03-15-2016
It's fiber card to fiber card and I'm zoning a single FILEIO device, which itself is sitting on a RAID 6 / XFS storage ( 6 disk ). I tried disabling dynamic tracking, no luck. It tried to change the cable, no luck. I'll read about the other options you mentioned as well. There's only one LUN involved and I'm able to write to it fine until some large data is being written but failure is 100% in each case.
The target system is SCST (Apologies I thought I mentioned but as I read above, I haven't yet.). Funny thing is that on restart of that SCST subsystem, I can get a LUN back following a failure. (Maybe memory leak.) I might try LIO / targetcli next if the above doesn't work.
Cheers,
DH
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LEARN ABOUT OPENSOLARIS
sdcard
sdcard(7D) Devices sdcard(7D)
NAME
sdcard - SD/MMC memory card driver
DESCRIPTION
The sdcard memory card driver supports MultiMediaCard (MMC), Secure Digital (SD), and Secure Digital High Capacity (SDHC) memory cards. It
uses the blk2scsa(7D) service to present these cards to the system as SCSI disks on a virtual SCSI bus, creating a child device to be ser-
viced with sd(7D). Each card appears as its own SCSI LUN. Cards are hot-pluggable and removable.
DEVICE SPECIAL FILES
Disk block special file names are located in /dev/dsk. Raw file names are located in /dev/rdsk. See sd(7D).
IOCTLS
See dkio(7I)
ERRORS
See sd(7D) and blk2scsa(7D). Additionally, sdcard may issue the following warnings, which indicate a failure to identify the card as a sup-
ported type:
"Unknown SD CSD version (%d)"
"Unknown MMC CSD version (%d)"
"Unknown MMCA version (%d)"
"Card type unknown"
FILES
Device special files for the storage device are created in the same way as those for a SCSI disk. See sd(7D) for more information.
/dev/dsk/cntndnsn Block files for disks.
/dev/rdsk/cntndnsn Raw files for disks.
/kernel/drv/sdcard 32-bit ELF kernel module (x86).
/kernel/misc/amd64/sdcard 64-bit ELF kernel module (x86).
/kernel/drv/sparcv9/sdcard 64-bit ELF kernel module (SPARC).
ATTRIBUTES
See attributes(5) for a description of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Architecture |SPARC, x86 |
+-----------------------------+-----------------------------+
|Availability |SUNWsdcard |
+-----------------------------+-----------------------------+
SEE ALSO
rmformat(1), rmmount(1), cfgadm_scsi(1M), cfgadm_sdcard(1M), fdisk(1M), mount(1M), umount(1M), scsi(4), vfstab(4), attributes(5),
blk2scsa(7D), sd(7D), sda(7D), dkio(7I), pcfs(7FS)
System Administration Guide, Volume I
System Administration Guide: Basic Administration
DIAGNOSTICS
See sd(7D).
SunOS 5.11 28 Feb 2008 sdcard(7D)