we have two Rac cluster in our environment. we have asked our storage team to provide luns for adding space to our rac. Right now in one our server luns are visible but not in another. But if i see dmesg in servers i can see disk attached but not able to see them. even iostat showing disks as well, multipath -ll not showing those disk. all online rescan has been done and multipath.conf blacklist has been removed.
env- redhat 5.5 - 2.6.18-371.9.1.el5PAE
lsscsi output -
Code:
[3:0:2:27] disk IBM 2107900 1.32 -
[3:0:2:28] disk IBM 2107900 1.32 -
[3:0:2:29] disk IBM 2107900 1.32 -
[3:0:2:30] disk IBM 2107900 1.32 -
-----------------------------------------------------------
[4:0:2:27] disk IBM 2107900 1.32 -
[4:0:2:28] disk IBM 2107900 1.32 -
[4:0:2:29] disk IBM 2107900 1.32 -
[4:0:2:30] disk IBM 2107900 1.32 -
dmesg error
Code:
SCSI device sdcz: 285212672 512-byte hdwr sectors (146029 MB)
sdcz: Write Protect is off
sdcz: Mode Sense: ed 00 00 08
SCSI device sdcz: drive cache: write back
sdcz: detected capacity change from 0 to 146028888064
SCSI device sdda: 285212672 512-byte hdwr sectors (146029 MB)
sdda: Write Protect is off
sdda: Mode Sense: ed 00 00 08
SCSI device sdda: drive cache: write back
sdda: detected capacity change from 0 to 146028888064
SCSI device sddb: 285212672 512-byte hdwr sectors (146029 MB)
sddb: Write Protect is off
sddb: Mode Sense: ed 00 00 08
SCSI device sddb: drive cache: write back
sddb: detected capacity change from 0 to 146028888064
SCSI device sddc: 285212672 512-byte hdwr sectors (146029 MB)
sddc: Write Protect is off
sddc: Mode Sense: ed 00 00 08
SCSI device sddc: drive cache: write back
sddc: detected capacity change from 0 to 146028888064
SCSI device sddd: 285212672 512-byte hdwr sectors (146029 MB)
sddd: Write Protect is off
sddd: Mode Sense: ed 00 00 08
SCSI device sddd: drive cache: write back
sddd: detected capacity change from 0 to 146028888064
SCSI device sdde: 285212672 512-byte hdwr sectors (146029 MB)
sdde: Write Protect is off
sdde: Mode Sense: ed 00 00 08
SCSI device sdde: drive cache: write back
sdde: detected capacity change from 0 to 146028888064
SCSI device sddf: 285212672 512-byte hdwr sectors (146029 MB)
sddf: Write Protect is off
sddf: Mode Sense: ed 00 00 08
SCSI device sddf: drive cache: write back
sddf: detected capacity change from 0 to 146028888064
SCSI device sddg: 285212672 512-byte hdwr sectors (146029 MB)
sddg: Write Protect is off
sddg: Mode Sense: ed 00 00 08
SCSI device sddg: drive cache: write back
sddg: detected capacity change from 0 to 146028888064
Hi, This is my first post and I hope I can present my questions the right way. I am going to be asked to create logical volumes for a Hitachi SAN device on a New HP 11 server. Currently, They are running their data on a EMC (prod server). They are looking to convert the data and filesystems over to... (3 Replies)
Hi All,
I have these config on my old ssa.
Vg4 22GB (pps 256)
Vg2 88GB (pps 128)
Vg3 22GB (pps 256)
Vg8 88GB (pps 128)
Vg13 106GB (pps 32)
Vg12 106GB (pps 32)
Vg10 54GB (pps 64)
Vg11 54GB (pps 64)
When I create a lun on my san do I need to specify the same pps. If yes,... (1 Reply)
Hi team,
2E493F13 0612155010 P H dac0 ARRAY OPERATION ERROR
2E493F13 0612155010 P H dac0 ARRAY OPERATION ERROR
2E493F13 0612155010 P H dac0 ARRAY OPERATION ERROR
2E493F13 0612154910 P H dac0 ARRAY OPERATION ERROR
2E493F13 0612154910 P H dac0 ... (4 Replies)
Hi guys I have been asked for the following:
SMI Oracle database PTP10 Oracle 10g RAC on usdfslprac4 and usdfslprac5 Linux boxes is reaching its space limit. It is just 20 GB away from being completely out of disk space. And then database will stop working and SMI system hence will be impacted.... (0 Replies)
In Solaris the administrator has to update /kernel/drv/sd.conf file to tell the sd driver to scan for a broader range of scsi devices.
Can someone please tell me what file needs to be update in Redhat Linux 5 for the same.
Second part of the question is WWN for HBA's can be found (atleast in my... (1 Reply)
Hi all
i am adding one more scsi hdd in my vmware testing environment with Redhat 9 .
But the following commands are not working i found that these commands working on rhel 6.
ls /sys/class/scsi_host
echo "- - -" > /sys/class/scsi_host/host0/scan
please let me know the commands for rehat... (0 Replies)
Hi All,
is there a way of rescanning for newly attached SCSI without rebooting the server?
any help greatly appreciated
thanks in advance
Kb (4 Replies)