>>> > >>>>> -Scott > >>>>> > >>>>> On Oct 17, 2012, at 8:37 AM, Scott Marcy <[email protected]> > >>>>> wrote: > >>>>> > >>>>>> No, multipath support is disabled. I will try enabling it with > >>>>>> stmsboot. > >>>>>> > >>>>>> Thanks. > >>>>>> > >>>>>> -Scott > >>>>>> > >>>>>> On Oct 17, 2012, at 8:15 AM, Bob Friesenhahn > >>>>>> <[email protected]> wrote: > >>>>>> > >>>>>>> On Wed, 17 Oct 2012, Scott Marcy wrote: > >>>>>>>> > >>>>>>>> Note that both c6 and c8 have the exact same name for these > >>>>>>>> drives. I *CAN* access the two drives separately, but why on > >>>>>>>> earth am I getting these duplicates? This means I can only > >>>>>>>> reliably access one Samsung SSD per expander. > >>>>>>> > >>>>>>> Do you have multipath support enabled on this system? I assume > >>>>>>> that the default for OpenIndiana x86 is still that multipath > >>>>>>> support is disabled by default. > >>>>>>> > >>>>>>> Bob > >>>>>>> -- > >>>>>>> Bob Friesenhahn > >>>>>>> [email protected], > >>>>>>> http://www.simplesystems.org/users/bfriesen/ > >>>>>>> GraphicsMagick Maintainer, http://www.GraphicsMagick.org/ > >>>>>>> > >>>>>>> _______________________________________________ > >>>>>>> OpenIndiana-discuss mailing list > >>>>>>> [email protected] > >>>>>>> http://openindiana.org/mailman/listinfo/openindiana-discuss > >>>>>> > >>>>> > >>>>> _______________________________________________ > >>>>> OpenIndiana-discuss mailing list > >>>>> [email protected] > >>>>> http://openindiana.org/mailman/listinfo/openindiana-discuss > >>>> > >>>> _______________________________________________ > >>>> OpenIndiana-discuss mailing list > >>>> [email protected] > >>>> http://openindiana.org/mailman/listinfo/openindiana-discuss > >>> > >>> -- > >>> “It is in the admission of ignorance and the admission of > >>> uncertainty > >>> that there is a hope for the continuous motion of human beings in > >>> some > >>> direction that doesn't get confined, permanently blocked, as it > >>> has > >>> so > >>> many times before in various periods in the history of man.” > >>> - Richard P. Feynman > >>> > >>> > >>> _______________________________________________ > >>> OpenIndiana-discuss mailing list > >>> [email protected] > >>> http://openindiana.org/mailman/listinfo/openindiana-discuss > >> > >> -- > >> Vennlige hilsener / Best regards > >> > >> roy > >> -- > >> Roy Sigurd Karlsbakk > >> (+47) 98013356 > >> [email protected] > >> http://blogg.karlsbakk.net/ > >> GPG Public key: http://karlsbakk.net/roysigurdkarlsbakk.pubkey.txt > >> -- > >> I all pedagogikk er det essensielt at pensum presenteres > >> intelligibelt. Det er et elementært imperativ for alle pedagoger å > >> unngå eksessiv anvendelse av idiomer med xenotyp etymologi. I de > >> fleste tilfeller eksisterer adekvate og relevante synonymer på > >> norsk. > >> > >> _______________________________________________ > >> OpenIndiana-discuss mailing list > >> [email protected] > >> http://openindiana.org/mailman/listinfo/openindiana-discuss > > > > -- > > Vennlige hilsener / Best regards > > > > roy > > -- > > Roy Sigurd Karlsbakk > > (+47) 98013356 > > [email protected] > > http://blogg.karlsbakk.net/ > > GPG Public key: http://karlsbakk.net/roysigurdkarlsbakk.pubkey.txt > > -- > > I all pedagogikk er det essensielt at pensum presenteres > > intelligibelt. Det er et elementært imperativ for alle pedagoger å > > unngå eksessiv anvendelse av idiomer med xenotyp etymologi. I de > > fleste tilfeller eksisterer adekvate og relevante synonymer på > > norsk. > > > > _______________________________________________ > > OpenIndiana-discuss mailing list > > [email protected] > > http://openindiana.org/mailman/listinfo/openindiana-discuss > > _______________________________________________ > OpenIndiana-discuss mailing list > [email protected] > http://openindiana.org/mailman/listinfo/openindiana-discuss -- Vennlige hilsener / Best regards roy -- Roy Sigurd Karlsbakk (+47) 98013356 [email protected] http://blogg.karlsbakk.net/ GPG Public key: http://karlsbakk.net/roysigurdkarlsbakk.pubkey.txt -- I all pedagogikk er det essensielt at pensum presenteres intelligibelt. Det er et elementært imperativ for alle pedagoger å unngå eksessiv anvendelse av idiomer med xenotyp etymologi. I de fleste tilfeller eksisterer adekvate og relevante synonymer på norsk. _______________________________________________ OpenIndiana-discuss mailing list [email protected] http://openindiana.org/mailman/listinfo/openindiana-discuss
