debf47779e
I was using a Sun ST2510 device (iSCSI) and a special "block device"
appeared which is used by SUN Common Array Manager in-band management.
However it also appeared as a block device and caused some IO error:
[ 716.868000] scsi 15:0:0:31: Direct-Access SUN Universal Xport 0735 PQ: 0 ANSI: 5
[ 716.868000] qla4xxx 0000:04:01.1: scsi(15:0:0:31): Enabled tagged queuing, queue depth 32.
[ 716.868000] sd 15:0:0:31: [sdf] 40960 512-byte hardware sectors (21 MB)
[ 716.868000] sd 15:0:0:31: [sdf] Write Protect is off
[ 716.868000] sd 15:0:0:31: [sdf] Mode Sense: 77 00 10 08
[ 716.868000] sd 15:0:0:31: [sdf] Write cache: disabled, read cache: enabled, supports DPO and FUA
[ 716.868000] sd 15:0:0:31: [sdf] 40960 512-byte hardware sectors (21 MB)
[ 716.868000] sd 15:0:0:31: [sdf] Write Protect is off
[ 716.868000] sd 15:0:0:31: [sdf] Mode Sense: 77 00 10 08
[ 716.872000] sd 15:0:0:31: [sdf] Write cache: disabled, read cache: enabled, supports DPO and FUA
[ 716.872000] sdf: unknown partition table
[ 716.932000] sd 15:0:0:31: [sdf] Attached SCSI disk
[ 716.932000] sd 15:0:0:31: Attached scsi generic sg6 type 0
[ 717.412000] end_request: I/O error, dev sdf, sector 40
[ 717.412000] Buffer I/O error on device sdf, logical block 5
[ 717.412000] Buffer I/O error on device sdf, logical block 6
[ 717.412000] Buffer I/O error on device sdf, logical block 7
[ 717.412000] Buffer I/O error on device sdf, logical block 8
[ 717.412000] Buffer I/O error on device sdf, logical block 9
[ 717.412000] Buffer I/O error on device sdf, logical block 10
[ 717.412000] Buffer I/O error on device sdf, logical block 11
[ 717.412000] Buffer I/O error on device sdf, logical block 12
[ 717.412000] Buffer I/O error on device sdf, logical block 13
[ 717.412000] Buffer I/O error on device sdf, logical block 14
After some googling it appeared that similar issue has been solved for
SGI/IBM devices in
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.. | ||
accessibility | ||
acpi | ||
amba | ||
ata | ||
atm | ||
auxdisplay | ||
base | ||
block | ||
bluetooth | ||
cdrom | ||
char | ||
clocksource | ||
connector | ||
cpufreq | ||
cpuidle | ||
crypto | ||
dca | ||
dio | ||
dma | ||
edac | ||
eisa | ||
firewire | ||
firmware | ||
gpio | ||
gpu | ||
hid | ||
hwmon | ||
i2c | ||
ide | ||
idle | ||
ieee1394 | ||
infiniband | ||
input | ||
isdn | ||
leds | ||
lguest | ||
macintosh | ||
mca | ||
md | ||
media | ||
memstick | ||
message | ||
mfd | ||
misc | ||
mmc | ||
mtd | ||
net | ||
nubus | ||
of | ||
oprofile | ||
parisc | ||
parport | ||
pci | ||
pcmcia | ||
platform | ||
pnp | ||
power | ||
ps3 | ||
rapidio | ||
regulator | ||
rtc | ||
s390 | ||
sbus | ||
scsi | ||
serial | ||
sh | ||
sn | ||
spi | ||
ssb | ||
staging | ||
tc | ||
telephony | ||
thermal | ||
uio | ||
usb | ||
uwb | ||
video | ||
virtio | ||
w1 | ||
watchdog | ||
xen | ||
zorro | ||
Kconfig | ||
Makefile |