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AMCC 720-0104-00 Manual 

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AMCC 720-0104-00 User Manual
AMCC 720-0104-00 User Guide
AMCC 720-0104-00 Online Manual

Text of AMCC 720-0104-00 User Guide:

  • AMCC 720-0104-00, CLI Reference 24 3ware 9000 Series Serial ATA Controller CLI Guide info cid stagger This command shows the delay between drive groups that spin up at one time on this controller Example: 3ware CLI> info c0 stagger /c0 Spinup Stagger Time Policy (sec) = 2 info cid uid This command presents detailed information on the specified unit. If the unit consists of sub-units as is the case in RAID 1, RAID 5, RAID 10, and RAID 50 arrays (applicable for 9000 controllers), then details about each sub-unit are also presented. One application of this command is to see which sub-unit of a degraded unit has caused the unit to degrade and which disk within

  • AMCC 720-0104-00, www.3ware.com 15 CLI Reference This chapter provides detailed information about the 3ware CLI commands Info, Maint, Sched, Alarms, Set, and Help. Note: All information contained in this document that describes usage for the 3ware 9000 series products should not be used with 3ware 7000 or 8000 series controllers. Info. Information commands provide all information and settings about the 3ware controllers, including array types, array status, array settings, detail controller information, and detail drive information. For details, see “Info Commands�

  • Sched Commands www.3ware.com 39 sched verify cid remove slot_id This command removes (or unregisters) the verify background task in slot slot_id. For example: 3ware CLI> tw_cli sched verify c1 remove 3 Removes the verify background task in slot 3. Warning: If all timeslots are removed, be sure to also disable the schedule. Otherwise the applicable backgroun

  • AMCC 720-0104-00, CLI Reference 26 3ware 9000 Series Serial ATA Controller CLI Guide info cid pid status This command presents the status of the specified port. Example: 3ware CLI> info c0 p5 status /c0/p5 Status = OK info cid pid model This command presents the model of the specified port. Example: 3ware CLI> info c0 p5 model /c0/p5 Model = WDC WD1600BB-00DAA0 info cid pid serial This command presents the serial number of the specified port. Example: 3ware CLI> info c0 p5 serial /c0/p5 Serial = WD-WMACK1406498 info cid pid capacity This command presents the capacity, both in human readable form (such as GB) and block count of the specified port. Note that capacity is computed base

  • AMCC 720-0104-00, CLI Reference 44 3ware 9000 Series Serial ATA Controller CLI Guide set cache cid uid on|off This command allows you to turn on or off the write cache on a specified unit. This feature is supported on both 7000/8000 and 9000 models. The following table shows the supported RAID types for caching as a function of controller model and logical unit type. N/A (Not Applicable) refers to cases where the given logical unit type is not supported on a particular controller model. set autoverify cid uid on|off This command allows you to turn on or off the verify operation on a specified unit during times specified by sched verify c

  • AMCC 720-0104-00, Understanding RAID Concepts and Levels www.3ware.com 9 RAID 0 Provides striping, but no mirroring. Striped disk arrays achieve high transfer rates because they can read and write data on more than one drive simultaneously. The stripe size is configurable in the 3ware CLI, 3ware BIOS Manager (3BM) and in the 3ware Disk Manager (3DM 2). Requires a minimum of two drives. When drives are configured in a striped disk array (see Figure 1), large files are distributed across the multiple disks using RAID 0 techniques. Striped disk arrays give exceptional performance, particularly for data intensive applications such as video editing, compu

  • AMCC 720-0104-00, CLI Reference 32 3ware 9000 Series Serial ATA Controller CLI Guide gdsk_grp indicates the number of disks per group for a RAID 50 type. A RAID 50 is a multi-tier array. At the most bottom layer, N number of disks per group are used to form the RAID 5 layer. These RAID 5 arrays are then integrated into a RAID 0. This option allows you to specify the number of disks in the RAID 5 level. Valid values are 3, 4, 5 and 6. Note that a sufficient number of disks are required for a given pattern or disk group. For example, given 6 disks, specifying 3 creates two RAID 5 arrays. However given 12 disks, specifying

  • AMCC 720-0104-00, Maint Commands www.3ware.com 35 Note that block devices (cooked devices) do not require this command. Clients of block devices (such as File system) send such requests via ASPI SRB_SHUTDOWN_REQUEST.

  • AMCC 720-0104-00, Installing the 3ware CLI www.3ware.com 5 Installing 3ware CLI on Windows 3ware CLI can be run from the 3ware CD, or copied to your computer from the 3ware software CD-ROM. You can also download the CLI from the 3ware web site, www.3ware.com. To install 3ware CLI on Windows, copy the file tw_cli.exe to the directory from which you want to run the program. CLI is located on the 3ware CD in the directory \packages\cli\windows Note: CLI comes in both 32-bit and 64-bit versions. Be sure to copy the correct version. CLI can

  • AMCC 720-0104-00, CLI Reference 22 3ware 9000 Series Serial ATA Controller CLI Guide info cid numdrives This command reports the number of drives currently managed by the specified controller cid. This report does not include units that have been removed (placed off-line) with the maint remove command. Also note that a physically removed disk is not detected unless I/O is performed against the disk. See “info cid pid smart” on page 26 for a workaround. Example: 3ware CLI> info c0 numdrives /c0 Number of Drives = 5 info cid unitstatus This command presents

  • Introduction to the 3ware Command Line Interface 12 3ware 9000 Series Serial ATA Controller CLI Guide Review the information under “Understanding RAID Concepts and Levels” on page 7 to determine the type of RAID configuration most appropriate for your needs and use the tables below to determine what RAID levels are available, based on your particular controller model and the nu

  • AMCC 720-0104-00, About This Guide 2 3ware 9000 Series Serial ATA Controller CLI Guide Conventions The following conventions are used through this guide: ■ 3BM refers to the 3ware BIOS Manager ■ 3DM refers to the 3ware Disk Manager, version 2. ■ Monospace font is used for code and for things you type. ■ In commands, an italic font indicates items that you must specify, such as a controller ID, or a unit ID. ■ In commands, brackets around an item indicates that it is optional. ■ In commands, ellipses (. . .) indicate that more than one parameter can be inc

  • AMCC 720-0104-00, Introduction to the 3ware Command Line Interface 10 3ware 9000 Series Serial ATA Controller CLI Guide Figure 2. RAID 1 Configuration Example RAID 5 Combines striping data with parity (exclusive OR) to restore data in case of a drive failure. This array type provides performance, fault tolerance, high capacity, and storage efficiency. Requires a minimum of three drives. Parity information is distributed across all drives rather than being concentrated on a single disk (see Figure 3). This avoids throughput loss due to contention for the parity drive. Figure 3. RAID 5 Configuration Example RAID 10 This array is a combination of RAID 1 with RAID 0. Striped and

  • AMCC 720-0104-00, Understanding RAID Concepts and Levels www.3ware.com 7 Example tw_cli info c0 u0 This example gets information for unit0 of controller0. For complete information about the info commands, see “Info Commands” on page 18. Using an input file to execute a script You can operate 3ware CLI scripts by executing a file. The file is a text file containing a list of CLI commands which you have entered in advance. Each command must be on a separate line. Syntax tw_cli -f <filename> Where <filename> is the name of the text file you want to execute. Example tw_cli -f clicommand.txt This example executes the file clicommand.txt,

  • Maint Commands www.3ware.com 31 [maint] createunit cid rRAIDType pid_list [kStripe] [noscan] [Dsk_Grp] [nocache] [autoverify] [ignoreECC] This command allows you to create a unit on the specified controller cid, of type rRAIDType, optional stripe size of kStripe, using one or many disks specified by pid_list. By default the host operating system is informed of the new block device and

  • AMCC 720-0104-00, CLI Reference 40 3ware 9000 Series Serial ATA Controller CLI Guide sched selftest cid add day hour This command adds a new background selftest task to be executed on day (range 0 .. 6, where Sunday is zeroth day of the week), at hour (range 0 .. 23). Notice that selftest runs to completion and as such no duration is provided. This command fails if no (empty) slot is available. For example: $ tw_cli sched selftest c1 add d0 h16 Adds a selftest background task to be executed on Sundays at 4:00 PM. Note: The new schedule is added to the first available slot. Events do not need to be added in sequential order. Also the selftests are completed

  • AMCC 720-0104-00, Info Commands www.3ware.com 21 info cid serial This command reports the serial number of the specified controller cid. Example: 3ware CLI> info c0 serial /c0 Serial Number = F12705A3240009 info cid pcb This command reports the PCB (printed circuit board) revision of the specified controller cid. Example: 3ware CLI> info c0 pcb /c0 PCB Version = Rev3 info cid pchip This command reports the PCHIP (PCI Interface Chip) version of the specified controller cid. Example: 3ware CLI> info c0 pchip /c0 PCHIP Version = 1.30-33 info cid achip This command reports the ACHIP (ATA In

  • Info Commands www.3ware.com 23 info cid drivestatus This command presents a list of port assignments, status, unit affiliation, size in GB, the number of blocks of 512 bytes, and the disk’s serial number. Example: 3ware CLI> info c0 drivestatus Port Status Unit Size Blocks Serial -------------------------------------------------------------- p0 OK u0 149.05 GB 312581808 3JS0TF14

  • AMCC 720-0104-00, CLI Reference 18 3ware 9000 Series Serial ATA Controller CLI Guide Info Commands The info commands provide information about the 3ware controller, the attached drives, and configured RAID arrays or units. The info commands are for querying purposes only. Info commands are read-only operations showing various values of controllers, units, and drives. Syntax info info c<c> [driver|model|firmware|bios|monitor|serial|pcb|pchip|achip numports|numunits|numdrives|unitstatus|drivestatus|allunitstatus exportjbod|ondegrade|spinup|stagger] info c<c> u<u> [status|rebuildstatus|verifystatus|initializestatus] info c<c> p<p> [status|model|seri

  • AMCC 720-0104-00, Sched Commands www.3ware.com 37 sched rebuild cid This command displays the current rebuild background tasks as illustrated below. 3ware CLI> tw_cli sched rebuild c1 Rebuild Schedule for controller /c1 ======================================================== Slot Day Hour Duration Status -------------------------------------------------------- 0 Mon 2:00pm 10 hr(s) disabled 1 Thu 7:00pm 18 hr(s) disabled 2 - - - - 3 - - -

  • AMCC 720-0104-00, CLI Reference 34 3ware 9000 Series Serial ATA Controller CLI Guide [maint] flush cid [uid ...] This command allows you to flush the write cache on the specified unit or all units associated with controller cid. This command does not apply to Spare unit types. [maint] verify cid uid [stop] This command starts or stops a background verification process on the specified unit. To start, omit “stop”. The following table shows the supported RAID types for verification as a function of controller model and logical unit type. N/A (Not Applicable) refers to cases where the given logical unit type

  • AMCC 720-0104-00, Screen Reporting Style www.3ware.com 17 For example, in the maint command to rescan all ports and reconstitute all units, the syntax appears as maint rescan [cid ...] [noscan]. The italic cid indicates that you need to supply a controller ID. The ellipses indicate that you can specify more than one controller ID, separated by spaces. The brackets indicate that you may omit the controller ID, to rescan all controllers, and the noscan parameter, so that the operation will be reported to the operating system. Screen Reporting Style Beginning with

  • AMCC 720-0104-00, www.3ware.com 3 Introduction to the 3ware Command Line Interface The 3ware SATA RAID Controller Command Line Interface (CLI) for Linux, Windows, and FreeBSD is provided to manage 7000, 8000, and 9000-series 3ware ATA and Serial ATA RAID controllers. Multiple 3ware controllers can be managed using the CLI via a command line or script. CLI is useful in environments where a graphical user interface (GUI) is not available. Note: All information contained in this document that describes usage for the 3ware 9000 series products should not be used with 3ware

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