 | | | system down - can 't find luns (correction) | system down - can 't find luns (correction) 2005-05-23 - By Rigler, Stephen C.
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Do you see your luns when you cat /proc/scsi/scsi? Also, how are you
presenting the luns to the problem box and are you using SANSurfer?
-Steve
On Mon, 2005-05-23 at 09:00 -0500, Dana Holland wrote:
> Correction to my original post - this is an AS 2.1 box, not AS 30.
>
> And a sudo mount -a returns:
>
> # sudo mount -a
> mount: special device LABEL=/dev/sdb1 does not exist
> mount: special device LABEL=/dev/sdc1 does not exist
>
>
> Dana Holland wrote:
> > One of my redhat boxes (AS 3.0) uses storage on an IBM FastT box. The
> > HBA is a qla2300. The FastT flaked out on us Friday - it has since been
> > rebooted and the other servers connected to it are working fine.
> >
> > One server still doesn't see the filesystem located on the SAN. When I
> > reboot, it tells me that /dev/sdb1 can't be found. The only way I can
> > get the box up is to go into /etc/fstab and comment out the two file
> > systems that live on the SAN.
> >
> > When I do a modprobe -r qla2300 and then a modprobe -v qla2300, doing a
> > cat of /proc/scsi/qla2300/1 and /proc/scsi/qla2300/2 looks fine - or at
> > least I think it does, I'm still very new to the SAN world. Here are
> > the results of the cat command:
> >
> > /proc/scsi/qla2300/1:
> >
> > QLogic PCI to Fibre Channel Host Adapter for QLA2340 :
> > Firmware version: 3.03.06, Driver version 7.03.00-fo
> > Entry address = f887d060
> > HBA: QLA2312 , Serial# S25876
> > Request Queue = 0x362a0000, Response Queue = 0x36290000
> > Request Queue count= 512, Response Queue count= 512
> > Total number of active commands = 0
> > Total number of interrupts = 28
> > Total number of IOCBs (used/max) = (0/600)
> > Total number of queued commands = 0
> > Device queue depth = 0x20
> > Number of free request entries = 483
> > Number of mailbox timeouts = 0
> > Number of ISP aborts = 0
> > Number of loop resyncs = 0
> > Number of retries for empty slots = 0
> > Number of reqs in pending_q= 0, retry_q= 0, done_q= 0, scsi_retry_q= 0
> > Number of reqs in failover_q= 0
> > Host adapter:loop state= <READY>, flags= 0x860833
> > Dpc flags = 0x40
> > MBX flags = 0x0
> > SRB Free Count = 4096
> > Link down Timeout = 030
> > Port down retry = 030
> > Login retry count = 030
> > Commands retried with dropped frame(s) = 0
> > Configured characteristic impedence: 50 ohms
> > Configured data rate: 1-2 Gb/sec auto-negotiate
> >
> >
> > SCSI Device Information:
> > scsi-qla0-adapter-node=200000e08b1b54dc;
> > scsi-qla0-adapter-port=210000e08b1b54dc;
> > scsi-qla0-target-0=200500a0b8110d15;
> >
> > FC Port Information:
> > scsi-qla0-port-0=200400a0b8110d14:200500a0b8110d15;
> >
> > SCSI LUN Information:
> > (Id:Lun) * - indicates lun is not registered with the OS.
> > ( 0: 0): Total reqs 14, Pending reqs 0, flags 0x0, 0:0:81,
> > ( 0: 1): Total reqs 14, Pending reqs 0, flags 0x0, 0:0:81,
> >
> > /proc/scsi/qla2300/2:
> >
> > QLogic PCI to Fibre Channel Host Adapter for QLA2340 :
> > Firmware version: 3.03.06, Driver version 7.03.00-fo
> > Entry address = f887d060
> > HBA: QLA2312 , Serial# S04875
> > Request Queue = 0x36150000, Response Queue = 0x36140000
> > Request Queue count= 512, Response Queue count= 512
> > Total number of active commands = 0
> > Total number of interrupts = 0
> > Total number of IOCBs (used/max) = (0/600)
> > Total number of queued commands = 0
> > Device queue depth = 0x20
> > Number of free request entries = 511
> > Number of mailbox timeouts = 0
> > Number of ISP aborts = 0
> > Number of loop resyncs = 0
> > Number of retries for empty slots = 0
> > Number of reqs in pending_q= 0, retry_q= 0, done_q= 0, scsi_retry_q= 0
> > Number of reqs in failover_q= 0
> > Host adapter:loop state= <READY>, flags= 0x860833
> > Dpc flags = 0x40
> > MBX flags = 0x0
> > SRB Free Count = 4096
> > Link down Timeout = 030
> > Port down retry = 030
> > Login retry count = 030
> > Commands retried with dropped frame(s) = 0
> > Configured characteristic impedence: 50 ohms
> > Configured data rate: 1-2 Gb/sec auto-negotiate
> >
> >
> > SCSI Device Information:
> > scsi-qla1-adapter-node=200000e08b1b4b8a;
> > scsi-qla1-adapter-port=210000e08b1b4b8a;
> >
> > FC Port Information:
> > scsi-qla1-port-0=200400a0b8110d14:200400a0b8110d15;
> >
> > SCSI LUN Information:
> > (Id:Lun) * - indicates lun is not registered with the OS.
> >
> > This box had never been rebooted since it was initially set up on the
> > SAN (about 90 days) ago. I'm wondering if there was some type of setup
> > that I needed to do in the init files to make it recognize the SAN each
> > time I reboot. Like I said, we've had no prior experience with SANs, so
> > this is a very new world to us.
> >
> >
>
>
>
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