Add example setup, open-iscsi, libiscsi test scripts

2017-10-04 17:56:56 +08:00
parent b1a5b5344c
commit 58d5eb9810
8 changed files with 367 additions and 1 deletions
@@ -0,0 +1,107 @@
+#!/bin/sh
+# Run open-iscsi test cases
+
+# Assuming open-iscsi package and binaries are installed properly, and 
+# the gotgt daemon is running
+
+LOCALHOST=127.0.0.1
+
+# track test environment
+date
+uname -a
+df -hT
+sudo lsblk -l
+
+echo "==== iscsi initiator test"
+
+# some simple iscsi initiator tests
+sudo iscsiadm -m discovery -t sendtargets -p ${LOCALHOST}
+echo
+sudo iscsiadm -m node -L all
+echo
+sudo iscsiadm -m session
+echo "==== end of iscsi initiator test"
+
+# Assuming /dev/sdb is the disk presented at the iSCSI backend
+# You don't want to mess up with your true /dev/sdb in the system if there is
+#  one already. You need to modify this script and other test scripts as needed.
+# Let's confirm that, and error out if necessary. 
+
+# Might need to add clean-up scripts to unmount over /var/tmp/test
+# sudo umount /var/tmp/test
+mount | grep sdb1
+mount | grep "var/tmp/test"
+if [ $? -eq 0 ]
+then
+	sudo umount /var/tmp/test
+fi
+
+sudo fdisk -l
+echo "====Examine disk /dev/sdb to be be sure ..."
+sudo fdisk -l | grep "Disk /dev/sdb: 100 MiB" 
+if [ $? -ne 0 ]
+then
+	echo "Warning: /dev/sdb: 100 MiB not found!"
+	echo "Revise your test script as required."
+	exit 1
+fi
+echo "Continue...."
+
+echo "=== Create a partition, mkfs, mount and do some I/O"
+
+## Mount and prepare a test directory for open-iscsi testing
+##
+## n: add a new partition
+## p: primary partition
+## 1: partition number
+## \n: use default (2048) for the first sector
+## \n: use default (20479) for the last sector
+###   This will create a new partition 1 of type 'Linux' and of size 9 MiB.
+## t: change partition type
+## c: change to W95 FAT32 (LBA)
+## a: Enable the bootable flag for partition 1
+## 1: (unknown command ????? XXX)
+## w: write the table to disk and exit
+
+# write a partition table
+
+# In order for the following to work,
+# Delete existing /dev/sdb1 partition if found
+sudo lsblk -l | grep sdb1 
+if [ $? -eq 0 ]
+then
+	/bin/echo -e "p\nd\nw" | sudo fdisk /dev/sdb
+fi
+
+/bin/echo -e "n\np\n1\n\n\nt\nc\na\n1\nw" | sudo fdisk /dev/sdb
+
+# it might prompt for confirmation if previous file system is detected
+sudo mkfs.ext3 /dev/sdb1
+
+sudo mkdir -p /var/tmp/test
+sudo mount /dev/sdb1 /var/tmp/test
+
+mount | grep sdb1
+sudo ls -lh /var/tmp/test/
+
+##
+## TO-DO we can do more open-iscsi testing just with this.
+##
+#
+sudo chmod 777 /var/tmp/test
+# should measure performance with large count below on a huge file system
+time sudo dd if=/dev/mem of=/var/tmp/test/mem-file bs=4096 count=100
+cp /var/tmp/test/mem-file /var/tmp/test/mem-file-2
+md5sum /var/tmp/test/mem-file
+md5sum /var/tmp/test/mem-file-2
+
+### umount and remount the file system
+sudo umount /var/tmp/test
+sudo mount /dev/sdb1 /var/tmp/test
+md5sum /var/tmp/test/mem-file
+md5sum /var/tmp/test/mem-file-2
+
+# umount and some clean-up 
+sudo umount /var/tmp/test
+
+exit 0