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 <rerc...@acm.jhu.edu> 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 <o...@mscott.org> 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 <msc...@mscott.org> 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 > >>> <bfrie...@simple.dallas.tx.us> 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 > >>>> bfrie...@simple.dallas.tx.us, > >>>> http://www.simplesystems.org/users/bfriesen/ > >>>> GraphicsMagick Maintainer, http://www.GraphicsMagick.org/ > >>>> > >>>> _______________________________________________ > >>>> OpenIndiana-discuss mailing list > >>>> OpenIndiana-discuss@openindiana.org > >>>> http://openindiana.org/mailman/listinfo/openindiana-discuss > >>> > >> > >> _______________________________________________ > >> OpenIndiana-discuss mailing list > >> OpenIndiana-discuss@openindiana.org > >> http://openindiana.org/mailman/listinfo/openindiana-discuss > > > > _______________________________________________ > > OpenIndiana-discuss mailing list > > OpenIndiana-discuss@openindiana.org > > 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 > OpenIndiana-discuss@openindiana.org > http://openindiana.org/mailman/listinfo/openindiana-discuss -- Vennlige hilsener / Best regards roy -- Roy Sigurd Karlsbakk (+47) 98013356 r...@karlsbakk.net 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 OpenIndiana-discuss@openindiana.org http://openindiana.org/mailman/listinfo/openindiana-discuss