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July 21, 2000
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Note The most current Cisco documentation for released products is available on Cisco Connection Online (CCO) at http://www.cisco.com. The online documents may contain updates and modifications made after the hardcopy documents were printed. |
These release notes describe the following topics:
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Note Cisco recommends that you install the most recent software version available for your model of the Cache Engine. |
To determine the version of the software currently running on the Cisco Cache Engine, log on to the Cache Engine and enter the show version EXEC command.
Cache Engine software can be downloaded from the Cisco Systems Software Center at the
following URL:
http://www.cisco.com/cgi-bin/tablebuild.pl/cache-engine
Presently, two types of Cache Engine software files are available on CCO to download, files with the .pax suffix and files with the .bin suffix. The .pax file contains the full-image software with the GUI and is the file routinely installed. The .bin file software is for recovery situations that require booting from the network, or restoring Flash memory. Refer to the section "Recovering the Cache Engine System Software" in the Cisco Cache Engine User Guide, Version 2.1.0 for instructions on loading your system image with the .bin file.
Step 1 Use an FTP client to transfer the .pax file to the /local directory of your Cache Engine.
Step 2 Log on to the Cache Engine, and at the command prompt, enter:
install filename.pax
where filename is the name of the .pax file
Step 3 Follow the command line interface instructions as prompted.
Enter y at the "Copy new image to flash memory?[yes]:" prompt.
Step 4 After the Cache Engine has rebooted, use the show version command to display the current
software version.
The Storage Array hard disks are shipped without formatting or partitions. You must enter the disk manufacture EXEC command for each newly installed hard disk. Use the disk, cfs, and dosfs EXEC commands for subsequent maintenance of the disks.
Perform the following procedure when installing a new hard disk for the Cisco Storage Array:
Step 1 Make sure the disk drives are properly inserted into the Storage Array slots, and that the SCSI cable connectors on the Cache Engine and Storage Array are tightened.
Step 2 Power up the Storage Array, and then power up the Cache Engine.
Step 3 Make a note of the target numbers of any new disk drive that did not mount. The target number is the value of the "t" parameter in the disk volume name.
Determine the target numbers of the unmounted disks with one of the following methods:
CacheEngine# show cfs volumes
/c0t0d0s3: mounted
/c0t1d0s3: mounted
/c0t2d0s3: not mounted
/c0t3d0s3: not mounted
/c0t4d0s3: not mounted
/c0t5d0s3: not mounted
/c0t6d0s3: not mounted
/c0t7d0s3: not mounted
Thu Dec 31 16:06:50 1987: CFS volume /c0t2d0s3 mount failed S_cfslib_NOT_CFS_PARTITION
Thu Dec 31 16:06:50 1987: CFS volume /c0t3d0s3 mount failed S_cfslib_NOT_CFS_PARTITION
Thu Dec 31 16:06:50 1987: CFS volume /c0t4d0s3 mount failed S_cfslib_NOT_CFS_PARTITION
Thu Dec 31 16:06:50 1987: CFS volume /c0t5d0s3 mount failed S_cfslib_NOT_CFS_PARTITION
Thu Dec 31 16:06:50 1987: CFS volume /c0t6d0s3 mount failed S_cfslib_NOT_CFS_PARTITION
Thu Dec 31 16:06:50 1987: CFS volume /c0t7d0s3 mount failed S_cfslib_NOT_CFS_PARTITION
Step 4 Enter the disk manufacture command for each new hard disk to be installed.
In the following example, the disks with target numbers 2 and 3 are partitioned, formatted, and mounted with the disk manufacture EXEC command.
CacheEngine# disk manufacture /c0t2d0
total size of disk = 35843670
CISCO_UVFAT_1 vol /c0t2d0s1 part_off 0 part_siz 0
Skipping creation of DOS partition for SCSI device
CISCO_BFS_1 vol /c0t2d0s2 part_off 10 part_siz 1024
CISCO_CFS_1 vol /c0t2d0s3 part_off 1044 part_siz 35842616
CacheEngine# disk manufacture /c0t3d0
total size of disk = 35843670
CISCO_UVFAT_1 vol /c0t3d0s1 part_off 0 part_siz 0
Skipping creation of DOS partition for SCSI device
CISCO_BFS_1 vol /c0t3d0s2 part_off 10 part_siz 1024
CISCO_CFS_1 vol /c0t3d0s3 part_off 1044 part_siz 35842616
Step 5 Enter the show cfs volumes command to verify that the disks are mounted.
CacheEngine# show cfs volumes
/c0t0d0s3: mounted
/c0t1d0s3: mounted
/c0t2d0s3: mounted
/c0t3d0s3: mounted
Use the disk manufacture command to partition, format, and mount new disk drives in the Cisco Storage Array.
disk manufacture device_name
device_name | Specify the device name of the disk drive with the following syntax: /cn1tn2dn3
The device name is the same as the volume name, but the device name does not include a partition parameter (the "s" number). |
Target numbers are not statically mapped to a SCSI ID or a slot number. Upon bootup, the Cache Engine SCSI driver always scans the SCSI bus in the same direction and assigns logical target numbers to disks in simple numerical sequence according to their order on the SCSI bus. The first disk drive discovered on the SCSI bus is designated target 0; the second target 1; the third target 2; and so on. Targets 0 and 1 are the Cache Engine internal disk drives.
Targets 2 through 13 are assigned to Storage Array disk drives. The leftmost hard disk inserted in a Storage Array bus is always target 2. Counting to the right, the next disk is target 3, the next disk is target 4, and so on. There can be empty slots between targets on the same bus, but this is not recommended. In a two-host, split-bus configuration, each bus is counted independently.
For example, in a split-bus, six-disk, fully populated Storage Array, bus 0 disk drive targets are 2, 3, 4, and bus 1 disk drive targets are 2, 3, 4. If the first disk on bus 1 is removed (slot 5 is empty) and the Cache Engine rebooted, bus 0 targets are still 2, 3, 4, but bus 1 targets are 2 and 3. The empty disk slot is skipped, and the target count begins with the first detected disk on bus 1.
Once a disk drive has been partitioned and formatted, it can be used in any Storage Array slot, but moving a disk drive from one slot to another makes the data it contains unusable to the Cache Engine. Power cycle the Cache Engine if the following actions occur while the Storage Array is in operation:
In the following example, cache1 and cache2 are Cache Engine 570 machines running software release 2.1.3. Refer to the Cisco Storage Array Installation and Configuration Guide for further information on configuring the Storage Array.
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Note The larger the storage capacity of the disk drive, the longer the duration of the disk manufacture routine. |
In this example, six Storage Array disk drives are initialized in a single-host, joined-bus Storage Array configuration.
cache1# disk manufacture /c0t2d0
cache1# disk manufacture /c0t3d0
cache1# disk manufacture /c0t4d0
cache1# disk manufacture /c0t5d0
cache1# disk manufacture /c0t6d0
cache1# disk manufacture /c0t7d0
In the following example, cache1 is connected to the SCSI 0 connector of the Storage Array and cache2 is connected to the SCSI 1 connector.
The disks of a fully populated six-disk Storage Array are initialized in a two-host, split-bus configuration.
cache1# disk manufacture /c0t2d0
cache1# disk manufacture /c0t3d0
cache1# disk manufacture /c0t4d0
cache2# disk manufacture /c0t2d0
cache2# disk manufacture /c0t3d0
cache2# disk manufacture /c0t4d0
show disks
show disk-partitions
cfs
disk
dosfs
Cisco Cache Engine software version 2.1.3 can operate only with the Cisco Cache Engine 570. The 2.1.3 image improves SCSI bus performance.
To date, the Cisco Storage Array can operate to specification only with the Cisco Cache Engine 570 running software version 2.1.3 or a more recent version.
An attempt to load the 2.1.3 image on other models of the Cache Engine does not crash the Cache Engine. The image does not copy to Flash memory, and the Cache Engine continues to boot and operate from the resident image.
console(config)# no wccp web-cache
console(config)# wccp web-cache router-list 1
Cisco Cache Engine User Guide, Version 2.1.0
Release Notes for Cisco Cache Engine 500 Series, Software Version 2.1.0
Cisco Storage Array Installation and Configuration Guide
Cisco Storage Array Release Notes
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English | tac@cisco.com |
Hanzi (Chinese) | chinese-tac@cisco.com |
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Spanish | tac@cisco.com |
Thai | thai-tac@cisco.com |
In North America, TAC can be reached at 800 553-2447 or 408 526-7209. For other telephone numbers and TAC e-mail addresses worldwide, consult the following web site: http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml.
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