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Question posted by Anonymous-165232 on January 17th, 2019

What Is The Risk & Production Data Loss

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Request from hzplj9 on January 17th, 2019 1:15 PM
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Answer #1: Posted by BusterDoogen on January 17th, 2019 2:24 PM

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RAID 6 is the highest level of RAID protection. It allocates two sets of parity data across drives and allows simultaneous write operations. It can withstand two simultaneous drive failures without downtime or data loss.

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Related HP MSA2312i Manual Pages

HP StorageWorks 2000 G2 Modular Smart Array reference guide (500911-002, May 2009) - Page 19

...risk of data read in advance after two back-to the disks before posting command completion and mirroring is the safer strategy, with disabling the write-back cache. You can optimize a volume for all accesses. You can change the amount of data loss...triggered by super-capacitor technology, if the system loses power, data is enabled. About volume cache options You can set conditions that...

HP StorageWorks 2000 G2 Modular Smart Array reference guide (500911-002, May 2009) - Page 22

...contention and the potential performance impact on production volumes is a completely independent copy of the master volume, representing the data that is to each other when accessing the same data blocks. The snapshot remains, though you...exists with one or more snapshots associated with each set of production data. Snapshots can be modified. 2. Benefits include: • Additional...

HP StorageWorks 2000 G2 Modular Smart Array reference guide (500911-002, May 2009) - Page 25

...session. ASCII characters are 3 bytes. You can provide local time rather than UT, configure the storage devices to use Network Time Protocol (NTP) to use that entries in system logs and event-notification...is provided in Universal Time (UT), which are 2 bytes; In SMU, the base for a storage device, set the date and time so that time server, with diacritics are displayed in base 2. ...

HP StorageWorks 2000 G2 Modular Smart Array reference guide (500911-002, May 2009) - Page 27

...; If the controller fails while in some considerations concerning data protection. A volume's default caching mode is held in a single-controller storage system A 2000 G2 Modular Smart Array storage system can result in data loss or in write-back mode, unwritten cache data likely exists. This enables the cache data to disk without a proper shut down , the controller...

HP StorageWorks 2000 G2 Modular Smart Array reference guide (500911-002, May 2009) - Page 85

...storage system's SNMP service is enabled; Copyright (c) 2008 Hewlett-Packard Development Company, L.P. -- Confidential computer software. Software, Computer Software Documentation, and Technical Data...B) Configuring SNMP event notification in the storage system; see Changing management interface settings on page 34. SNMP management You can manage storage devices using SNMP with FAR 12.211 and ...

HP StorageWorks 2000 G2 Modular Smart Array reference guide (500911-002, May 2009) - Page 98

...shut down and restart both (partner controller) side, and the number of : technical support. critical • Data parity mismatches for RAID 3, 5, 6, and 50 • Mirror verify errors for RAID 1 and 10 &#...cleared, causing write-back cache to be at risk. If a rescan does not resolve the (local controller) side and on the native rescan. device PHYs. This event is logged to inform the...

HP StorageWorks 2000 G2 Modular Smart Array reference guide (500911-002, May 2009) - Page 103

...to shut down . HP StorageWorks 2000 G2 Modular Smart Array Reference Guide 103 Check that the storage system's fans are inserted at the same time, or booted at the same time, one controller... is nonzero. Check for a feature is incompatible with the enclosure. This event is expected and prevents data loss. If the system is unable to write it to the SEEPROM the last time it changed from 4...

HP StorageWorks 2000 G2 Modular Smart Array reference guide (500911-002, May 2009) - Page 114

... A "virtual" volume that preserves the state of a master volume's data as a storage device to disk and is determined by its associated snap pool. A snapshot can... disks that a vdisk can be brought online. A globally unique 64-bit number that identifies a node process. Data associated with a volume that no longer exists or whose disks are not online. Supported SSDs have a SATA interface...

HP StorageWorks MSA2000 G2 SMI-S Proxy Provider User Guide (573100-002, December 2009) - Page 1

Part number: 573100-002 Second edition: December 2009 HP StorageWorks MSA2000 G2 SMI-S Proxy Provider User Guide This document provides information for network administrators who are managing MSA2000 G2 product from a storage management application through SMI-S, including use of the MSA2000 Proxy Settings Manager (PSM).

HP StorageWorks MSA2000 G2 SMI-S Proxy Provider User Guide (573100-002, December 2009) - Page 15

... management tasks of the following ports: 49152, 49153, 49154, 49155. The MSA storage device must be added to support non-SSL connections). A single session of the PSM ... desktop. • Execute msapsm.exe from the installation folder. The tool executes as part of the following device management options: • Add a System • Remove a System • Discover Systems • View...

HP StorageWorks MSA2000 G2 SMI-S Proxy Provider User Guide (573100-002, December 2009) - Page 31

... printer products. The CMS and the managed systems together are called the HP SIM Management Domain. HP SIM uses WBEM SMI-S providers to discover and collect data from storage systems. MSA2000 G2 SMI-S Proxy Provider User Guide 31 Figure 16 HP SIM topology . HP SIM storage integration HP SIM discovers SNMP and SMI-S storage devices. HP...

HP StorageWorks MSA2000 G2 SMI-S Proxy Provider User Guide (573100-002, December 2009) - Page 32

...Tape libraries are connected to a SAN. If HP Storage Essentials is installed, no data appears in the HP SIM storage system reports. • Existing storage system reports • Storage Device Capacity-All Storage Arrays - lists LUN information and status for all LUNs on a storage host. • Storage Logical Units-All Storage Arrays - lists the name, firmware version, and status...

HP StorageWorks 2300 Family Modular Smart Array CLI reference guide (500912-002, July 2010) - Page 84

... application uses either large or small stripe sizes: • Video playback, multimedia post-production audio and video editing, and similar applications read and write large files in sequential order... environment because it . You can increase storage device speed during sequential reads. • Write-back caching does not wait for data to -back reads are consistent with low or no ...

HP StorageWorks 2300 Family Modular Smart Array CLI reference guide (500912-002, July 2010) - Page 108

...pool policy is triggered. • Critical indicates that the snap pool is nearly full and that data loss is generated to set the threshold for snap pool SP1: # set snap-pool-threshold warning ...Error indicates that the snap pool is getting full and unless corrective action is taken, snapshot data loss is triggered. This value must be less than the error threshold value. Example Set the ...

HP StorageWorks 2300 Family Modular Smart Array CLI reference guide (500912-002, July 2010) - Page 190

... longer exists or whose disks are not online. Unwritable cache is needed it will differ between the host and disk. The number of a master volume's data as a storage device to access mapped volumes through any controller host port. A globally unique 64-bit number that identifies a node port. 190...

HP MSA2000/P2000 Drive Module Replacement Instructions - Page 1

...and be replaced without risking data loss. ◦ If multiple...; User manual for your MSA product model: http://www.hp.com/...devices that permits removing one being replaced. HP MSA2000/P2000 nl Drive Module nl Replacement Instructions Abstract This document details procedures for the enclosure to install the replacement module. Removing a module from an enclosure might cause data loss...

HP MSA2000/P2000 Drive Module Replacement Instructions - Page 2

... after replacing a drive, determine its status: • Check operating system event logs, product-specific logs, and management utilities for drive health and location information. • Check enclosure status LEDs. • Check drive LEDs, as described in system overheating and data loss. 1. UID / Fault 2. Removing the failed drive CAUTION: When replacing multiple drives, remove...

HP StorageWorks 2000i G2 Modular Smart Array user guide (481598-005, March 2013) - Page 27

... to discover "HP StorageWorks MSA2300i" storage devices on each controller module. NOTE: Changing IP settings...storage system. 1. Look in the DHCP server's pool of leased addresses for two IP addresses assigned to identify the device through SNMP. Network ports on your system, then install the program: a. Obtaining IP values NOTE: For help with configuring your MSA2000 G2 product...

HP StorageWorks 2000i G2 Modular Smart Array user guide (481598-005, March 2013) - Page 42

To do not need to show current data. A topic remains displayed until you are maintained as for U.S. If NTP is enabled, but ... the communication status icon, a timer shows how long your session can provide local time rather than UT, configure the storage devices to continue using SMU, see the Getting Started topic in the System Status panel. Enter the year using the help window...

HP StorageWorks 2000i G2 Modular Smart Array user guide (481598-005, March 2013) - Page 49

... The drive is offline. • The drive is blinking. Online/Activity LED is not configured. device. • Isolate the fault. • Contact an authorized service provider for assistance. • See... switch, if any, is rebuilding. Removing a drive might terminate the current operation and cause data loss. Yes, and the The drive is active, but the The drive is operating properly. Is...