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50 lines
1.9 KiB
Plaintext
50 lines
1.9 KiB
Plaintext
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Udev does not come pre-installed on a Linux system. Hence, we need to do the following before
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a Linux system is ready ::
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Steps:
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~~~~~
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1. Install libsysfs shared libraries by installing sysfsutils-0.4.0.
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2. Download latest version of udev from www.kernel.org site. It is
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under repository->utils->kernel path chain.
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Do make and make install so as to install udev. To install scsi_id,
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go into extras/scsi_id folder to compile scsi_id. Typically, this
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would be in /sbin folder. Now, change scsi_id.cfg and set the
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global option to work with all devices ( -g) and comment out the
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black list option ( -b ).
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3. Download chassis_id callout code and compile. Install chassis_id and
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provision.tbl file in /usr/local/bin.
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4. In /etc/rc.sysinit, add mount command to mount the sys memory file
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system. ( mount -t sysfs sys /sys ). The /sys is necessary as
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lot of the software components expect it to be in /sys.
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5. Now, in /etc/udev/udev.rules, install the udev rules file. This
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is the GDN config file which is used by udev to create folders
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in the form chasis<N>/slot<M>/port<O>/disk<P>.
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6. Now, you are almost there. Refer to PROVISIONING file.
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PROVISIONING:
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1. For GDN, the provisioning file is in the format :
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<id> <host> <number_of_disks> <chassis#> <slot#> <serial#> <name>
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<host> SCSI host on which the device is connected
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<Number of disks> how many disks on this blade ?
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<chassis#> chassis Number
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<slot#> Physical slot number
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<serial#> Serial Number for the disk
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<name> Name of the disk device.
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2. To fill the provisioning table, the user needs to collect this information and
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fill provision.tbl.
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The serial number is found from the command scsi_id -p 0x80 -s <device name>.
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The host number is availble from the sys file system. The chassis & slot
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are visual data and should be enetered into provision.tbl.
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